chore: replace immutable hash with container spec comparison

feat(smm): Add OpenGraph tags

.dockerignore

@@ -4,6 +4,7 @@
 # Allow files and directories.
 !cmd/
 !internal/
+!pkg/
 !scripts/docker/
 !go.*
 

.gitignore

@@ -32,3 +32,6 @@ dist/
 
 # Web
 node_modules/
+
+# VS Code
+.vscode

Makefile

@@ -8,6 +8,10 @@ update-dev:
 		scp uncloudd-linux-amd64 spy@192.168.40.176:~/ && \
 		ssh spy@192.168.40.176 sudo install ./uncloudd-linux-amd64 /usr/local/bin/uncloudd && \
 		rm uncloudd-linux-amd64
+#	GOOS=linux GOARCH=arm64 go build -o uncloudd-linux-arm64 ./cmd/uncloudd && \
+#		scp uncloudd-linux-arm64 ubuntu@152.67.101.197:~/ && \
+#		ssh ubuntu@152.67.101.197 sudo install ./uncloudd-linux-arm64 /usr/local/bin/uncloudd && \
+#		rm uncloudd-linux-arm64
 
 update-restart-dev:
 	GOOS=linux GOARCH=amd64 go build -o uncloudd-linux-amd64 ./cmd/uncloudd && \
@@ -16,12 +20,22 @@ update-restart-dev:
 		scp uncloudd-linux-amd64 spy@192.168.40.176:~/ && \
 		ssh spy@192.168.40.176 "sudo install ./uncloudd-linux-amd64 /usr/local/bin/uncloudd && sudo systemctl restart uncloud" && \
 		rm uncloudd-linux-amd64
+#	GOOS=linux GOARCH=arm64 go build -o uncloudd-linux-arm64 ./cmd/uncloudd && \
+#		scp uncloudd-linux-arm64 ubuntu@152.67.101.197:~/ && \
+#		ssh ubuntu@152.67.101.197 "sudo install ./uncloudd-linux-arm64 /usr/local/bin/uncloudd && sudo systemctl restart uncloud" && \
+#		rm uncloudd-linux-arm64
 
 reset-dev:
 	ssh spy@192.168.40.243 "sudo systemctl stop uncloud && sudo rm -rf /var/lib/uncloud"
 	ssh spy@192.168.40.176 "sudo systemctl stop uncloud && sudo rm -rf /var/lib/uncloud"
 	ssh ubuntu@152.67.101.197 "sudo systemctl stop uncloud && sudo rm -rf /var/lib/uncloud"
 
+demo-reset:
+	rm -fv ~/.config/uncloud/config.toml
+	ssh ubuntu@152.67.101.197 "AUTO_CONFIRM=true sudo -E uncloud-uninstall && docker rmi caddy:2.9.1"
+	ssh root@5.223.45.199 "AUTO_CONFIRM=true sudo -E uncloud-uninstall"
+	ssh spy@192.168.40.243 "AUTO_CONFIRM=true sudo -E uncloud-uninstall"
+
 .PHONY: proto
 proto:
 	protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative \

README.md

@@ -16,6 +16,14 @@ some machines go offline.
 Uncloud aims to be the solution for developers who want the flexibility of self-hosted infrastructure without the
 operational complexity of Kubernetes.
 
+## 🎬 Quick demo
+
+Deploy a highly available web app with automatic HTTPS across multiple regions and on-premises in just a couple minutes.
+
+<a href="https://uncloud.wistia.com/medias/k47uwt9uau?wvideo=k47uwt9uau">
+<img src="https://embed-ssl.wistia.com/deliveries/3cf7014a48b93afc556444bed3e39a8c.jpg?image_crop_resized=900x526&image_play_button_rounded=true&image_play_button_size=2x&image_play_button_color=18181Be0" alt="Uncloud demo" width="450" height="263" />
+</a>
+
 ## ✨ Features
 
 * **Deploy anywhere**: Combine cloud VMs, dedicated servers, and bare metal into a unified computing environment —
@@ -25,7 +33,10 @@ operational complexity of Kubernetes.
 * **No control plane**: Fully decentralized design eliminates single points of failure and reduces operational overhead.
 * **Imperative over declarative**: Favoring imperative operations over state reconciliation simplifies both the mental
   model and troubleshooting.
+* **Zero-downtime deployments**: Rolling updates with health checks and automatic rollback on failure.
 * **Service discovery**: Built-in DNS server resolves service names to container IPs.
+* **Managed DNS**: Automatic DNS records `*.<id>.cluster.uncloud.run` for services with public access via managed
+  [Uncloud DNS](https://github.com/psviderski/uncloud-dns) service.
 * **Automatic HTTPS**: Built-in Caddy reverse proxy handles TLS certificate provisioning and renewal using Let's
   Encrypt.
 * **Docker-like CLI**: Familiar commands for managing both infrastructure and applications.
@@ -33,12 +44,11 @@ operational complexity of Kubernetes.
 
 Coming soon:
 
-* Project isolation through environments/namespaces
 * Infrastructure as Code using Docker Compose format
+* Project isolation through environments/namespaces
 * Persistent volumes and secrets management
 * Monitoring and log aggregation
 * Database deployment and management
-* Curated application catalog
 
 Here is a diagram of an Uncloud multi-provider cluster of 3 machines:
 
@@ -66,36 +76,45 @@ platform, whether you're running on a $5 VPS, a spare Mac mini, or a rack of bar
 
 1. Install Uncloud CLI:
 
-```bash
-brew install psviderski/tap/uncloud
+   ```bash
+   brew install psviderski/tap/uncloud
 
-# or using curl (macOS/Linux)
-curl -fsS https://get.uncloud.run/install.sh | sh
-```
+   # or using curl (macOS/Linux)
+   curl -fsS https://get.uncloud.run/install.sh | sh
+   ```
 
 2. Initialize your first machine:
 
-```bash
-uc machine init root@your-server-ip
-```
+   ```bash
+   uc machine init root@your-server-ip
+   ```
 
-3. Create a DNS A record in your DNS provider (Cloudflare, Namecheap, etc.) that points `app.example.com` to your
+3. Deploy your app from a Docker image and publish its container port 8000 as HTTPS using `app.example.com` domain:
+
+   ```bash
+   uc run -p app.example.com:8000/https image/my-app
+   ```
+
+4. Create a DNS A record in your DNS provider (Cloudflare, Namecheap, etc.) that points `app.example.com` to your
    server's IP address. Allow a few minutes for DNS propagation.
-4. Deploy your app from a Docker image:
 
-```bash
-uc run -p app.example.com:8000/https my-app-image
-```
-
-That's it! Your app is now running and accessible at https://app.example.com ✨
+   That's it! Your app is now running and accessible at https://app.example.com ✨
 
 5. Clean up when you're done:
 
-```bash
-uc ls
-# Copy the service ID from the output and remove it:
-uc rm my-app-id
-```
+   ```bash
+   uc ls
+   # Copy the service name from the output and run the rm command:
+   uc rm my-app-name
+   ```
+
+   If you want to fully uninstall Uncloud on a machine, run:
+
+   ```bash
+   uncloud-uninstall
+   ```
+
+View the [user guide](docs/user_guide.md) for more information.
 
 ## ⚙️ How it works
 
@@ -105,7 +124,42 @@ under the hood to see what happens when you run certain commands.
 **When you initialize a new cluster on a machine:**
 
 ```bash
-uc machine init root@your-server-ip
+$ uc machine init --name oracle-vm ubuntu@152.67.101.197
+
+Downloading Uncloud install script: https://raw.githubusercontent.com/psviderski/uncloud/refs/heads/main/scripts/install.sh
+⏳ Running Uncloud install script...
+✓ Docker is already installed.
+⏳ Installing Docker...
+...
+✓ Docker installed successfully.
+✓ Linux user and group 'uncloud' created.
+✓ Linux user 'ubuntu' added to group 'uncloud'.
+⏳ Installing Uncloud binaries...
+⏳ Downloading uncloudd binary: https://github.com/psviderski/uncloud/releases/latest/download/uncloudd_linux_arm64.tar.gz
+✓ uncloudd binary installed: /usr/local/bin/uncloudd
+⏳ Downloading uninstall script: https://raw.githubusercontent.com/psviderski/uncloud/refs/heads/main/scripts/uninstall.sh
+✓ uncloud-uninstall script installed: /usr/local/bin/uncloud-uninstall
+✓ Systemd unit file created: /etc/systemd/system/uncloud.service
+Created symlink /etc/systemd/system/multi-user.target.wants/uncloud.service → /etc/systemd/system/uncloud.service.
+⏳ Downloading uncloud-corrosion binary: https://github.com/psviderski/corrosion/releases/latest/download/corrosion-aarch64-unknown-linux-gnu.tar.gz
+✓ uncloud-corrosion binary installed: /usr/local/bin/uncloud-corrosion
+✓ Systemd unit file created: /etc/systemd/system/uncloud-corrosion.service
+⏳ Starting Uncloud machine daemon (uncloud.service)...
+✓ Uncloud machine daemon started.
+✓ Uncloud installed on the machine successfully! 🎉
+Cluster "default" initialised with machine "oracle-vm"
+Waiting for the machine to be ready...
+
+Reserved cluster domain: xuw3xd.cluster.uncloud.run
+[+] Deploying service caddy 1/1
+ ✔ Container caddy-c47x on oracle-vm  Started                                                                                                                                          0.9s
+
+Updating cluster domain records in Uncloud DNS to point to machines running caddy service...
+[+] Verifying internet access to caddy service 1/1
+ ✔ Machine oracle-vm (152.67.101.197)  Reachable                                                                                                                                       0.1s
+
+DNS records updated to use only the internet-reachable machines running caddy service:
+  *.xuw3xd.cluster.uncloud.run  A → 152.67.101.197
 ```
 
 1. The CLI SSHs into the machine and installs Docker, the `uncloudd` machine daemon and
@@ -121,7 +175,42 @@ uc machine init root@your-server-ip
 **When you add another machine:**
 
 ```bash
-uc machine add ubuntu@second-server-ip
+$ uc machine add --name hetzner-server root@5.223.45.199
+Downloading Uncloud install script: https://raw.githubusercontent.com/psviderski/uncloud/refs/heads/main/scripts/install.sh
+⏳ Running Uncloud install script...
+✓ Docker is already installed.
+✓ Linux user and group 'uncloud' created.
+⏳ Installing Uncloud binaries...
+⏳ Downloading uncloudd binary: https://github.com/psviderski/uncloud/releases/latest/download/uncloudd_linux_amd64.tar.gz
+✓ uncloudd binary installed: /usr/local/bin/uncloudd
+⏳ Downloading uninstall script: https://raw.githubusercontent.com/psviderski/uncloud/refs/heads/main/scripts/uninstall.sh
+✓ uncloud-uninstall script installed: /usr/local/bin/uncloud-uninstall
+✓ Systemd unit file created: /etc/systemd/system/uncloud.service
+Created symlink /etc/systemd/system/multi-user.target.wants/uncloud.service → /etc/systemd/system/uncloud.service.
+⏳ Downloading uncloud-corrosion binary: https://github.com/psviderski/corrosion/releases/latest/download/corrosion-x86_64-unknown-linux-gnu.tar.gz
+✓ uncloud-corrosion binary installed: /usr/local/bin/uncloud-corrosion
+✓ Systemd unit file created: /etc/systemd/system/uncloud-corrosion.service
+⏳ Starting Uncloud machine daemon (uncloud.service)...
+✓ Uncloud machine daemon started.
+✓ Uncloud installed on the machine successfully! 🎉
+Machine "hetzner-server" added to cluster
+Waiting for the machine to be ready...
+
+[+] Deploying service caddy 1/1
+ ✔ Container caddy-d36c on hetzner-server  Started                                                                                                                                     1.0s
+
+Updating cluster domain records in Uncloud DNS to point to machines running caddy service...
+[+] Verifying internet access to caddy service 2/2
+ ✔ Machine hetzner-server (5.223.45.199)  Reachable                                                                                                                                    0.2s
+ ✔ Machine oracle-vm (152.67.101.197)     Reachable                                                                                                                                    0.1s
+
+DNS records updated to use only the internet-reachable machines running caddy service:
+  *.xuw3xd.cluster.uncloud.run  A → 152.67.101.197, 5.223.45.199
+
+$ uc machine ls
+NAME             STATE   ADDRESS         PUBLIC IP        WIREGUARD ENDPOINTS
+oracle-vm        Up      10.210.0.1/24   152.67.101.197   10.0.0.95:51820, 152.67.101.197:51820
+hetzner-server   Up      10.210.1.1/24   5.223.45.199     5.223.45.199:51820, [2a01:4ff:2f0:128b::1]:51820
 ```
 
 1. The second machine gets provisioned just like the first. A non-root SSH user will need `sudo` access.
@@ -140,7 +229,14 @@ and automatically establish a WireGuard tunnel with it.
 **When you run a service:**
 
 ```bash
-uc run -p app.example.com:8000/https my-app-image
+$ uc run -p app.example.com:8000/https image/my-app
+
+[+] Running service my-app-1b3b (replicated mode) 1/1
+ ✔ Container my-app-1b3b-tcex on oracle-vm  Started
+
+my-app-1b3b endpoints:
+ • https://app.example.com → :8000
+ • https://my-app-1b3b.xuw3xd.cluster.uncloud.run → :8000
 ```
 
 1. CLI picks a machine to run your container.

cmd/ucind/cluster/create.go

@@ -3,7 +3,7 @@ package cluster
 import (
 	"fmt"
 	"github.com/spf13/cobra"
-	"uncloud/internal/ucind"
+	"github.com/psviderski/uncloud/internal/ucind"
 )
 
 func NewCreateCommand() *cobra.Command {

cmd/ucind/cluster/remove.go

@@ -3,7 +3,7 @@ package cluster
 import (
 	"fmt"
 	"github.com/spf13/cobra"
-	"uncloud/internal/ucind"
+	"github.com/psviderski/uncloud/internal/ucind"
 )
 
 func NewRemoveCommand() *cobra.Command {

cmd/ucind/main.go

@@ -7,8 +7,8 @@ import (
 	"github.com/spf13/cobra"
 	"os"
 	"strings"
-	"uncloud/cmd/ucind/cluster"
-	"uncloud/internal/ucind"
+	"github.com/psviderski/uncloud/cmd/ucind/cluster"
+	"github.com/psviderski/uncloud/internal/ucind"
 )
 
 func main() {

cmd/uncloud/caddy/deploy.go

@@ -0,0 +1,225 @@
+package caddy
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"github.com/docker/cli/cli/streams"
+	"github.com/docker/compose/v2/pkg/progress"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/psviderski/uncloud/pkg/client"
+	"github.com/psviderski/uncloud/pkg/client/deploy"
+	"github.com/spf13/cobra"
+	"maps"
+	"slices"
+	"strings"
+)
+
+type deployOptions struct {
+	image   string
+	machine string
+	cluster string
+}
+
+func NewDeployCommand() *cobra.Command {
+	opts := deployOptions{}
+
+	cmd := &cobra.Command{
+		Use:   "deploy",
+		Short: "Deploy or upgrade Caddy reverse proxy across all machines in the cluster.",
+		Long: "Deploy or upgrade Caddy reverse proxy across all machines in the cluster.\n" +
+			"A rolling update is performed when updating existing containers to minimise disruption.",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+			return runDeploy(cmd.Context(), uncli, opts)
+		},
+	}
+
+	cmd.Flags().StringVar(&opts.image, "image", "",
+		"Caddy Docker image to deploy. (default caddy:LATEST_VERSION)")
+	cmd.Flags().StringVarP(&opts.machine, "machine", "m", "",
+		"Machine names to deploy to (comma-separated). (default is all machines)")
+	cmd.Flags().StringVarP(
+		&opts.cluster, "cluster", "c", "",
+		"Name of the cluster to deploy to. (default is the current cluster)",
+	)
+
+	return cmd
+}
+
+func runDeploy(ctx context.Context, uncli *cli.CLI, opts deployOptions) error {
+	clusterClient, err := uncli.ConnectCluster(ctx, opts.cluster)
+	if err != nil {
+		return fmt.Errorf("connect to cluster: %w", err)
+	}
+	defer clusterClient.Close()
+
+	svc, err := clusterClient.InspectService(ctx, client.CaddyServiceName)
+	if err != nil {
+		if !errors.Is(err, api.ErrNotFound) {
+			return fmt.Errorf("inspect caddy service: %w", err)
+		}
+		fmt.Printf("Service: %s (not running)\n", client.CaddyServiceName)
+	} else {
+		fmt.Printf("Service: %s (%s mode)\n", svc.Name, svc.Mode)
+
+		// Collect unique images of all containers in the running caddy service.
+		images := make(map[string]struct{}, len(svc.Containers))
+		for _, c := range svc.Containers {
+			images[c.Container.Config.Image] = struct{}{}
+		}
+		currentImages := slices.Collect(maps.Keys(images))
+
+		if len(currentImages) > 1 {
+			commaSeparatedImages := strings.Join(currentImages, ", ")
+			fmt.Printf("Current images (multiple versions detected): %s\n", commaSeparatedImages)
+		} else {
+			fmt.Printf("Current image: %s\n", currentImages[0])
+		}
+	}
+
+	if opts.image != "" {
+		fmt.Printf("Target image: %s\n", opts.image)
+	}
+
+	fmt.Println()
+	fmt.Println("Preparing a deployment plan...")
+
+	var filter deploy.MachineFilter
+	if opts.machine != "" {
+		machines := strings.Split(opts.machine, ",")
+		for i, m := range machines {
+			machines[i] = strings.TrimSpace(m)
+		}
+		filter = machineFilter(machines)
+	}
+
+	d, err := clusterClient.NewCaddyDeployment(opts.image, filter)
+	if err != nil {
+		return fmt.Errorf("create caddy deployment: %w", err)
+	}
+
+	if opts.image == "" {
+		fmt.Printf("Target image: %s (latest stable)\n", d.Spec.Container.Image)
+	}
+
+	plan, err := d.Plan(ctx)
+	if err != nil {
+		if errors.Is(err, deploy.ErrNoMatchingMachines) {
+			return fmt.Errorf("no machines found matching: %s", opts.machine)
+		}
+		return fmt.Errorf("plan caddy deployment: %w", err)
+	}
+
+	if len(plan.Operations) == 0 {
+		if opts.machine != "" {
+			fmt.Printf("%s service is up to date on selected machines.\n", client.CaddyServiceName)
+		} else {
+			fmt.Printf("%s service is up to date.\n", client.CaddyServiceName)
+		}
+	} else {
+		if svc.ID == "" {
+			if opts.machine != "" {
+				fmt.Println("This will run a Caddy container on selected machines.")
+			} else {
+				fmt.Println("This will run a Caddy container on each machine.")
+			}
+		} else {
+			if opts.machine != "" {
+				fmt.Println("This will perform a rolling update of Caddy containers on selected machines.")
+			} else {
+				fmt.Println("This will perform a rolling update of Caddy containers on each machine.")
+			}
+		}
+
+		// Initialise a machine and container name resolver to properly format the plan output.
+		resolver, err := clusterClient.ServiceOperationNameResolver(ctx, svc)
+		if err != nil {
+			return fmt.Errorf("create machine and container name resolver for service operations: %w", err)
+		}
+
+		fmt.Println()
+		fmt.Println("Deployment plan:")
+		fmt.Println(plan.Format(resolver))
+		fmt.Println()
+
+		confirmed, err := cli.Confirm()
+		if err != nil {
+			return fmt.Errorf("confirm deployment: %w", err)
+		}
+		if !confirmed {
+			fmt.Println("Cancelled. No changes were made.")
+			return nil
+		}
+
+		err = progress.RunWithTitle(ctx, func(ctx context.Context) error {
+			if _, err = d.Run(ctx); err != nil {
+				return fmt.Errorf("deploy caddy: %w", err)
+			}
+			return nil
+		}, uncli.ProgressOut(), fmt.Sprintf("Deploying service %s (%s mode)", d.Spec.Name, d.Spec.Mode))
+		if err != nil {
+			return err
+		}
+	}
+
+	fmt.Println()
+	return UpdateDomainRecords(ctx, clusterClient, uncli.ProgressOut())
+}
+
+func UpdateDomainRecords(ctx context.Context, clusterClient *client.Client, progressOut *streams.Out) error {
+	if _, err := clusterClient.GetDomain(ctx); err != nil {
+		if errors.Is(err, api.ErrNotFound) {
+			fmt.Println("Skipping DNS records update as no cluster domain is reserved (see 'uc dns').")
+			return nil
+		}
+		return fmt.Errorf("get cluster domain: %w", err)
+	}
+
+	fmt.Println("Updating cluster domain records in Uncloud DNS to point to machines running caddy service...")
+	// TODO: split the method into two: one to get the records and one to update them to ask for update confirmation.
+
+	var records []*pb.DNSRecord
+	err := progress.RunWithTitle(ctx, func(ctx context.Context) error {
+		var err error
+		records, err = clusterClient.CreateIngressRecords(ctx, client.CaddyServiceName)
+		return err
+	}, progressOut, "Verifying internet access to caddy service")
+	if err != nil {
+		if errors.Is(err, client.ErrNoReachableMachines) {
+			fmt.Println()
+			fmt.Println("DNS records could not be updated as there are no internet-reachable machines running " +
+				"caddy containers.")
+			fmt.Println()
+			fmt.Println("Possible solutions:")
+			fmt.Println("- Ensure your machines have public IP addresses")
+			fmt.Println("- Use --public-ip flag when adding machines to override the automatically detected IPs")
+			fmt.Println("- Check firewall settings on your machines")
+			fmt.Println("- Configure port forwarding if behind NAT")
+			fmt.Println("- Retry Caddy deployment after resolving connectivity issues with 'uc caddy deploy'")
+			fmt.Println()
+			fmt.Println("Your services will not be accessible from the internet until at least one machine " +
+				"becomes reachable.")
+		}
+		return fmt.Errorf("failed to update DNS records pointing to caddy service: %w", err)
+	}
+
+	fmt.Println()
+	fmt.Println("DNS records updated to use only the internet-reachable machines running caddy service:")
+	for _, r := range records {
+		fmt.Printf("  %s  %s → %s\n", r.Name, r.Type, strings.Join(r.Values, ", "))
+	}
+
+	return nil
+}
+
+func machineFilter(machines []string) deploy.MachineFilter {
+	if len(machines) == 0 {
+		return nil
+	}
+	return func(m *pb.MachineInfo) bool {
+		return slices.Contains(machines, m.Name)
+	}
+}

cmd/uncloud/caddy/root.go

@@ -0,0 +1,16 @@
+package caddy
+
+import (
+	"github.com/spf13/cobra"
+)
+
+func NewRootCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "caddy",
+		Short: "Manage Caddy reverse proxy service.",
+	}
+	cmd.AddCommand(
+		NewDeployCommand(),
+	)
+	return cmd
+}

cmd/uncloud/deploy.go

@@ -0,0 +1,137 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"github.com/compose-spec/compose-go/v2/types"
+	"github.com/docker/compose/v2/pkg/progress"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/psviderski/uncloud/pkg/client/compose"
+	"github.com/psviderski/uncloud/pkg/client/deploy"
+	"github.com/spf13/cobra"
+	"strings"
+)
+
+type deployOptions struct {
+	files    []string
+	services []string
+
+	cluster string
+}
+
+// NewDeployCommand creates a new command to deploy services from a Compose file.
+func NewDeployCommand() *cobra.Command {
+	opts := deployOptions{}
+	cmd := &cobra.Command{
+		Use: "deploy [FLAGS] [SERVICE...]",
+		// TODO: remove WIP when the command is fully implemented.
+		Short: "WIP: Deploy services from a Compose file.",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+
+			if len(args) > 0 {
+				opts.services = args
+			}
+
+			return runDeploy(cmd.Context(), uncli, opts)
+		},
+	}
+
+	cmd.Flags().StringSliceVarP(&opts.files, "file", "f", nil,
+		"One or more Compose files to deploy services from. (default compose-ports-long.yaml)")
+	cmd.Flags().StringVarP(&opts.cluster, "cluster", "c", "",
+		"Name of the cluster to deploy to (default is the current cluster)")
+
+	return cmd
+}
+
+// runDeploy parses the Compose file(s) and deploys the services.
+func runDeploy(ctx context.Context, uncli *cli.CLI, opts deployOptions) error {
+	project, err := compose.LoadProject(ctx, opts.files)
+	if err != nil {
+		return fmt.Errorf("load compose file(s): %w", err)
+	}
+
+	if len(opts.services) > 0 {
+		// TODO: handle dependencies properly.
+		project, err = project.WithSelectedServices(opts.services, types.IgnoreDependencies)
+		if err != nil {
+			return fmt.Errorf("select services: %w", err)
+		}
+	}
+
+	clusterClient, err := uncli.ConnectCluster(ctx, opts.cluster)
+	if err != nil {
+		return fmt.Errorf("connect to cluster: %w", err)
+	}
+	defer clusterClient.Close()
+
+	composeDeploy, err := compose.NewDeployment(ctx, clusterClient, project)
+	if err != nil {
+		return fmt.Errorf("create compose deployment: %w", err)
+	}
+
+	plan, err := composeDeploy.Plan(ctx)
+	if err != nil {
+		return fmt.Errorf("plan deployment: %w", err)
+	}
+
+	if len(plan.Operations) == 0 {
+		fmt.Println("Services are up to date.")
+		return nil
+	}
+
+	fmt.Println("Deployment plan:")
+
+	for _, op := range plan.Operations {
+		svcPlan, ok := op.(*deploy.Plan)
+		if !ok {
+			return fmt.Errorf("expected service Plan, got: %T", op)
+		}
+
+		svc, err := clusterClient.InspectService(ctx, svcPlan.ServiceID)
+		if err != nil {
+			if !errors.Is(err, api.ErrNotFound) {
+				return fmt.Errorf("inspect service: %w", err)
+			}
+			fmt.Printf("- Run service [name=%s]\n", svcPlan.ServiceName)
+		} else {
+			fmt.Printf("- Update service [name=%s]\n", svc.Name)
+		}
+
+		// Initialise a machine and container name resolver to properly format the service plan output.
+		resolver, err := clusterClient.ServiceOperationNameResolver(ctx, svc)
+		if err != nil {
+			return fmt.Errorf("create machine and container name resolver for service operations: %w", err)
+		}
+
+		fmt.Println(indent(svcPlan.Format(resolver), "  "))
+	}
+	fmt.Println()
+
+	confirmed, err := cli.Confirm()
+	if err != nil {
+		return fmt.Errorf("confirm deployment: %w", err)
+	}
+	if !confirmed {
+		fmt.Println("Cancelled. No changes were made.")
+		return nil
+	}
+
+	return progress.RunWithTitle(ctx, func(ctx context.Context) error {
+		if err := plan.Execute(ctx, clusterClient); err != nil {
+			return fmt.Errorf("deploy services: %w", err)
+		}
+		return nil
+	}, uncli.ProgressOut(), "Deploying services")
+}
+
+func indent(text, prefix string) string {
+	lines := strings.Split(text, "\n")
+	for i, line := range lines {
+		lines[i] = prefix + line
+	}
+	return strings.Join(lines, "\n")
+}

cmd/uncloud/dns/release.go

@@ -0,0 +1,54 @@
+package dns
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"github.com/spf13/cobra"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/emptypb"
+	"github.com/psviderski/uncloud/internal/cli"
+)
+
+type releaseOptions struct {
+	cluster string
+}
+
+func NewReleaseCommand() *cobra.Command {
+	opts := releaseOptions{}
+
+	cmd := &cobra.Command{
+		Use:   "release",
+		Short: "Release the reserved cluster domain.",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+			return release(cmd.Context(), uncli, opts)
+		},
+	}
+
+	cmd.Flags().StringVarP(
+		&opts.cluster, "cluster", "c", "",
+		"Name of the cluster. (default is the current cluster)",
+	)
+
+	return cmd
+}
+
+func release(ctx context.Context, uncli *cli.CLI, opts releaseOptions) error {
+	client, err := uncli.ConnectCluster(ctx, opts.cluster)
+	if err != nil {
+		return fmt.Errorf("connect to cluster: %w", err)
+	}
+	defer client.Close()
+
+	domain, err := client.ReleaseDomain(ctx, &emptypb.Empty{})
+	if err != nil {
+		if status.Convert(err).Code() == codes.NotFound {
+			return errors.New("no domain reserved")
+		}
+	}
+
+	fmt.Printf("Released cluster domain: %s\n", domain.Name)
+	return nil
+}

cmd/uncloud/dns/reserve.go

@@ -0,0 +1,74 @@
+package dns
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"github.com/psviderski/uncloud/cmd/uncloud/caddy"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/psviderski/uncloud/pkg/client"
+	"github.com/spf13/cobra"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+const DefaultUncloudDNSAPIEndpoint = "https://dns.uncloud.run/v1"
+
+type reserveOptions struct {
+	endpoint string
+	cluster  string
+}
+
+func NewReserveCommand() *cobra.Command {
+	opts := reserveOptions{}
+
+	cmd := &cobra.Command{
+		Use:   "reserve",
+		Short: "Reserve a cluster domain in Uncloud DNS.",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+			return reserve(cmd.Context(), uncli, opts)
+		},
+	}
+
+	cmd.Flags().StringVar(&opts.endpoint, "endpoint", DefaultUncloudDNSAPIEndpoint,
+		"API endpoint for the Uncloud DNS service.")
+	cmd.Flags().StringVarP(
+		&opts.cluster, "cluster", "c", "",
+		"Name of the cluster. (default is the current cluster)",
+	)
+
+	return cmd
+}
+
+func reserve(ctx context.Context, uncli *cli.CLI, opts reserveOptions) error {
+	clusterClient, err := uncli.ConnectCluster(ctx, opts.cluster)
+	if err != nil {
+		return fmt.Errorf("connect to cluster: %w", err)
+	}
+	defer clusterClient.Close()
+
+	domain, err := clusterClient.ReserveDomain(ctx, &pb.ReserveDomainRequest{Endpoint: opts.endpoint})
+	if err != nil {
+		if status.Convert(err).Code() == codes.AlreadyExists {
+			return errors.New("domain already reserved")
+		}
+		return err
+	}
+
+	fmt.Printf("Reserved cluster domain: %s\n", domain.Name)
+
+	// Update cluster domain records in Uncloud DNS to point to machines running caddy service if it has been deployed.
+	if _, err = clusterClient.InspectService(ctx, client.CaddyServiceName); err != nil {
+		if errors.Is(err, api.ErrNotFound) {
+			fmt.Println("Deploy the Caddy reverse proxy service ('uc caddy deploy') to enable internet access " +
+				"to your services via the reserved or your custom domain.")
+			return nil
+		}
+		return fmt.Errorf("inspect caddy service: %w", err)
+	}
+
+	return caddy.UpdateDomainRecords(ctx, clusterClient, uncli.ProgressOut())
+}

cmd/uncloud/dns/root.go

@@ -0,0 +1,22 @@
+package dns
+
+import (
+	"github.com/spf13/cobra"
+)
+
+func NewRootCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "dns",
+		Short: "Manage cluster domain in Uncloud DNS.",
+		Long: "Manage cluster domain in Uncloud DNS.\n" +
+			"DNS commands allow you to reserve or release a unique '<id>.cluster.uncloud.run' domain for your " +
+			"cluster. When reserved, Caddy service deployments will automatically update DNS records to route " +
+			"traffic to the services in the cluster.",
+	}
+	cmd.AddCommand(
+		NewReleaseCommand(),
+		NewReserveCommand(),
+		NewShowCommand(),
+	)
+	return cmd
+}

cmd/uncloud/dns/show.go

@@ -0,0 +1,53 @@
+package dns
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/spf13/cobra"
+)
+
+type showOptions struct {
+	cluster string
+}
+
+func NewShowCommand() *cobra.Command {
+	opts := showOptions{}
+
+	cmd := &cobra.Command{
+		Use:   "show",
+		Short: "Print the cluster domain name.",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+			return show(cmd.Context(), uncli, opts)
+		},
+	}
+
+	cmd.Flags().StringVarP(
+		&opts.cluster, "cluster", "c", "",
+		"Name of the cluster. (default is the current cluster)",
+	)
+
+	return cmd
+}
+
+func show(ctx context.Context, uncli *cli.CLI, opts showOptions) error {
+	clusterClient, err := uncli.ConnectCluster(ctx, opts.cluster)
+	if err != nil {
+		return fmt.Errorf("connect to cluster: %w", err)
+	}
+	defer clusterClient.Close()
+
+	domain, err := clusterClient.GetDomain(ctx)
+	if err != nil {
+		if errors.Is(err, api.ErrNotFound) {
+			return errors.New("no domain reserved")
+		}
+		return err
+	}
+
+	fmt.Println(domain)
+	return nil
+}

cmd/uncloud/machine/add.go

@@ -1,14 +1,29 @@
 package machine
 
 import (
+	"context"
+	"errors"
 	"fmt"
+	"github.com/cenkalti/backoff/v4"
+	"github.com/docker/compose/v2/pkg/progress"
+	"github.com/psviderski/uncloud/cmd/uncloud/caddy"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/internal/cli/config"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/psviderski/uncloud/pkg/client"
 	"github.com/spf13/cobra"
-	"uncloud/internal/cli"
-	"uncloud/internal/cli/config"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/emptypb"
+	"net/netip"
+	"time"
 )
 
 type addOptions struct {
 	name     string
+	noCaddy  bool
+	publicIP string
 	sshKey   string
 	cluster  string
 }
@@ -33,10 +48,19 @@ func NewAddCommand() *cobra.Command {
 				KeyPath: opts.sshKey,
 			}
 
-			return uncli.AddMachine(cmd.Context(), remoteMachine, opts.cluster, opts.name)
+			return add(cmd.Context(), uncli, remoteMachine, opts)
 		},
 	}
 	cmd.Flags().StringVarP(&opts.name, "name", "n", "", "Assign a name to the machine.")
+	cmd.Flags().BoolVar(
+		&opts.noCaddy, "no-caddy", false,
+		"Don't deploy Caddy reverse proxy service to the machine.",
+	)
+	cmd.Flags().StringVar(
+		&opts.publicIP, "public-ip", "auto",
+		"Public IP address of the machine for ingress configuration. Use 'auto' for automatic detection, "+
+			"blank '' or 'none' to disable ingress on this machine, or specify an IP address.",
+	)
 	cmd.Flags().StringVarP(
 		&opts.sshKey, "ssh-key", "i", "",
 		"path to SSH private key for SSH remote login. (default ~/.ssh/id_*)",
@@ -47,3 +71,108 @@ func NewAddCommand() *cobra.Command {
 	)
 	return cmd
 }
+
+func add(ctx context.Context, uncli *cli.CLI, remoteMachine cli.RemoteMachine, opts addOptions) error {
+	var publicIP *netip.Addr
+	switch opts.publicIP {
+	case "auto":
+		publicIP = &netip.Addr{}
+	case "", "none":
+		publicIP = nil
+	default:
+		ip, err := netip.ParseAddr(opts.publicIP)
+		if err != nil {
+			return fmt.Errorf("parse public IP: %w", err)
+		}
+		publicIP = &ip
+	}
+
+	machineClient, err := uncli.AddMachine(ctx, remoteMachine, opts.cluster, opts.name, publicIP)
+	if err != nil {
+		return err
+	}
+	defer machineClient.Close()
+
+	if opts.noCaddy {
+		return nil
+	}
+
+	// Wait for the cluster to be initialised to be able to deploy the Caddy service.
+	fmt.Println("Waiting for the machine to be ready...")
+	fmt.Println()
+	if err = waitClusterInitialised(ctx, machineClient); err != nil {
+		return fmt.Errorf("wait for cluster to be initialised on machine: %w", err)
+	}
+
+	// Inspect the added machine to get its ID to create a filter for the Caddy deployment.
+	minfo, err := machineClient.Inspect(ctx, &emptypb.Empty{})
+	if err != nil {
+		return fmt.Errorf("inspect machine: %w", err)
+	}
+	filter := func(m *pb.MachineInfo) bool {
+		return m.Id == minfo.Id
+	}
+	// Deploy a Caddy service container to the added machine. If caddy service is already deployed on other machines,
+	// use the deployed image version. Otherwise, use the latest version.
+	caddyImage := ""
+	caddySvc, err := machineClient.InspectService(ctx, client.CaddyServiceName)
+	if err != nil {
+		if !errors.Is(err, api.ErrNotFound) {
+			return fmt.Errorf("inspect caddy service: %w", err)
+		}
+	} else {
+		caddyImage = caddySvc.Containers[0].Container.Config.Image
+		// Find the latest created container and use its image.
+		var latestCreated time.Time
+		for _, c := range caddySvc.Containers[1:] {
+			created, err := time.Parse(time.RFC3339Nano, c.Container.Created)
+			if err != nil {
+				continue
+			}
+			if created.After(latestCreated) {
+				latestCreated = created
+				caddyImage = c.Container.Config.Image
+			}
+		}
+	}
+
+	d, err := machineClient.NewCaddyDeployment(caddyImage, filter)
+	if err != nil {
+		return fmt.Errorf("create caddy deployment: %w", err)
+	}
+
+	err = progress.RunWithTitle(ctx, func(ctx context.Context) error {
+		if _, err = d.Run(ctx); err != nil {
+			return fmt.Errorf("deploy caddy: %w", err)
+		}
+		return nil
+	}, uncli.ProgressOut(), fmt.Sprintf("Deploying service %s", d.Spec.Name))
+	if err != nil {
+		return err
+	}
+
+	fmt.Println()
+	return caddy.UpdateDomainRecords(ctx, machineClient, uncli.ProgressOut())
+}
+
+func waitClusterInitialised(ctx context.Context, client *client.Client) error {
+	boff := backoff.WithContext(backoff.NewExponentialBackOff(
+		backoff.WithMaxInterval(1*time.Second),
+		backoff.WithMaxElapsedTime(5*time.Minute),
+	), ctx)
+
+	check := func() error {
+		_, err := client.ListMachines(ctx)
+		if err == nil {
+			return nil
+		}
+
+		statusErr := status.Convert(err)
+		if statusErr.Code() == codes.FailedPrecondition {
+			return err
+		}
+		return backoff.Permanent(err)
+	}
+
+	return backoff.Retry(check, boff)
+}

cmd/uncloud/machine/init.go

@@ -1,17 +1,26 @@
 package machine
 
 import (
+	"context"
 	"fmt"
+	"github.com/docker/compose/v2/pkg/progress"
+	"github.com/psviderski/uncloud/cmd/uncloud/caddy"
+	"github.com/psviderski/uncloud/cmd/uncloud/dns"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/internal/cli/config"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/internal/machine/cluster"
 	"github.com/spf13/cobra"
 	"net/netip"
-	"uncloud/internal/cli"
-	"uncloud/internal/cli/config"
-	"uncloud/internal/machine/cluster"
 )
 
 type initOptions struct {
+	dnsEndpoint string
 	name        string
 	network     string
+	noCaddy     bool
+	noDNS       bool
+	publicIP    string
 	sshKey      string
 	cluster     string
 }
@@ -39,22 +48,36 @@ func NewInitCommand() *cobra.Command {
 					KeyPath: opts.sshKey,
 				}
 			}
-			netPrefix, err := netip.ParsePrefix(opts.network)
-			if err != nil {
-				return fmt.Errorf("parse network CIDR: %w", err)
-			}
 
-			return uncli.InitCluster(cmd.Context(), remoteMachine, opts.cluster, opts.name, netPrefix)
+			return initCluster(cmd.Context(), uncli, remoteMachine, opts)
 		},
 	}
-	cmd.Flags().StringVarP(&opts.name, "name", "n", "", "Assign a name to the machine.")
+	cmd.Flags().StringVar(&opts.dnsEndpoint, "dns-endpoint", dns.DefaultUncloudDNSAPIEndpoint,
+		"API endpoint for the Uncloud DNS service.")
+	cmd.Flags().StringVarP(
+		&opts.name, "name", "n", "",
+		"Assign a name to the machine.",
+	)
 	cmd.Flags().StringVar(
 		&opts.network, "network", cluster.DefaultNetwork.String(),
 		"IPv4 network CIDR to use for machines and services.",
 	)
+	cmd.Flags().BoolVar(
+		&opts.noCaddy, "no-caddy", false,
+		"Don't deploy Caddy reverse proxy service to the machine.",
+	)
+	cmd.Flags().BoolVar(
+		&opts.noDNS, "no-dns", false,
+		"Don't reserve a cluster domain in Uncloud DNS.",
+	)
+	cmd.Flags().StringVar(
+		&opts.publicIP, "public-ip", "auto",
+		"Public IP address of the machine for ingress configuration. Use 'auto' for automatic detection, "+
+			"blank '' or 'none' to disable ingress on this machine, or specify an IP address.",
+	)
 	cmd.Flags().StringVarP(
 		&opts.sshKey, "ssh-key", "i", "",
-		"path to SSH private key for SSH remote login. (default ~/.ssh/id_*)",
+		"Path to SSH private key for SSH remote login. (default ~/.ssh/id_*)",
 	)
 	cmd.Flags().StringVarP(
 		&opts.cluster, "cluster", "c", "",
@@ -63,3 +86,70 @@ func NewInitCommand() *cobra.Command {
 
 	return cmd
 }
+
+func initCluster(ctx context.Context, uncli *cli.CLI, remoteMachine *cli.RemoteMachine, opts initOptions) error {
+	netPrefix, err := netip.ParsePrefix(opts.network)
+	if err != nil {
+		return fmt.Errorf("parse network CIDR: %w", err)
+	}
+
+	var publicIP *netip.Addr
+	switch opts.publicIP {
+	case "auto":
+		publicIP = &netip.Addr{}
+	case "", "none":
+		publicIP = nil
+	default:
+		ip, err := netip.ParseAddr(opts.publicIP)
+		if err != nil {
+			return fmt.Errorf("parse public IP: %w", err)
+		}
+		publicIP = &ip
+	}
+
+	client, err := uncli.InitCluster(ctx, remoteMachine, opts.cluster, opts.name, netPrefix, publicIP)
+	if err != nil {
+		return err
+	}
+	defer client.Close()
+
+	if opts.noCaddy && opts.noDNS {
+		return nil
+	}
+
+	// Deploy the Caddy service to the initialised machine.
+	// The creation of a deployment plan talks to cluster API. Since the API needs a few moments to become available
+	// after cluster initialisation, we keep the user informed during this wait.
+	fmt.Println("Waiting for the machine to be ready...")
+	fmt.Println()
+
+	if !opts.noDNS {
+		domain, err := client.ReserveDomain(ctx, &pb.ReserveDomainRequest{Endpoint: opts.dnsEndpoint})
+		if err != nil {
+			return fmt.Errorf("reserve cluster domain in Uncloud DNS: %w", err)
+		}
+		fmt.Printf("Reserved cluster domain: %s\n", domain.Name)
+	}
+
+	if !opts.noCaddy {
+		d, err := client.NewCaddyDeployment("", nil)
+		if err != nil {
+			return fmt.Errorf("create caddy deployment: %w", err)
+		}
+
+		err = progress.RunWithTitle(ctx, func(ctx context.Context) error {
+			if _, err = d.Run(ctx); err != nil {
+				return fmt.Errorf("deploy caddy: %w", err)
+			}
+			return nil
+		}, uncli.ProgressOut(), fmt.Sprintf("Deploying service %s", d.Spec.Name))
+		if err != nil {
+			return err
+		}
+
+		fmt.Println()
+		return caddy.UpdateDomainRecords(ctx, client, uncli.ProgressOut())
+	}
+
+	return nil
+}

cmd/uncloud/machine/list.go

@@ -8,9 +8,8 @@ import (
 	"os"
 	"strings"
 	"text/tabwriter"
-	"uncloud/internal/cli"
-	"uncloud/internal/machine/network"
-	"uncloud/internal/secret"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/internal/machine/network"
 )
 
 func NewListCommand() *cobra.Command {
@@ -46,7 +45,7 @@ func list(ctx context.Context, uncli *cli.CLI, clusterName string) error {
 	// Print the list of machines in a table format.
 	tw := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0)
 	// Print header.
-	if _, err = fmt.Fprintln(tw, "NAME\tSTATE\tADDRESS\tPUBLIC KEY\tENDPOINTS"); err != nil {
+	if _, err = fmt.Fprintln(tw, "NAME\tSTATE\tADDRESS\tPUBLIC IP\tWIREGUARD ENDPOINTS"); err != nil {
 		return fmt.Errorf("write header: %w", err)
 	}
 	// Print rows.
@@ -54,14 +53,21 @@ func list(ctx context.Context, uncli *cli.CLI, clusterName string) error {
 		m := member.Machine
 		subnet, _ := m.Network.Subnet.ToPrefix()
 		subnet = netip.PrefixFrom(network.MachineIP(subnet), subnet.Bits())
+
+		publicIP := "-"
+		if m.PublicIp != nil {
+			ip, _ := m.PublicIp.ToAddr()
+			publicIP = ip.String()
+		}
+
 		endpoints := make([]string, len(m.Network.Endpoints))
 		for i, ep := range m.Network.Endpoints {
 			addrPort, _ := ep.ToAddrPort()
 			endpoints[i] = addrPort.String()
 		}
-		publicKey := secret.Secret(m.Network.PublicKey)
+
 		if _, err = fmt.Fprintf(
-			tw, "%s\t%s\t%s\t%s\t%s\n", m.Name, capitalise(member.State.String()), subnet, publicKey, strings.Join(endpoints, ", "),
+			tw, "%s\t%s\t%s\t%s\t%s\n", m.Name, capitalise(member.State.String()), subnet, publicIP, strings.Join(endpoints, ", "),
 		); err != nil {
 			return fmt.Errorf("write row: %w", err)
 		}

cmd/uncloud/machine/token.go

@@ -3,8 +3,8 @@ package machine
 import (
 	"fmt"
 	"github.com/spf13/cobra"
-	"uncloud/internal/daemon"
-	"uncloud/internal/machine"
+	"github.com/psviderski/uncloud/internal/daemon"
+	"github.com/psviderski/uncloud/internal/machine"
 )
 
 type tokenOptions struct {

cmd/uncloud/main.go

@@ -3,31 +3,55 @@ package main
 import (
 	"context"
 	"fmt"
-	"github.com/spf13/cobra"
-	"os"
+	"net/netip"
 	"strings"
-	"uncloud/cmd/uncloud/machine"
-	"uncloud/cmd/uncloud/service"
-	"uncloud/internal/cli"
+
+	"github.com/psviderski/uncloud/cmd/uncloud/caddy"
+	"github.com/psviderski/uncloud/cmd/uncloud/dns"
+	"github.com/psviderski/uncloud/cmd/uncloud/machine"
+	"github.com/psviderski/uncloud/cmd/uncloud/service"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/internal/cli/config"
+	"github.com/psviderski/uncloud/internal/fs"
+	"github.com/spf13/cobra"
 )
 
+type globalOptions struct {
+	configPath string
+	connect    string
+}
+
 func main() {
-	var configPath string
+	opts := globalOptions{}
 	cmd := &cobra.Command{
 		Use:           "uncloud",
 		Short:         "A CLI tool for managing Uncloud resources such as clusters, machines, and services.",
 		SilenceUsage:  true,
 		SilenceErrors: true,
 		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
-			if strings.HasPrefix(configPath, "~/") {
-				home, err := os.UserHomeDir()
+			var conn *config.MachineConnection
+			if opts.connect != "" {
+				if strings.HasPrefix(opts.connect, "tcp://") {
+					addrPort, err := netip.ParseAddrPort(opts.connect[len("tcp://"):])
 					if err != nil {
-					return fmt.Errorf("get user home directory to resolve %q: %w", configPath, err)
+						return fmt.Errorf("parse TCP address: %w", err)
+					}
+					conn = &config.MachineConnection{
+						TCP: addrPort,
+					}
+				} else {
+					dest := opts.connect
+					if strings.HasPrefix(dest, "ssh://") {
+						dest = dest[len("ssh://"):]
+					}
+					conn = &config.MachineConnection{
+						SSH: config.SSHDestination(dest),
+					}
 				}
-				configPath = strings.Replace(configPath, "~", home, 1)
 			}
 
-			uncli, err := cli.New(configPath)
+			configPath := fs.ExpandHomeDir(opts.configPath)
+			uncli, err := cli.New(configPath, conn)
 			if err != nil {
 				return fmt.Errorf("initialize CLI: %w", err)
 			}
@@ -35,18 +59,26 @@ func main() {
 			return nil
 		},
 	}
+
+	cmd.PersistentFlags().StringVar(&opts.connect, "connect", "",
+		"Connect to a remote cluster machine without using the Uncloud configuration file.\n"+
+			"Format: [ssh://]user@host[:port] or tcp://host:port")
 	// TODO: allow to override using UNCLOUD_CONFIG env var.
-	cmd.PersistentFlags().StringVar(&configPath, "uncloud-config", "~/.config/uncloud/config.toml",
-		"path to the Uncloud configuration file.")
+	cmd.PersistentFlags().StringVar(&opts.configPath, "uncloud-config", "~/.config/uncloud/config.toml",
+		"Path to the Uncloud configuration file.")
 	_ = cmd.MarkPersistentFlagFilename("uncloud-config", "toml")
 
 	cmd.AddCommand(
+		NewDeployCommand(),
+		caddy.NewRootCommand(),
+		dns.NewRootCommand(),
 		machine.NewRootCommand(),
 		service.NewRootCommand(),
 		service.NewInspectCommand(),
 		service.NewListCommand(),
 		service.NewRmCommand(),
 		service.NewRunCommand(),
+		service.NewScaleCommand(),
 	)
 	cobra.CheckErr(cmd.Execute())
 }

cmd/uncloud/service/inspect.go

@@ -10,7 +10,7 @@ import (
 	"time"
 
 	"github.com/spf13/cobra"
-	"uncloud/internal/cli"
+	"github.com/psviderski/uncloud/internal/cli"
 )
 
 type inspectOptions struct {
@@ -89,7 +89,7 @@ func inspect(ctx context.Context, uncli *cli.CLI, opts inspectOptions) error {
 			tw,
 			"%s\t%s\t%s\t%s\t%s\n",
 			stringid.TruncateID(ctr.Container.ID),
-			ctr.Container.Image,
+			ctr.Container.Config.Image,
 			created,
 			state,
 			machine,

cmd/uncloud/service/list.go

@@ -3,10 +3,11 @@ package service
 import (
 	"context"
 	"fmt"
+	"github.com/psviderski/uncloud/internal/cli"
 	"github.com/spf13/cobra"
 	"os"
+	"strings"
 	"text/tabwriter"
-	"uncloud/internal/cli"
 )
 
 func NewListCommand() *cobra.Command {
@@ -39,13 +40,38 @@ func list(ctx context.Context, uncli *cli.CLI, clusterName string) error {
 		return fmt.Errorf("list services: %w", err)
 	}
 
+	serviceNames := make(map[string]struct{}, len(services))
+	haveDuplicateNames := false
+	for _, svc := range services {
+		if _, exists := serviceNames[svc.Name]; exists {
+			haveDuplicateNames = true
+			break
+		}
+		serviceNames[svc.Name] = struct{}{}
+	}
+
 	// Print the list of services in a table format.
 	tw := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0)
-	if _, err = fmt.Fprintln(tw, "SERVICE ID\tNAME\tMODE\tREPLICAS"); err != nil {
+
+	// Include the ID column if there are duplicate service names to differentiate them.
+	if haveDuplicateNames {
+		if _, err = fmt.Fprintf(tw, "ID\t"); err != nil {
+			return fmt.Errorf("write header: %w", err)
+		}
+	}
+	if _, err = fmt.Fprintln(tw, "NAME\tMODE\tREPLICAS\tENDPOINTS"); err != nil {
 		return fmt.Errorf("write header: %w", err)
 	}
 	for _, s := range services {
-		if _, err = fmt.Fprintf(tw, "%s\t%s\t%s\t%d\n", s.ID, s.Name, s.Mode, len(s.Containers)); err != nil {
+		endpointsSlice := s.Endpoints()
+		endpoints := strings.Join(endpointsSlice, ", ")
+
+		if haveDuplicateNames {
+			if _, err = fmt.Fprintf(tw, "%s\t", s.ID); err != nil {
+				return fmt.Errorf("write row: %w", err)
+			}
+		}
+		if _, err = fmt.Fprintf(tw, "%s\t%s\t%d\t%s\n", s.Name, s.Mode, len(s.Containers), endpoints); err != nil {
 			return fmt.Errorf("write row: %w", err)
 		}
 	}

cmd/uncloud/service/rm.go

@@ -5,9 +5,9 @@ import (
 	"fmt"
 	"github.com/docker/cli/cli/streams"
 	"github.com/docker/compose/v2/pkg/progress"
+	"github.com/psviderski/uncloud/internal/cli"
 	"github.com/spf13/cobra"
 	"os"
-	"uncloud/internal/cli"
 )
 
 type rmOptions struct {

cmd/uncloud/service/root.go

@@ -14,6 +14,7 @@ func NewRootCommand() *cobra.Command {
 		NewListCommand(),
 		NewRmCommand(),
 		NewRunCommand(),
+		NewScaleCommand(),
 	)
 	return cmd
 }

cmd/uncloud/service/run.go

@@ -3,18 +3,26 @@ package service
 import (
 	"context"
 	"fmt"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/psviderski/uncloud/pkg/client/deploy"
 	"github.com/spf13/cobra"
-	"uncloud/internal/api"
-	"uncloud/internal/cli"
+	"slices"
+	"strings"
 )
 
 type runOptions struct {
 	command           []string
+	entrypoint        string
+	entrypointChanged bool
 	image             string
-	machine string
+	machines          []string
 	mode              string
 	name              string
 	publish           []string
+	pull              string
+	replicas          uint
 	volumes           []string
 
 	cluster string
@@ -30,6 +38,7 @@ func NewRunCommand() *cobra.Command {
 		RunE: func(cmd *cobra.Command, args []string) error {
 			uncli := cmd.Context().Value("cli").(*cli.CLI)
 
+			opts.entrypointChanged = cmd.Flag("entrypoint").Changed
 			opts.image = args[0]
 			if len(args) > 1 {
 				opts.command = args[1:]
@@ -39,25 +48,32 @@ func NewRunCommand() *cobra.Command {
 		},
 	}
 
-	// TODO: implement placement constraints and translate --machine to a constraint.
-	//cmd.Flags().StringVarP(
-	//	&opts.machine, "machine", "m", "",
-	//	"Name or ID of the machine to run the service on. (default is first available)",
-	//)
+	cmd.Flags().StringVar(&opts.entrypoint, "entrypoint", "",
+		"Overwrite the default ENTRYPOINT of the image. Pass an empty string \"\" to reset it.")
 	cmd.Flags().StringVar(&opts.mode, "mode", api.ServiceModeReplicated,
-		fmt.Sprintf("Replication mode of the service: either %q (a specified number of containers across "+
-			"the machines) or %q (one container on every machine).",
+		fmt.Sprintf("Replication mode of the service: either '%s' (a specified number of containers across "+
+			"the machines) or '%s' (one container on every machine).",
 			api.ServiceModeReplicated, api.ServiceModeGlobal))
+	cmd.Flags().StringSliceVarP(&opts.machines, "machine", "m", nil,
+		"Placement constraint by machine name, limiting which machines the service can run on. Can be specified "+
+			"multiple times or as a comma-separated list of machine names. (default is any suitable machine)")
 	cmd.Flags().StringVarP(&opts.name, "name", "n", "",
 		"Assign a name to the service. A random name is generated if not specified.")
 	cmd.Flags().StringSliceVarP(&opts.publish, "publish", "p", nil,
 		"Publish a service port to make it accessible outside the cluster. Can be specified multiple times.\n"+
 			"Format: [hostname:][load_balancer_port:]container_port[/protocol] or [host_ip:]:host_port:container_port[/protocol]@host\n"+
-			"Supported protocols: tcp, udp, http, https (default is tcp). If a hostname for http(s) port is not specified, a random hostname is generated.\n"+
+			"Supported protocols: tcp, udp, http, https (default is tcp). If a hostname for http(s) port is not specified,\n"+
+			"service-name.cluster-domain will be used as the hostname.\n"+
 			"Examples:\n"+
+			"  -p 8080/https                  Publish port 8080 as HTTPS via load balancer with default service-name.cluster-domain hostname\n"+
 			"  -p app.example.com:8080/https  Publish port 8080 as HTTPS via load balancer with custom hostname\n"+
 			"  -p 9000:8080                   Publish port 8080 as TCP port 9000 via load balancer\n"+
 			"  -p 53:5353/udp@host            Bind UDP port 5353 to host port 53")
+	cmd.Flags().StringVar(&opts.pull, "pull", api.PullPolicyMissing,
+		fmt.Sprintf("Pull image from the registry before running service containers ('%s', '%s', '%s').",
+			api.PullPolicyAlways, api.PullPolicyMissing, api.PullPolicyNever))
+	cmd.Flags().UintVar(&opts.replicas, "replicas", 1,
+		"Number of containers to run for the service. Only valid for a replicated service.")
 	cmd.Flags().StringSliceVarP(&opts.volumes, "volume", "v", nil,
 		"Bind mount a host file or directory into a service container using the format "+
 			"/host/path:/container/path[:ro]. Can be specified multiple times.")
@@ -72,9 +88,38 @@ func NewRunCommand() *cobra.Command {
 
 func run(ctx context.Context, uncli *cli.CLI, opts runOptions) error {
 	switch opts.mode {
-	case "", api.ServiceModeReplicated, api.ServiceModeGlobal:
+	case api.ServiceModeReplicated, api.ServiceModeGlobal:
 	default:
-		return fmt.Errorf("invalid replication mode: %q", opts.mode)
+		return fmt.Errorf("invalid replication mode: '%s'", opts.mode)
+	}
+
+	switch opts.pull {
+	case api.PullPolicyAlways, api.PullPolicyMissing, api.PullPolicyNever:
+	default:
+		return fmt.Errorf("invalid pull policy: '%s'", opts.pull)
+	}
+
+	var machineFilter deploy.MachineFilter
+	if len(opts.machines) > 0 {
+		var machines []string
+		for _, value := range opts.machines {
+			if value == "" {
+				continue
+			}
+
+			mlist := strings.Split(value, ",")
+			for _, m := range mlist {
+				if m = strings.TrimSpace(m); m != "" {
+					machines = append(machines, m)
+				}
+			}
+		}
+
+		if len(machines) > 0 {
+			machineFilter = func(m *pb.MachineInfo) bool {
+				return slices.Contains(machines, m.Name)
+			}
+		}
 	}
 
 	ports := make([]api.PortSpec, len(opts.publish))
@@ -91,25 +136,50 @@ func run(ctx context.Context, uncli *cli.CLI, opts runOptions) error {
 		Container: api.ContainerSpec{
 			Command:    opts.command,
 			Image:      opts.image,
+			PullPolicy: opts.pull,
 			Volumes:    opts.volumes,
 		},
 		Mode:     opts.mode,
 		Name:     opts.name,
 		Ports:    ports,
+		Replicas: opts.replicas,
 	}
+
+	// Overwrite the default ENTRYPOINT of the image or reset it if an empty string is passed.
+	if opts.entrypoint != "" {
+		spec.Container.Entrypoint = []string{opts.entrypoint}
+	} else if opts.entrypointChanged {
+		spec.Container.Entrypoint = []string{""}
+	}
+
 	if err := spec.Validate(); err != nil {
 		return fmt.Errorf("invalid service configuration: %w", err)
 	}
 
-	client, err := uncli.ConnectCluster(ctx, opts.cluster)
+	clusterClient, err := uncli.ConnectCluster(ctx, opts.cluster)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}
-	defer client.Close()
+	defer clusterClient.Close()
 
-	if _, err = client.RunService(ctx, spec); err != nil {
+	resp, err := clusterClient.RunService(ctx, spec, machineFilter)
+	if err != nil {
 		return fmt.Errorf("run service: %w", err)
 	}
 
+	svc, err := clusterClient.InspectService(ctx, resp.ID)
+	if err != nil {
+		return fmt.Errorf("inspect service: %w", err)
+	}
+
+	endpoints := svc.Endpoints()
+	if len(endpoints) > 0 {
+		fmt.Println()
+		fmt.Printf("%s endpoints:\n", svc.Name)
+		for _, endpoint := range endpoints {
+			fmt.Printf(" • %s\n", endpoint)
+		}
+	}
+
 	return nil
 }

cmd/uncloud/service/scale.go

@@ -0,0 +1,152 @@
+package service
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+
+	"github.com/charmbracelet/huh"
+	"github.com/docker/compose/v2/pkg/progress"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/spf13/cobra"
+)
+
+type scaleOptions struct {
+	service  string
+	replicas uint
+	cluster  string
+}
+
+func NewScaleCommand() *cobra.Command {
+	opts := scaleOptions{}
+	cmd := &cobra.Command{
+		Use:   "scale SERVICE REPLICAS",
+		Short: "Scale a replicated service by changing the number of replicas.",
+		Long:  "Scale a replicated service by changing the number of replicas. Scaling down requires confirmation.",
+		Args:  cobra.ExactArgs(2),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+
+			opts.service = args[0]
+			replicas, err := strconv.ParseUint(args[1], 10, 0)
+			if err != nil {
+				return fmt.Errorf("invalid number of replicas: %w", err)
+			}
+			opts.replicas = uint(replicas)
+
+			return scale(cmd.Context(), uncli, opts)
+		},
+	}
+
+	cmd.Flags().StringVarP(
+		&opts.cluster, "cluster", "c", "",
+		"Name of the cluster. (default is the current cluster)",
+	)
+
+	return cmd
+}
+
+func scale(ctx context.Context, uncli *cli.CLI, opts scaleOptions) error {
+	if opts.replicas == 0 {
+		return fmt.Errorf(
+			"scaling to zero replicas is not supported. This would effectively remove the service without preserving "+
+				"its configuration, making it impossible to scale back up. Uncloud derives the service configuration "+
+				"from existing containers. Use 'uc rm %s' instead if you want to remove the service",
+			opts.service,
+		)
+	}
+
+	clusterClient, err := uncli.ConnectCluster(ctx, opts.cluster)
+	if err != nil {
+		return fmt.Errorf("connect to cluster: %w", err)
+	}
+	defer clusterClient.Close()
+
+	svc, err := clusterClient.InspectService(ctx, opts.service)
+	if err != nil {
+		return fmt.Errorf("inspect service '%s': %w", opts.service, err)
+	}
+
+	if svc.Mode != api.ServiceModeReplicated {
+		return fmt.Errorf("scaling is only supported for services in %s mode, service '%s' is in %s mode",
+			api.ServiceModeReplicated, svc.Name, svc.Mode)
+	}
+
+	currentReplicas := uint(len(svc.Containers))
+
+	if currentReplicas == opts.replicas {
+		fmt.Printf("Service '%s' already has %d replicas. No changes required.\n", svc.Name, currentReplicas)
+		return nil
+	}
+
+	// TODO: Check if all containers have the same spec. If not, prompt user to choose which one to scale.
+	//  This can happen if a service deployment failed midway and some containers were not updated.
+	spec := svc.Containers[0].Container.ServiceSpec
+	spec.Replicas = opts.replicas
+	deployment := clusterClient.NewDeployment(spec, nil)
+	plan, err := deployment.Plan(ctx)
+	if err != nil {
+		return fmt.Errorf("plan deployment: %w", err)
+	}
+
+	if len(plan.Operations) == 0 {
+		fmt.Printf("Service '%s' is already scaled to %d replicas.\n", svc.Name, opts.replicas)
+		return nil
+	}
+
+	if opts.replicas < currentReplicas {
+		// Initialise a machine and container name resolver to properly format the plan output.
+		resolver, err := clusterClient.ServiceOperationNameResolver(ctx, svc)
+		if err != nil {
+			return fmt.Errorf("create machine and container name resolver for service operations: %w", err)
+		}
+
+		fmt.Printf("Scaling plan for service %s (%d → %d replicas):\n", svc.Name, currentReplicas, opts.replicas)
+		fmt.Println(plan.Format(resolver))
+		fmt.Println()
+
+		// Ask for confirmation before scaling down as it may cause data loss.
+		confirmed, err := confirm()
+		if err != nil {
+			return fmt.Errorf("confirm scaling: %w", err)
+		}
+		if !confirmed {
+			fmt.Println("Cancelled. No changes were made.")
+			return nil
+		}
+	}
+
+	title := fmt.Sprintf("Scaling service %s (%d → %d replicas)", svc.Name, currentReplicas, opts.replicas)
+	err = progress.RunWithTitle(ctx, func(ctx context.Context) error {
+		if _, err = deployment.Run(ctx); err != nil {
+			return fmt.Errorf("deploy service: %w", err)
+		}
+		return nil
+	}, uncli.ProgressOut(), title)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func confirm() (bool, error) {
+	var confirmed bool
+	form := huh.NewForm(
+		huh.NewGroup(
+			huh.NewConfirm().
+				Title(
+					"Do you want to continue?",
+				).
+				Affirmative("Yes!").
+				Negative("No").
+				Value(&confirmed),
+		),
+	)
+	if err := form.Run(); err != nil {
+		return false, err
+	}
+
+	return confirmed, nil
+}

cmd/uncloudd/main.go

@@ -7,9 +7,9 @@ import (
 	"os"
 	"os/signal"
 	"syscall"
-	"uncloud/internal/daemon"
-	"uncloud/internal/log"
-	"uncloud/internal/machine"
+	"github.com/psviderski/uncloud/internal/daemon"
+	"github.com/psviderski/uncloud/internal/log"
+	"github.com/psviderski/uncloud/internal/machine"
 )
 
 func main() {

docs/user_guide.md

@@ -0,0 +1,59 @@
+# User Guide
+
+## Initialising a cluster
+
+To begin setting up a new Uncloud cluster, create the desired nodes. Ensure that their firewall allows the required ports.
+
+### Ports
+
+Nodes running Uncloud with a standard configuration must have the following inbound ports allowed in the firewall:
+
+* 51820/udp (WireGuard meshnet)
+* 22/tcp (default SSH management port)
+* 80/tcp (required for challenge if uncloud.run DNS is enabled, pass --no-dns during init to disable)
+
+In addition, any ports for any workloads you want to expose will need to be open.
+
+### Configuration
+
+Uncloud stores its configuration in `~/.config/uncloud/config.toml`. If you wish to reinitialise a cluster, simply remove it from this config.
+
+### Initialisation
+
+Begin by initialising the first node in your cluster with `uc machine init [USER@HOST:PORT]`. If you do not have a need for Caddy reverse proxy, you may disable this feature with `--no-caddy`.
+
+This command will idempotently install Docker, uncloudd, uncloud-corrosion. If Caddy is enabled, it will set up a reverse proxy. If Uncloud DNS is enabled, it will create a DNS A record for the machine's public IP address under `*.[CLUSTER ID].cluster.uncloud.run`.
+
+If you wish to uninstall Uncloud and its components, run `uncloud-uninstall`.
+
+### Adding a node
+
+Just like the initialisation of the first node, a node can be added to the cluster with `uc machine add`.
+
+### DNS
+
+Uncloud (uncloud.run) DNS can be managed with the `uc dns` subcommand.
+
+* To reserve a domain name, run `uc dns reserve`
+* To release a domain name, run `uc dns release`.
+* To see the domain name, run `uc dns show`
+
+### Running a service
+
+Services on an Uncloud cluster can be managed with `uc service`.
+
+You can run a service with two replicas that expose port 80 like the following:
+
+```
+uc service run -p 80/http --replicas 2 nginxdemos/hello
+```
+
+This requires the Caddy reverse proxy to be deployed. If it wasn't previously, it can be deployed with `uc caddy deploy`.
+
+Since this doesn't specify a service name, a random one will be generated.
+
+The service can be deleted by its service name:
+
+```
+uc service rm hello-gsdo
+```

experiment/talos_discovery.go

@@ -11,7 +11,7 @@ import (
 	"go.uber.org/zap"
 	"net/netip"
 	"time"
-	"uncloud/internal/machine/network"
+	"github.com/psviderski/uncloud/internal/machine/network"
 )
 
 const (

go.mod

@@ -1,23 +1,27 @@
-module uncloud
+module github.com/psviderski/uncloud
 
-go 1.23
+go 1.23.0
 
 toolchain go1.23.2
 
 require (
 	github.com/BurntSushi/toml v1.4.0
+	github.com/Masterminds/semver v1.5.0
 	github.com/Masterminds/squirrel v1.5.4
 	github.com/caddyserver/caddy/v2 v2.8.4
 	github.com/cenkalti/backoff/v4 v4.3.0
 	github.com/charmbracelet/huh v0.6.0
+	github.com/compose-spec/compose-go/v2 v2.4.5
 	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
+	github.com/deckarep/golang-set/v2 v2.8.0
 	github.com/dgraph-io/badger/v3 v3.2103.5
 	github.com/distribution/reference v0.6.0
-	github.com/docker/cli v27.4.0-rc.4+incompatible
+	github.com/docker/cli v27.5.0+incompatible
 	github.com/docker/compose/v2 v2.31.0
 	github.com/docker/docker v27.4.0-rc.2+incompatible
 	github.com/docker/go-connections v0.5.0
 	github.com/docker/go-units v0.5.0
+	github.com/google/go-containerregistry v0.20.2
 	github.com/hashicorp/memberlist v0.5.1
 	github.com/hashicorp/serf v0.10.1
 	github.com/ipfs/boxo v0.21.0
@@ -27,7 +31,9 @@ require (
 	github.com/ipfs/go-ds-crdt v0.5.2
 	github.com/ipfs/go-ipld-format v0.6.0
 	github.com/ipfs/go-log/v2 v2.5.1
+	github.com/jmoiron/sqlx v1.4.0
 	github.com/lmittmann/tint v1.0.5
+	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/image-spec v1.1.0
 	github.com/siderolabs/discovery-api v0.1.4
 	github.com/siderolabs/discovery-client v0.1.9
@@ -37,15 +43,16 @@ require (
 	github.com/vishvananda/netlink v1.3.0
 	go.uber.org/zap v1.27.0
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
-	golang.org/x/crypto v0.31.0
-	golang.org/x/net v0.32.0
+	golang.org/x/crypto v0.32.0
+	golang.org/x/net v0.34.0
 	golang.org/x/sync v0.10.0
-	golang.org/x/sys v0.28.0
+	golang.org/x/sys v0.31.0
 	golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9
-	google.golang.org/grpc v1.68.0
-	google.golang.org/protobuf v1.36.0
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241209162323-e6fa225c2576
+	google.golang.org/grpc v1.68.1
+	google.golang.org/protobuf v1.36.3
+	modernc.org/sqlite v1.36.3
 )
 
 require (
@@ -81,7 +88,6 @@ require (
 	github.com/charmbracelet/x/term v0.2.0 // indirect
 	github.com/chzyer/readline v1.5.1 // indirect
 	github.com/cloudflare/cfssl v1.6.4 // indirect
-	github.com/compose-spec/compose-go/v2 v2.4.5 // indirect
 	github.com/containerd/console v1.0.4 // indirect
 	github.com/containerd/containerd v1.7.24 // indirect
 	github.com/containerd/containerd/api v1.7.19 // indirect
@@ -89,9 +95,10 @@ require (
 	github.com/containerd/errdefs v0.3.0 // indirect
 	github.com/containerd/log v0.1.0 // indirect
 	github.com/containerd/platforms v0.2.1 // indirect
+	github.com/containerd/stargz-snapshotter/estargz v0.16.3 // indirect
 	github.com/containerd/ttrpc v1.2.5 // indirect
 	github.com/containerd/typeurl/v2 v2.2.0 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.5 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.6 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0 // indirect
 	github.com/dgraph-io/badger v1.6.2 // indirect
@@ -115,7 +122,7 @@ require (
 	github.com/go-logfmt/logfmt v0.6.0 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/go-sql-driver/mysql v1.7.1 // indirect
+	github.com/go-sql-driver/mysql v1.8.1 // indirect
 	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
 	github.com/go-viper/mapstructure/v2 v2.0.0 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
@@ -129,11 +136,11 @@ require (
 	github.com/google/cel-go v0.20.1 // indirect
 	github.com/google/flatbuffers v24.3.25+incompatible // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
-	github.com/google/pprof v0.0.0-20241210010833-40e02aabc2ad // indirect
+	github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e // indirect
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/mux v1.8.1 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.24.0 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
 	github.com/hashicorp/go-msgpack v0.5.5 // indirect
@@ -194,6 +201,7 @@ require (
 	github.com/minio/sha256-simd v1.0.1 // indirect
 	github.com/mitchellh/cli v1.1.5 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/go-ps v1.0.0 // indirect
 	github.com/mitchellh/hashstructure/v2 v2.0.2 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
@@ -220,8 +228,8 @@ require (
 	github.com/multiformats/go-multistream v0.5.0 // indirect
 	github.com/multiformats/go-varint v0.0.7 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/ncruces/go-strftime v0.1.9 // indirect
 	github.com/onsi/ginkgo/v2 v2.22.0 // indirect
-	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
 	github.com/pires/go-proxyproto v0.7.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
@@ -235,6 +243,7 @@ require (
 	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/quic-go/qpack v0.5.1 // indirect
 	github.com/quic-go/quic-go v0.48.2 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/rs/xid v1.5.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
@@ -263,22 +272,27 @@ require (
 	github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea // indirect
 	github.com/tonistiigi/vt100 v0.0.0-20240514184818-90bafcd6abab // indirect
 	github.com/urfave/cli v1.22.16 // indirect
+	github.com/vbatts/tar-split v0.11.6 // indirect
 	github.com/vishvananda/netns v0.0.4 // indirect
+	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
+	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
+	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
 	github.com/zeebo/blake3 v0.2.4 // indirect
 	go.etcd.io/bbolt v1.3.11 // indirect
 	go.opencensus.io v0.24.0 // indirect
+	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.46.1 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.52.0 // indirect
-	go.opentelemetry.io/otel v1.32.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.58.0 // indirect
+	go.opentelemetry.io/otel v1.33.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v0.44.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.27.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.33.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.27.0 // indirect
-	go.opentelemetry.io/otel/metric v1.32.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.32.0 // indirect
+	go.opentelemetry.io/otel/metric v1.33.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.33.0 // indirect
 	go.opentelemetry.io/otel/sdk/metric v1.32.0 // indirect
-	go.opentelemetry.io/otel/trace v1.32.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.3.1 // indirect
+	go.opentelemetry.io/otel/trace v1.33.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.4.0 // indirect
 	go.step.sm/cli-utils v0.9.0 // indirect
 	go.step.sm/crypto v0.45.0 // indirect
 	go.step.sm/linkedca v0.20.1 // indirect
@@ -289,15 +303,18 @@ require (
 	golang.org/x/crypto/x509roots/fallback v0.0.0-20240507223354-67b13616a595 // indirect
 	golang.org/x/exp v0.0.0-20241215155358-4a5509556b9e // indirect
 	golang.org/x/mod v0.22.0 // indirect
-	golang.org/x/term v0.27.0 // indirect
+	golang.org/x/term v0.28.0 // indirect
 	golang.org/x/text v0.21.0 // indirect
 	golang.org/x/time v0.8.0 // indirect
-	golang.org/x/tools v0.28.0 // indirect
+	golang.org/x/tools v0.29.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
 	google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20241209162323-e6fa225c2576 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	gvisor.dev/gvisor v0.0.0-20230927004350-cbd86285d259 // indirect
 	howett.net/plist v1.0.0 // indirect
 	lukechampine.com/blake3 v1.3.0 // indirect
+	modernc.org/libc v1.61.13 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.8.2 // indirect
 )

go.sum

@@ -31,6 +31,8 @@ github.com/MakeNowJust/heredoc v1.0.0 h1:cXCdzVdstXyiTqTvfqk9SDHpKNjxuom+DOlyEeQ
 github.com/MakeNowJust/heredoc v1.0.0/go.mod h1:mG5amYoWBHf8vpLOuehzbGGw0EHxpZZ6lCpQ4fNJ8LE=
 github.com/Masterminds/goutils v1.1.1 h1:5nUrii3FMTL5diU80unEVvNevw1nH4+ZV4DSLVJLSYI=
 github.com/Masterminds/goutils v1.1.1/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU=
+github.com/Masterminds/semver v1.5.0 h1:H65muMkzWKEuNDnfl9d70GUjFniHKHRbFPGBuZ3QEww=
+github.com/Masterminds/semver v1.5.0/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y=
 github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
 github.com/Masterminds/semver/v3 v3.2.0/go.mod h1:qvl/7zhW3nngYb5+80sSMF+FG2BjYrf8m9wsX0PNOMQ=
 github.com/Masterminds/semver/v3 v3.2.1 h1:RN9w6+7QoMeJVGyfmbcgs28Br8cvmnucEXnY0rYXWg0=
@@ -199,9 +201,8 @@ github.com/containerd/nydus-snapshotter v0.14.0 h1:6/eAi6d7MjaeLLuMO8Udfe5GVsDud
 github.com/containerd/nydus-snapshotter v0.14.0/go.mod h1:TT4jv2SnIDxEBu4H2YOvWQHPOap031ydTaHTuvc5VQk=
 github.com/containerd/platforms v0.2.1 h1:zvwtM3rz2YHPQsF2CHYM8+KtB5dvhISiXh5ZpSBQv6A=
 github.com/containerd/platforms v0.2.1/go.mod h1:XHCb+2/hzowdiut9rkudds9bE5yJ7npe7dG/wG+uFPw=
-github.com/containerd/stargz-snapshotter v0.15.1 h1:fpsP4kf/Z4n2EYnU0WT8ZCE3eiKDwikDhL6VwxIlgeA=
-github.com/containerd/stargz-snapshotter/estargz v0.15.1 h1:eXJjw9RbkLFgioVaTG+G/ZW/0kEe2oEKCdS/ZxIyoCU=
-github.com/containerd/stargz-snapshotter/estargz v0.15.1/go.mod h1:gr2RNwukQ/S9Nv33Lt6UC7xEx58C+LHRdoqbEKjz1Kk=
+github.com/containerd/stargz-snapshotter/estargz v0.16.3 h1:7evrXtoh1mSbGj/pfRccTampEyKpjpOnS3CyiV1Ebr8=
+github.com/containerd/stargz-snapshotter/estargz v0.16.3/go.mod h1:uyr4BfYfOj3G9WBVE8cOlQmXAbPN9VEQpBBeJIuOipU=
 github.com/containerd/ttrpc v1.2.5 h1:IFckT1EFQoFBMG4c3sMdT8EP3/aKfumK1msY+Ze4oLU=
 github.com/containerd/ttrpc v1.2.5/go.mod h1:YCXHsb32f+Sq5/72xHubdiJRQY9inL4a4ZQrAbN1q9o=
 github.com/containerd/typeurl/v2 v2.2.0 h1:6NBDbQzr7I5LHgp34xAXYF5DOTQDn05X58lsPEmzLso=
@@ -218,8 +219,9 @@ github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSV
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/cpuguy83/go-md2man/v2 v2.0.5 h1:ZtcqGrnekaHpVLArFSe4HK5DoKx1T0rq2DwVB0alcyc=
 github.com/cpuguy83/go-md2man/v2 v2.0.5/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/cpuguy83/go-md2man/v2 v2.0.6 h1:XJtiaUW6dEEqVuZiMTn1ldk455QWwEIsMIJlo5vtkx0=
+github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/creack/pty v1.1.21 h1:1/QdRyBaHHJP61QkWMXlOIBfsgdDeeKfK8SYVUWJKf0=
@@ -231,6 +233,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davidlazar/go-crypto v0.0.0-20200604182044-b73af7476f6c h1:pFUpOrbxDR6AkioZ1ySsx5yxlDQZ8stG2b88gTPxgJU=
 github.com/davidlazar/go-crypto v0.0.0-20200604182044-b73af7476f6c/go.mod h1:6UhI8N9EjYm1c2odKpFpAYeR8dsBeM7PtzQhRgxRr9U=
+github.com/deckarep/golang-set/v2 v2.8.0 h1:swm0rlPCmdWn9mESxKOjWk8hXSqoxOp+ZlfuyaAdFlQ=
+github.com/deckarep/golang-set/v2 v2.8.0/go.mod h1:VAky9rY/yGXJOLEDv3OMci+7wtDpOF4IN+y82NBOac4=
 github.com/decred/dcrd/crypto/blake256 v1.0.1 h1:7PltbUIQB7u/FfZ39+DGa/ShuMyJ5ilcvdfma9wOH6Y=
 github.com/decred/dcrd/crypto/blake256 v1.0.1/go.mod h1:2OfgNZ5wDpcsFmHmCK5gZTPcCXqlm2ArzUIkw9czNJo=
 github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0 h1:rpfIENRNNilwHwZeG5+P150SMrnNEcHYvcCuK6dPZSg=
@@ -253,8 +257,8 @@ github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5Qvfr
 github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
 github.com/docker/buildx v0.18.0 h1:rSauXHeJt90NvtXrLK5J992Eb0UPJZs2vV3u1zTf1nE=
 github.com/docker/buildx v0.18.0/go.mod h1:JGNSshOhHs5FhG3u51jXUf4lLOeD2QBIlJ2vaRB67p4=
-github.com/docker/cli v27.4.0-rc.4+incompatible h1:nnrHCfd5eODviSGzCpIyYFcJovrq+/dVW4K4oqQu7WA=
-github.com/docker/cli v27.4.0-rc.4+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
+github.com/docker/cli v27.5.0+incompatible h1:aMphQkcGtpHixwwhAXJT1rrK/detk2JIvDaFkLctbGM=
+github.com/docker/cli v27.5.0+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
 github.com/docker/compose/v2 v2.31.0 h1:8Sm0c4MjIhksguxIA5koYMXoTJDAp/CaZ1cdZrMvMdw=
 github.com/docker/compose/v2 v2.31.0/go.mod h1:oQq3UDEdsnB3AUO72AxaoeLbkCgmUu1+8tLzvmphmXA=
 github.com/docker/distribution v2.7.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
@@ -330,8 +334,8 @@ github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ4
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/go-sql-driver/mysql v1.3.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
-github.com/go-sql-driver/mysql v1.7.1 h1:lUIinVbN1DY0xBg0eMOzmmtGoHwWBbvnWubQUrtU8EI=
-github.com/go-sql-driver/mysql v1.7.1/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
+github.com/go-sql-driver/mysql v1.8.1 h1:LedoTUt/eveggdHS9qUFC1EFSa8bU2+1pZjSRpvNJ1Y=
+github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
 github.com/go-stack/stack v1.6.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/go-task/slim-sprig/v3 v3.0.0 h1:sUs3vkvUymDpBKi3qH1YSqBQk9+9D/8M2mN1vB6EwHI=
@@ -395,6 +399,8 @@ github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-containerregistry v0.20.2 h1:B1wPJ1SN/S7pB+ZAimcciVD+r+yV/l/DSArMxlbwseo=
+github.com/google/go-containerregistry v0.20.2/go.mod h1:z38EKdKh4h7IP2gSfUUqEvalZBqs6AoLeWfUy34nQC8=
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@@ -404,8 +410,8 @@ github.com/google/go-tspi v0.3.0/go.mod h1:xfMGI3G0PhxCdNVcYr1C4C+EizojDg/TXuX5b
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@@ -427,8 +433,8 @@ github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
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@@ -593,8 +599,8 @@ github.com/jinzhu/gorm v0.0.0-20170222002820-5409931a1bb8/go.mod h1:Vla75njaFJ8c
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@@ -635,8 +641,9 @@ github.com/lib/pq v0.0.0-20150723085316-0dad96c0b94f/go.mod h1:5WUZQaWbwv1U+lTRe
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@@ -697,6 +704,8 @@ github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh
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@@ -731,6 +740,7 @@ github.com/mitchellh/cli v1.1.5/go.mod h1:v8+iFts2sPIKUV1ltktPXMCC8fumSKFItNcD2c
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@@ -804,6 +814,8 @@ github.com/multiformats/go-varint v0.0.7/go.mod h1:r8PUYw/fD/SjBCiKOoDlGF6QawOEL
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@@ -920,12 +932,14 @@ github.com/quic-go/webtransport-go v0.8.0 h1:HxSrwun11U+LlmwpgM1kEqIqH90IT4N8auv
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@@ -1052,8 +1066,8 @@ github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljT
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@@ -1064,6 +1078,13 @@ github.com/warpfork/go-wish v0.0.0-20220906213052-39a1cc7a02d0 h1:GDDkbFiaK8jsSD
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@@ -1085,32 +1106,34 @@ go.etcd.io/bbolt v1.3.11/go.mod h1:dksAq7YMXoljX0xu6VF5DMZGbhYYoLUalEiSySYAS4I=
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+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.58.0/go.mod h1:umTcuxiv1n/s/S6/c2AT/g2CQ7u5C59sHDNmfSwgz7Q=
+go.opentelemetry.io/otel v1.33.0 h1:/FerN9bax5LoK51X/sI0SVYrjSE0/yUL7DpxW4K3FWw=
+go.opentelemetry.io/otel v1.33.0/go.mod h1:SUUkR6csvUQl+yjReHu5uM3EtVV7MBm5FHKRlNx4I8I=
 go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v0.44.0 h1:jd0+5t/YynESZqsSyPz+7PAFdEop0dlN0+PkyHYo8oI=
 go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v0.44.0/go.mod h1:U707O40ee1FpQGyhvqnzmCJm1Wh6OX6GGBVn0E6Uyyk=
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-go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.27.0/go.mod h1:OQFyQVrDlbe+R7xrEyDr/2Wr67Ol0hRUgsfA+V5A95s=
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 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.27.0 h1:qFffATk0X+HD+f1Z8lswGiOQYKHRlzfmdJm0wEaVrFA=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.27.0/go.mod h1:MOiCmryaYtc+V0Ei+Tx9o5S1ZjA7kzLucuVuyzBZloQ=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.27.0 h1:QY7/0NeRPKlzusf40ZE4t1VlMKbqSNT7cJRYzWuja0s=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.27.0/go.mod h1:HVkSiDhTM9BoUJU8qE6j2eSWLLXvi1USXjyd2BXT8PY=
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-go.opentelemetry.io/otel/metric v1.32.0/go.mod h1:jH7CIbbK6SH2V2wE16W05BHCtIDzauciCRLoc/SyMv8=
-go.opentelemetry.io/otel/sdk v1.32.0 h1:RNxepc9vK59A8XsgZQouW8ue8Gkb4jpWtJm9ge5lEG4=
-go.opentelemetry.io/otel/sdk v1.32.0/go.mod h1:LqgegDBjKMmb2GC6/PrTnteJG39I8/vJCAP9LlJXEjU=
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+go.opentelemetry.io/otel/metric v1.33.0/go.mod h1:L9+Fyctbp6HFTddIxClbQkjtubW6O9QS3Ann/M82u6M=
+go.opentelemetry.io/otel/sdk v1.33.0 h1:iax7M131HuAm9QkZotNHEfstof92xM+N8sr3uHXc2IM=
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 go.opentelemetry.io/otel/sdk/metric v1.32.0 h1:rZvFnvmvawYb0alrYkjraqJq0Z4ZUJAiyYCU9snn1CU=
 go.opentelemetry.io/otel/sdk/metric v1.32.0/go.mod h1:PWeZlq0zt9YkYAp3gjKZ0eicRYvOh1Gd+X99x6GHpCQ=
-go.opentelemetry.io/otel/trace v1.32.0 h1:WIC9mYrXf8TmY/EXuULKc8hR17vE+Hjv2cssQDe03fM=
-go.opentelemetry.io/otel/trace v1.32.0/go.mod h1:+i4rkvCraA+tG6AzwloGaCtkx53Fa+L+V8e9a7YvhT8=
-go.opentelemetry.io/proto/otlp v1.3.1 h1:TrMUixzpM0yuc/znrFTP9MMRh8trP93mkCiDVeXrui0=
-go.opentelemetry.io/proto/otlp v1.3.1/go.mod h1:0X1WI4de4ZsLrrJNLAQbFeLCm3T7yBkR0XqQ7niQU+8=
+go.opentelemetry.io/otel/trace v1.33.0 h1:cCJuF7LRjUFso9LPnEAHJDB2pqzp+hbO8eu1qqW2d/s=
+go.opentelemetry.io/otel/trace v1.33.0/go.mod h1:uIcdVUZMpTAmz0tI1z04GoVSezK37CbGV4fr1f2nBck=
+go.opentelemetry.io/proto/otlp v1.4.0 h1:TA9WRvW6zMwP+Ssb6fLoUIuirti1gGbP28GcKG1jgeg=
+go.opentelemetry.io/proto/otlp v1.4.0/go.mod h1:PPBWZIP98o2ElSqI35IHfu7hIhSwvc5N38Jw8pXuGFY=
 go.step.sm/cli-utils v0.9.0 h1:55jYcsQbnArNqepZyAwcato6Zy2MoZDRkWW+jF+aPfQ=
 go.step.sm/cli-utils v0.9.0/go.mod h1:Y/CRoWl1FVR9j+7PnAewufAwKmBOTzR6l9+7EYGAnp8=
 go.step.sm/crypto v0.45.0 h1:Z0WYAaaOYrJmKP9sJkPW+6wy3pgN3Ija8ek/D4serjc=
@@ -1171,8 +1194,8 @@ golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5y
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.3.0/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
 golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
-golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U=
-golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
+golang.org/x/crypto v0.32.0 h1:euUpcYgM8WcP71gNpTqQCn6rC2t6ULUPiOzfWaXVVfc=
+golang.org/x/crypto v0.32.0/go.mod h1:ZnnJkOaASj8g0AjIduWNlq2NRxL0PlBrbKVyZ6V/Ugc=
 golang.org/x/crypto/x509roots/fallback v0.0.0-20240507223354-67b13616a595 h1:TgSqweA595vD0Zt86JzLv3Pb/syKg8gd5KMGGbJPYFw=
 golang.org/x/crypto/x509roots/fallback v0.0.0-20240507223354-67b13616a595/go.mod h1:kNa9WdvYnzFwC79zRpLRMJbdEFlhyM5RPFBBZp/wWH8=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -1212,8 +1235,8 @@ golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug
 golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
-golang.org/x/net v0.32.0 h1:ZqPmj8Kzc+Y6e0+skZsuACbx+wzMgo5MQsJh9Qd6aYI=
-golang.org/x/net v0.32.0/go.mod h1:CwU0IoeOlnQQWJ6ioyFrfRuomB8GKF6KbYXZVyeXNfs=
+golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0=
+golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.24.0 h1:KTBBxWqUa0ykRPLtV69rRto9TLXcqYkeswu48x/gvNE=
 golang.org/x/oauth2 v0.24.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
@@ -1276,8 +1299,8 @@ golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
-golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
+golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
@@ -1285,8 +1308,8 @@ golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
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-golang.org/x/term v0.27.0 h1:WP60Sv1nlK1T6SupCHbXzSaN0b9wUmsPoRS9b61A23Q=
-golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=
+golang.org/x/term v0.28.0 h1:/Ts8HFuMR2E6IP/jlo7QVLZHggjKQbhu/7H0LJFr3Gg=
+golang.org/x/term v0.28.0/go.mod h1:Sw/lC2IAUZ92udQNf3WodGtn4k/XoLyZoh8v/8uiwek=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@@ -1320,8 +1343,8 @@ golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
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 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.28.0 h1:WuB6qZ4RPCQo5aP3WdKZS7i595EdWqWR8vqJTlwTVK8=
-golang.org/x/tools v0.28.0/go.mod h1:dcIOrVd3mfQKTgrDVQHqCPMWy6lnhfhtX3hLXYVLfRw=
+golang.org/x/tools v0.29.0 h1:Xx0h3TtM9rzQpQuR4dKLrdglAmCEN5Oi+P74JdhdzXE=
+golang.org/x/tools v0.29.0/go.mod h1:KMQVMRsVxU6nHCFXrBPhDB8XncLNLM0lIy/F14RP588=
 golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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@@ -1344,10 +1367,10 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
 google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda h1:wu/KJm9KJwpfHWhkkZGohVC6KRrc1oJNr4jwtQMOQXw=
 google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda/go.mod h1:g2LLCvCeCSir/JJSWosk19BR4NVxGqHUC6rxIRsd7Aw=
-google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1 h1:hjSy6tcFQZ171igDaN5QHOw2n6vx40juYbC/x67CEhc=
-google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:qpvKtACPCQhAdu3PyQgV4l3LMXZEtft7y8QcarRsp9I=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9 h1:QCqS/PdaHTSWGvupk2F/ehwHtGc0/GYkT+3GAcR1CCc=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9/go.mod h1:GX3210XPVPUjJbTUbvwI8f2IpZDMZuPJWDzDuebbviI=
+google.golang.org/genproto/googleapis/api v0.0.0-20241209162323-e6fa225c2576 h1:CkkIfIt50+lT6NHAVoRYEyAvQGFM7xEwXUUywFvEb3Q=
+google.golang.org/genproto/googleapis/api v0.0.0-20241209162323-e6fa225c2576/go.mod h1:1R3kvZ1dtP3+4p4d3G8uJ8rFk/fWlScl38vanWACI08=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241209162323-e6fa225c2576 h1:8ZmaLZE4XWrtU3MyClkYqqtl6Oegr3235h7jxsDyqCY=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241209162323-e6fa225c2576/go.mod h1:5uTbfoYQed2U9p3KIj2/Zzm02PYhndfdmML0qC3q3FU=
 google.golang.org/grpc v1.0.5/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
@@ -1355,8 +1378,8 @@ google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.68.0 h1:aHQeeJbo8zAkAa3pRzrVjZlbz6uSfeOXlJNQM0RAbz0=
-google.golang.org/grpc v1.68.0/go.mod h1:fmSPC5AsjSBCK54MyHRx48kpOti1/jRfOlwEWywNjWA=
+google.golang.org/grpc v1.68.1 h1:oI5oTa11+ng8r8XMMN7jAOmWfPZWbYpCFaMUTACxkM0=
+google.golang.org/grpc v1.68.1/go.mod h1:+q1XYFJjShcqn0QZHvCyeR4CXPA+llXIeUIfIe00waw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -1366,8 +1389,8 @@ google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-google.golang.org/protobuf v1.36.0 h1:mjIs9gYtt56AzC4ZaffQuh88TZurBGhIJMBZGSxNerQ=
-google.golang.org/protobuf v1.36.0/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+google.golang.org/protobuf v1.36.3 h1:82DV7MYdb8anAVi3qge1wSnMDrnKK7ebr+I0hHRN1BU=
+google.golang.org/protobuf v1.36.3/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/cenkalti/backoff.v2 v2.2.1 h1:eJ9UAg01/HIHG987TwxvnzK2MgxXq97YY6rYDpY9aII=
@@ -1413,3 +1436,27 @@ k8s.io/klog/v2 v2.110.1 h1:U/Af64HJf7FcwMcXyKm2RPM22WZzyR7OSpYj5tg3cL0=
 k8s.io/klog/v2 v2.110.1/go.mod h1:YGtd1984u+GgbuZ7e08/yBuAfKLSO0+uR1Fhi6ExXjo=
 lukechampine.com/blake3 v1.3.0 h1:sJ3XhFINmHSrYCgl958hscfIa3bw8x4DqMP3u1YvoYE=
 lukechampine.com/blake3 v1.3.0/go.mod h1:0OFRp7fBtAylGVCO40o87sbupkyIGgbpv1+M1k1LM6k=
+modernc.org/cc/v4 v4.24.4 h1:TFkx1s6dCkQpd6dKurBNmpo+G8Zl4Sq/ztJ+2+DEsh0=
+modernc.org/cc/v4 v4.24.4/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
+modernc.org/ccgo/v4 v4.23.16 h1:Z2N+kk38b7SfySC1ZkpGLN2vthNJP1+ZzGZIlH7uBxo=
+modernc.org/ccgo/v4 v4.23.16/go.mod h1:nNma8goMTY7aQZQNTyN9AIoJfxav4nvTnvKThAeMDdo=
+modernc.org/fileutil v1.3.0 h1:gQ5SIzK3H9kdfai/5x41oQiKValumqNTDXMvKo62HvE=
+modernc.org/fileutil v1.3.0/go.mod h1:XatxS8fZi3pS8/hKG2GH/ArUogfxjpEKs3Ku3aK4JyQ=
+modernc.org/gc/v2 v2.6.3 h1:aJVhcqAte49LF+mGveZ5KPlsp4tdGdAOT4sipJXADjw=
+modernc.org/gc/v2 v2.6.3/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito=
+modernc.org/libc v1.61.13 h1:3LRd6ZO1ezsFiX1y+bHd1ipyEHIJKvuprv0sLTBwLW8=
+modernc.org/libc v1.61.13/go.mod h1:8F/uJWL/3nNil0Lgt1Dpz+GgkApWh04N3el3hxJcA6E=
+modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
+modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
+modernc.org/memory v1.8.2 h1:cL9L4bcoAObu4NkxOlKWBWtNHIsnnACGF/TbqQ6sbcI=
+modernc.org/memory v1.8.2/go.mod h1:ZbjSvMO5NQ1A2i3bWeDiVMxIorXwdClKE/0SZ+BMotU=
+modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8=
+modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
+modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
+modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
+modernc.org/sqlite v1.36.3 h1:qYMYlFR+rtLDUzuXoST1SDIdEPbX8xzuhdF90WsX1ss=
+modernc.org/sqlite v1.36.3/go.mod h1:ADySlx7K4FdY5MaJcEv86hTJ0PjedAloTUuif0YS3ws=
+modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
+modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
+modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=
+modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=

internal/api/service.go

@@ -1,103 +0,0 @@
-package api
-
-import (
-	"encoding/json"
-	"fmt"
-	"github.com/distribution/reference"
-	"reflect"
-	"uncloud/internal/machine/api/pb"
-)
-
-const (
-	ServiceModeReplicated = "replicated"
-	ServiceModeGlobal     = "global"
-)
-
-type ServiceSpec struct {
-	Container ContainerSpec
-	// Mode is the replication mode of the service. Default is ServiceModeReplicated if empty.
-	Mode string
-	Name string
-	// Ports defines what service ports to publish to make the service accessible outside the cluster.
-	Ports []PortSpec
-}
-
-func (s *ServiceSpec) Validate() error {
-	if err := s.Container.Validate(); err != nil {
-		return err
-	}
-
-	switch s.Mode {
-	case "", ServiceModeGlobal, ServiceModeReplicated:
-	default:
-		return fmt.Errorf("invalid mode: %q", s.Mode)
-	}
-
-	// TODO: validate there is no conflict between ports.
-
-	return nil
-}
-
-func (s *ServiceSpec) Equals(spec ServiceSpec) bool {
-	// TODO: ignore order of ports.
-	return reflect.DeepEqual(*s, spec)
-}
-
-type ContainerSpec struct {
-	Command []string
-	Image   string
-	// Run a custom init inside the container. If nil, use the daemon's configured settings.
-	Init *bool
-	// List of volumes to bind mount into the container.
-	Volumes []string
-}
-
-func (s *ContainerSpec) Validate() error {
-	if _, err := reference.ParseDockerRef(s.Image); err != nil {
-		return fmt.Errorf("invalid image: %w", err)
-	}
-
-	return nil
-}
-
-type Service struct {
-	ID         string
-	Name       string
-	Mode       string
-	Containers []MachineContainer
-}
-
-type MachineContainer struct {
-	MachineID string
-	Container Container
-}
-
-func ServiceFromProto(s *pb.Service) (Service, error) {
-	var err error
-	containers := make([]MachineContainer, len(s.Containers))
-	for i, sc := range s.Containers {
-		containers[i], err = machineContainerFromProto(sc)
-		if err != nil {
-			return Service{}, err
-		}
-	}
-
-	return Service{
-		ID:         s.Id,
-		Name:       s.Name,
-		Mode:       s.Mode,
-		Containers: containers,
-	}, nil
-}
-
-func machineContainerFromProto(sc *pb.Service_Container) (MachineContainer, error) {
-	var c Container
-	if err := json.Unmarshal(sc.Container, &c); err != nil {
-		return MachineContainer{}, fmt.Errorf("unmarshal container: %w", err)
-	}
-
-	return MachineContainer{
-		MachineID: sc.MachineId,
-		Container: c,
-	}, nil
-}

internal/cli/cli.go

@@ -4,14 +4,17 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"github.com/docker/cli/cli/streams"
+	"github.com/psviderski/uncloud/internal/cli/config"
+	"github.com/psviderski/uncloud/internal/fs"
+	"github.com/psviderski/uncloud/internal/machine"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/internal/sshexec"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/psviderski/uncloud/pkg/client"
+	"github.com/psviderski/uncloud/pkg/client/connector"
 	"net/netip"
-	"uncloud/internal/cli/client"
-	"uncloud/internal/cli/client/connector"
-	"uncloud/internal/cli/config"
-	"uncloud/internal/fs"
-	"uncloud/internal/machine"
-	"uncloud/internal/machine/api/pb"
-	"uncloud/internal/sshexec"
+	"os"
 
 	"github.com/charmbracelet/huh"
 	"google.golang.org/protobuf/types/known/emptypb"
@@ -21,13 +24,22 @@ const defaultClusterName = "default"
 
 type CLI struct {
 	config *config.Config
+	conn   *config.MachineConnection
 }
 
-func New(configPath string) (*CLI, error) {
+// New creates a new CLI instance with the given config path or remote machine connection.
+// If the connection is provided, the config is ignored for all operations which is useful for interacting with
+// a cluster without creating a config.
+func New(configPath string, conn *config.MachineConnection) (*CLI, error) {
+	if conn != nil {
+		return &CLI{conn: conn}, nil
+	}
+
 	cfg, err := config.NewFromFile(configPath)
 	if err != nil {
 		return nil, fmt.Errorf("read Uncloud config: %w", err)
 	}
+
 	return &CLI{
 		config: cfg,
 	}, nil
@@ -45,13 +57,19 @@ func (cli *CLI) CreateCluster(name string) error {
 
 func (cli *CLI) SetCurrentCluster(name string) error {
 	if _, ok := cli.config.Clusters[name]; !ok {
-		return client.ErrNotFound
+		return api.ErrNotFound
 	}
 	cli.config.CurrentCluster = name
 	return cli.config.Save()
 }
 
+// ConnectCluster connects to a cluster using the given cluster name or the current cluster if not specified.
+// If the CLI was initialised with a machine connection, the config is ignored and the connection is used instead.
 func (cli *CLI) ConnectCluster(ctx context.Context, clusterName string) (*client.Client, error) {
+	if cli.conn != nil {
+		return connectCluster(ctx, *cli.conn)
+	}
+
 	if len(cli.config.Clusters) == 0 {
 		return nil, errors.New(
 			"no clusters found in the Uncloud config. " +
@@ -86,6 +104,16 @@ func (cli *CLI) ConnectCluster(ctx context.Context, clusterName string) (*client
 
 	// TODO: iterate over all connections and try to connect to the cluster using the first successful connection.
 	conn := cfg.Connections[0]
+
+	c, err := connectCluster(ctx, conn)
+	if err != nil {
+		return nil, errors.New("no valid connection configuration found for the cluster")
+	}
+
+	return c, nil
+}
+
+func connectCluster(ctx context.Context, conn config.MachineConnection) (*client.Client, error) {
 	if conn.SSH != "" {
 		user, host, port, err := conn.SSH.Parse()
 		if err != nil {
@@ -104,43 +132,61 @@ func (cli *CLI) ConnectCluster(ctx context.Context, clusterName string) (*client
 	} else if conn.TCP.IsValid() {
 		return client.New(ctx, connector.NewTCPConnector(conn.TCP))
 	}
-	return nil, errors.New("no valid connection configuration found for the cluster")
+
+	return nil, errors.New("connection configuration is invalid")
 }
 
+// InitCluster initialises a new cluster on a remote machine and returns a client to interact with the cluster.
+// The client should be closed after use by the caller.
 func (cli *CLI) InitCluster(
-	ctx context.Context, remoteMachine *RemoteMachine, clusterName, machineName string, netPrefix netip.Prefix,
-) error {
+	ctx context.Context,
+	remoteMachine *RemoteMachine,
+	clusterName,
+	machineName string,
+	netPrefix netip.Prefix,
+	publicIP *netip.Addr,
+) (*client.Client, error) {
 	if remoteMachine != nil {
-		return cli.initRemoteMachine(ctx, *remoteMachine, clusterName, machineName, netPrefix)
+		return cli.initRemoteMachine(ctx, *remoteMachine, clusterName, machineName, netPrefix, publicIP)
 	}
 	// TODO: implement local machine initialisation
-	return fmt.Errorf("local machine initialisation is not implemented yet")
+	return nil, fmt.Errorf("local machine initialisation is not implemented yet")
 }
 
 func (cli *CLI) initRemoteMachine(
-	ctx context.Context, remoteMachine RemoteMachine, clusterName, machineName string, netPrefix netip.Prefix,
-) error {
+	ctx context.Context,
+	remoteMachine RemoteMachine,
+	clusterName,
+	machineName string,
+	netPrefix netip.Prefix,
+	publicIP *netip.Addr,
+) (*client.Client, error) {
 	if clusterName == "" {
 		clusterName = defaultClusterName
 	}
 	if _, ok := cli.config.Clusters[clusterName]; ok {
-		return fmt.Errorf("cluster %q already exists", clusterName)
+		return nil, fmt.Errorf("cluster %q already exists", clusterName)
 	}
 
 	machineClient, err := cli.provisionRemoteMachine(ctx, remoteMachine)
 	if err != nil {
-		return err
+		return nil, err
 	}
-	defer machineClient.Close()
+	// Ensure machineClient is closed on error.
+	defer func() {
+		if err != nil {
+			machineClient.Close()
+		}
+	}()
 
 	// Check if the machine is already initialised as a cluster member and prompt the user to reset it first.
 	minfo, err := machineClient.Inspect(ctx, &emptypb.Empty{})
 	if err != nil {
-		return fmt.Errorf("inspect machine: %w", err)
+		return nil, fmt.Errorf("inspect machine: %w", err)
 	}
 	if minfo.Id != "" {
 		if err = cli.promptResetMachine(); err != nil {
-			return err
+			return nil, err
 		}
 	}
 
@@ -148,19 +194,28 @@ func (cli *CLI) initRemoteMachine(
 		MachineName: machineName,
 		Network:     pb.NewIPPrefix(netPrefix),
 	}
+	if publicIP != nil {
+		if publicIP.IsValid() {
+			req.PublicIpConfig = &pb.InitClusterRequest_PublicIp{PublicIp: pb.NewIP(*publicIP)}
+		} else {
+			// Invalid or in other words zero IP means to automatically detect the public IP.
+			req.PublicIpConfig = &pb.InitClusterRequest_PublicIpAuto{PublicIpAuto: true}
+		}
+	}
+
 	resp, err := machineClient.InitCluster(ctx, req)
 	if err != nil {
-		return fmt.Errorf("init cluster: %w", err)
+		return nil, fmt.Errorf("init cluster: %w", err)
 	}
 	fmt.Printf("Cluster %q initialised with machine %q\n", clusterName, resp.Machine.Name)
 
 	if err = cli.CreateCluster(clusterName); err != nil {
-		return fmt.Errorf("save cluster to config: %w", err)
+		return nil, fmt.Errorf("save cluster to config: %w", err)
 	}
 	// Set the current cluster to the just created one if it is the only cluster in the config.
 	if len(cli.config.Clusters) == 1 {
 		if err = cli.SetCurrentCluster(clusterName); err != nil {
-			return fmt.Errorf("set current cluster: %w", err)
+			return nil, fmt.Errorf("set current cluster: %w", err)
 		}
 	}
 
@@ -171,44 +226,50 @@ func (cli *CLI) initRemoteMachine(
 	}
 	cli.config.Clusters[clusterName].Connections = append(cli.config.Clusters[clusterName].Connections, connCfg)
 	if err = cli.config.Save(); err != nil {
-		return fmt.Errorf("save config: %w", err)
+		return nil, fmt.Errorf("save config: %w", err)
 	}
-	return nil
+	return machineClient, nil
 }
 
-func (cli *CLI) AddMachine(ctx context.Context, remoteMachine RemoteMachine, clusterName, machineName string) error {
+// AddMachine provisions a remote machine and adds it to the cluster. It returns a client to interact with the machine
+// which should be closed after use by the caller.
+func (cli *CLI) AddMachine(
+	ctx context.Context, remoteMachine RemoteMachine, clusterName, machineName string, publicIP *netip.Addr,
+) (*client.Client, error) {
 	c, err := cli.ConnectCluster(ctx, clusterName)
 	if err != nil {
-		return fmt.Errorf("connect to cluster: %w", err)
+		return nil, fmt.Errorf("connect to cluster: %w", err)
 	}
-	defer func() {
-		_ = c.Close()
-	}()
+	defer c.Close()
 
 	machineClient, err := cli.provisionRemoteMachine(ctx, remoteMachine)
 	if err != nil {
-		return err
+		return nil, err
 	}
-	defer machineClient.Close()
+	defer func() {
+		if err != nil {
+			machineClient.Close()
+		}
+	}()
 
 	// Check if the machine is already initialised as a cluster member and prompt the user to reset it first.
 	minfo, err := machineClient.Inspect(ctx, &emptypb.Empty{})
 	if err != nil {
-		return fmt.Errorf("inspect machine: %w", err)
+		return nil, fmt.Errorf("inspect machine: %w", err)
 	}
 	if minfo.Id != "" {
 		if err = cli.promptResetMachine(); err != nil {
-			return err
+			return nil, err
 		}
 	}
 
 	tokenResp, err := machineClient.Token(ctx, &emptypb.Empty{})
 	if err != nil {
-		return fmt.Errorf("get remote machine token: %w", err)
+		return nil, fmt.Errorf("get remote machine token: %w", err)
 	}
 	token, err := machine.ParseToken(tokenResp.Token)
 	if err != nil {
-		return fmt.Errorf("parse remote machine token: %w", err)
+		return nil, fmt.Errorf("parse remote machine token: %w", err)
 	}
 
 	// Register the machine in the cluster using its public key and endpoints from the token.
@@ -223,15 +284,24 @@ func (cli *CLI) AddMachine(ctx context.Context, remoteMachine RemoteMachine, clu
 			PublicKey: token.PublicKey,
 		},
 	}
+	if publicIP != nil {
+		if publicIP.IsValid() {
+			addReq.PublicIp = pb.NewIP(*publicIP)
+		} else if token.PublicIP.IsValid() {
+			// Invalid or in other words zero IP means to use an automatically detected public IP from the token.
+			addReq.PublicIp = pb.NewIP(token.PublicIP)
+		}
+	}
+
 	addResp, err := c.AddMachine(ctx, addReq)
 	if err != nil {
-		return fmt.Errorf("add machine to cluster: %w", err)
+		return nil, fmt.Errorf("add machine to cluster: %w", err)
 	}
 
 	// List other machines in the cluster to include them in the join request.
 	machines, err := c.ListMachines(ctx)
 	if err != nil {
-		return fmt.Errorf("list cluster machines: %w", err)
+		return nil, fmt.Errorf("list cluster machines: %w", err)
 	}
 	otherMachines := make([]*pb.MachineInfo, 0, len(machines)-1)
 	for _, m := range machines {
@@ -246,7 +316,7 @@ func (cli *CLI) AddMachine(ctx context.Context, remoteMachine RemoteMachine, clu
 		OtherMachines: otherMachines,
 	}
 	if _, err = machineClient.JoinCluster(ctx, joinReq); err != nil {
-		return fmt.Errorf("join cluster: %w", err)
+		return nil, fmt.Errorf("join cluster: %w", err)
 	}
 
 	fmt.Printf("Machine %q added to cluster\n", addResp.Machine.Name)
@@ -261,10 +331,10 @@ func (cli *CLI) AddMachine(ctx context.Context, remoteMachine RemoteMachine, clu
 	}
 	cli.config.Clusters[clusterName].Connections = append(cli.config.Clusters[clusterName].Connections, connCfg)
 	if err = cli.config.Save(); err != nil {
-		return fmt.Errorf("save config: %w", err)
+		return nil, fmt.Errorf("save config: %w", err)
 	}
 
-	return nil
+	return machineClient, nil
 }
 
 // provisionRemoteMachine installs the Uncloud daemon and dependencies on the remote machine over SSH and returns
@@ -328,3 +398,8 @@ func (cli *CLI) promptResetMachine() error {
 	// TODO: implement resetting the remote machine.
 	return fmt.Errorf("resetting the remote machine is not implemented yet")
 }
+
+// ProgressOut returns an output stream for progress writer.
+func (cli *CLI) ProgressOut() *streams.Out {
+	return streams.NewOut(os.Stdout)
+}

internal/cli/client/strategy.go

@@ -1,186 +0,0 @@
-package client
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"uncloud/internal/api"
-	"uncloud/internal/machine/api/pb"
-	"uncloud/internal/secret"
-)
-
-// Strategy defines how a service should be deployed or updated. Different implementations can provide various
-// deployment patterns such as rolling updates, blue/green deployments, etc.
-type Strategy interface {
-	// Plan returns the operation to reconcile the service to the desired state.
-	// If the service does not exist (new deployment), svc will be nil.
-	Plan(ctx context.Context, cli *Client, svc *api.Service, spec api.ServiceSpec) (Plan, error)
-}
-
-// RollingStrategy implements a rolling update deployment pattern where containers are updated one at a time
-// to minimize service disruption.
-type RollingStrategy struct{}
-
-func (s *RollingStrategy) Plan(
-	ctx context.Context, cli *Client, svc *api.Service, spec api.ServiceSpec,
-) (Plan, error) {
-	switch spec.Mode {
-	case "", api.ServiceModeReplicated:
-		return s.planReplicated(ctx, cli, svc, spec)
-	case api.ServiceModeGlobal:
-		return s.planGlobal(ctx, cli, svc, spec)
-	default:
-		return Plan{}, fmt.Errorf("unsupported service mode: %s", spec.Mode)
-	}
-}
-
-// planReplicated creates a plan for a replicated service deployment.
-func (s *RollingStrategy) planReplicated(
-	ctx context.Context, cli *Client, svc *api.Service, spec api.ServiceSpec,
-) (Plan, error) {
-	return Plan{}, errors.New("not implemented")
-}
-
-// planGlobal creates a plan for a global service deployment, ensuring one container runs on each available machine.
-// For machines with an existing container, it attempts to start a new container before removing the old one if
-// possible. If the new container would have port conflicts with the existing one, the old container is removed first.
-// It handles multiple containers per machine (though this should not occur in normal operation) and skips machines
-// that are down.
-func (s *RollingStrategy) planGlobal(
-	ctx context.Context, cli *Client, svc *api.Service, spec api.ServiceSpec,
-) (Plan, error) {
-	var plan Plan
-	// Map machineID to service containers on that machine. For the global mode, there should be at most one
-	// container per machine but we use a slice to handle multiple containers that may exist due to a bug
-	// or interruption in the previous deployment.
-	containersOnMachine := make(map[string][]api.MachineContainer)
-	if svc != nil {
-		plan.ServiceID = svc.ID
-		for _, c := range svc.Containers {
-			containersOnMachine[c.MachineID] = append(containersOnMachine[c.MachineID], c)
-		}
-	} else {
-		// Generate a new service ID for the first service deployment.
-		var err error
-		plan.ServiceID, err = secret.NewID()
-		if err != nil {
-			return plan, fmt.Errorf("generate service ID: %w", err)
-		}
-	}
-
-	machines, err := cli.ListMachines(ctx)
-	if err != nil {
-		return plan, fmt.Errorf("list machines: %w", err)
-	}
-
-	seqOp := &SequenceOperation{}
-	// TODO: figure out how to return a warning if there are machines down. Embed the machinesDown in the plan?
-	//  WARNING: failed to run a service container on machine '%s' which is Down.
-	var machinesDown []*pb.MachineInfo
-	for _, m := range machines {
-		// Skip machines that are down but collect them to report a warning later.
-		if m.State == pb.MachineMember_DOWN {
-			machinesDown = append(machinesDown, m.Machine)
-			continue
-		}
-
-		containers := containersOnMachine[m.Machine.Id]
-		ops, err := reconcileGlobalContainer(containers, spec, plan.ServiceID, m.Machine.Id)
-		if err != nil {
-			return plan, err
-		}
-		seqOp.Operations = append(seqOp.Operations, ops...)
-	}
-	plan.Operation = seqOp
-
-	return plan, nil
-}
-
-// reconcileGlobalContainer returns a sequence of operations to reconcile containers on a machine for a global service.
-// It ensures exactly one container with the desired spec is running on the machine by creating a new container and
-// removing old ones. If there is a host port conflict, it stops the old container before starting a new one.
-func reconcileGlobalContainer(
-	containers []api.MachineContainer, spec api.ServiceSpec, serviceID, machineID string,
-) ([]Operation, error) {
-	var ops []Operation
-
-	if len(containers) == 0 {
-		// No containers on this machine, create a new one.
-		ops = append(ops, &RunContainerOperation{
-			ServiceID: serviceID,
-			Spec:      spec,
-			MachineID: machineID,
-		})
-		return ops, nil
-	}
-
-	// Check if there is a container with the same spec already running. If so, remove the rest.
-	upToDate := false
-	for i, c := range containers {
-		if !c.Container.State.Running || c.Container.State.Paused {
-			// Skip containers that are not running.
-			continue
-		}
-
-		svcSpec, err := c.Container.ServiceSpec()
-		if err != nil {
-			return nil, fmt.Errorf("get service spec: %w", err)
-		}
-		if svcSpec.Equals(spec) {
-			// The container is already running with the same spec.
-			upToDate = true
-			for j, old := range containers {
-				if i == j {
-					continue
-				}
-				ops = append(ops, &RemoveContainerOperation{
-					ServiceID:   serviceID,
-					ContainerID: old.Container.ID,
-					MachineID:   old.MachineID,
-				})
-			}
-			break
-		}
-	}
-	if upToDate {
-		return ops, nil
-	}
-
-	// The machine has containers but none of them match the new spec.
-	// Stop the old running containers that have conflicting ports with the new spec before running a new one.
-	for _, c := range containers {
-		if c.Container.State.Running {
-			conflictingPorts, err := c.Container.ConflictingServicePorts(spec.Ports)
-			if err != nil {
-				return nil, fmt.Errorf("check conflicting ports: %w", err)
-			}
-
-			if len(conflictingPorts) > 0 {
-				// Stop the running container with conflicting ports.
-				ops = append(ops, &StopContainerOperation{
-					ServiceID:   serviceID,
-					ContainerID: c.Container.ID,
-					MachineID:   c.MachineID,
-				})
-			}
-		}
-	}
-
-	// Run a new container.
-	ops = append(ops, &RunContainerOperation{
-		ServiceID: serviceID,
-		Spec:      spec,
-		MachineID: machineID,
-	})
-
-	// Remove the old containers.
-	for _, c := range containers {
-		ops = append(ops, &RemoveContainerOperation{
-			ServiceID:   serviceID,
-			ContainerID: c.Container.ID,
-			MachineID:   c.MachineID,
-		})
-	}
-
-	return ops, nil
-}

internal/cli/config/connection.go

@@ -5,7 +5,7 @@ import (
 	"net/netip"
 	"strconv"
 	"strings"
-	"uncloud/internal/secret"
+	"github.com/psviderski/uncloud/internal/secret"
 )
 
 const (
@@ -15,10 +15,10 @@ const (
 
 type MachineConnection struct {
 	SSH        SSHDestination `toml:"ssh,omitempty"`
+	SSHKeyFile string         `toml:"ssh_key_file,omitempty"`
 	TCP        netip.AddrPort `toml:"tcp,omitempty"`
 	Host       string         `toml:"host,omitempty"`
 	PublicKey  secret.Secret  `toml:"public_key,omitempty"`
-	SSHKeyFile string         `toml:"ssh_key_file,omitempty"`
 }
 
 // SSHDestination represents an SSH destination string in the canonical form of "user@host:port".

internal/cli/machine.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"fmt"
 	"os"
-	"uncloud/internal/sshexec"
+	"github.com/psviderski/uncloud/internal/sshexec"
 )
 
 // TODO: support pinning the script version to the CLI version.

internal/cli/prompt.go

@@ -0,0 +1,23 @@
+package cli
+
+import "github.com/charmbracelet/huh"
+
+func Confirm() (bool, error) {
+	var confirmed bool
+	form := huh.NewForm(
+		huh.NewGroup(
+			huh.NewConfirm().
+				Title(
+					"Do you want to continue?",
+				).
+				Affirmative("Yes!").
+				Negative("No").
+				Value(&confirmed),
+		),
+	)
+	if err := form.Run(); err != nil {
+		return false, err
+	}
+
+	return confirmed, nil
+}

internal/daemon/daemon.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	systemd "github.com/coreos/go-systemd/daemon"
 	"log/slog"
-	"uncloud/internal/machine"
+	"github.com/psviderski/uncloud/internal/machine"
 )
 
 type Daemon struct {

internal/daemon/token.go

@@ -3,10 +3,10 @@ package daemon
 import (
 	"errors"
 	"fmt"
+	"github.com/psviderski/uncloud/internal/machine"
+	"github.com/psviderski/uncloud/internal/machine/network"
 	"net/netip"
 	"os"
-	"uncloud/internal/machine"
-	"uncloud/internal/machine/network"
 )
 
 // MachineToken returns the local machine's token that can be used for adding the machine to a cluster.
@@ -37,5 +37,5 @@ func MachineToken(dataDir string) (machine.Token, error) {
 	for i, ip := range ips {
 		endpoints[i] = netip.AddrPortFrom(ip, network.WireGuardPort)
 	}
-	return machine.NewToken(state.Network.PublicKey, endpoints), nil
+	return machine.NewToken(state.Network.PublicKey, publicIP, endpoints), nil
 }

internal/dns/api.go

@@ -0,0 +1,34 @@
+package dns
+
+const (
+	RecordTypeA    RecordType = "A"
+	RecordTypeAAAA RecordType = "AAAA"
+)
+
+type RecordType string
+
+type DomainResponse struct {
+	Name  string `json:"name,omitempty"`
+	Token string `json:"token,omitempty"`
+}
+
+type RecordRequest struct {
+	Name   string     `json:"name,omitempty"`
+	Type   RecordType `json:"type,omitempty"`
+	Values []string   `json:"values,omitempty"`
+}
+
+type RecordResponse struct {
+	RecordRequest
+	FQDN string `json:"fqdn,omitempty"`
+}
+
+type AuthErrorResponse struct {
+	Status  int           `json:"status,omitempty"`
+	Message string        `json:"msg,omitempty"`
+	Data    authErrorData `json:"data,omitempty"`
+}
+
+type authErrorData struct {
+	NoDomain bool `json:"noDomain,omitempty"`
+}

internal/dns/client.go

@@ -0,0 +1,152 @@
+package dns
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"log/slog"
+	"net/http"
+)
+
+// The dns package code is based on https://github.com/acorn-io/runtime/blob/main/pkg/dns.
+
+// Client handles interactions with the Uncloud DNS API service.
+type Client interface {
+	// ReserveDomain calls Uncloud DNS to reserve a new domain. It returns the domain, a token for authentication,
+	// and an error.
+	ReserveDomain(endpoint string) (string, string, error)
+
+	// CreateRecords calls Uncloud DNS to create or update DNS records based on the supplied RecordRequests
+	// for the specified domain.
+	CreateRecords(endpoint, domain, token string, records []RecordRequest) ([]RecordResponse, error)
+}
+
+// ErrAuthNoDomain indicates that a request failed authentication because the domain was not found.
+// If encountered, a new domain needs to be reserved.
+var ErrAuthNoDomain = errors.New("the supplied domain failed authentication")
+
+// NewClient creates a new AcornDNS client
+func NewClient() Client {
+	return &client{
+		c: http.DefaultClient,
+	}
+}
+
+type client struct {
+	c *http.Client
+}
+
+func (c *client) ReserveDomain(endpoint string) (string, string, error) {
+	url := fmt.Sprintf("%s/%s", endpoint, "domains")
+
+	req, err := c.request(http.MethodPost, url, nil, "")
+	if err != nil {
+		return "", "", err
+	}
+
+	resp := &DomainResponse{}
+	err = c.do(req, resp)
+	if err != nil {
+		return "", "", err
+	}
+
+	return resp.Name, resp.Token, nil
+}
+
+func (c *client) CreateRecords(endpoint, domain, token string, records []RecordRequest) ([]RecordResponse, error) {
+	url := fmt.Sprintf("%s/domains/%s/records", endpoint, domain)
+
+	var resp []RecordResponse
+	for _, recordRequest := range records {
+		body, err := jsonBody(recordRequest)
+		if err != nil {
+			return resp, err
+		}
+
+		req, err := c.request(http.MethodPost, url, body, token)
+		if err != nil {
+			return resp, err
+		}
+
+		var recordResp RecordResponse
+		if err = c.do(req, &recordResp); err != nil {
+			return resp, err
+		}
+		resp = append(resp, recordResp)
+	}
+
+	return resp, nil
+}
+
+func (c *client) request(method string, url string, body io.Reader, token string) (*http.Request, error) {
+	req, err := http.NewRequest(method, url, body)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Add("Content-Type", "application/json")
+
+	if token != "" {
+		bearer := "Bearer " + token
+		req.Header.Add("Authorization", bearer)
+	}
+
+	return req, nil
+}
+
+func (c *client) do(req *http.Request, responseBody any) error {
+	slog.Debug("Making request to DNS service.", "method", req.Method, "url", req.URL)
+
+	resp, err := c.c.Do(req)
+	if err != nil {
+		return err
+	}
+
+	slog.Debug("Response code for request to DNS service.",
+		"method", req.Method, "url", req.URL, "code", resp.StatusCode)
+	// When err is nil, resp contains a non-nil resp.Body which must be closed.
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return fmt.Errorf("read response body: %w", err)
+	}
+
+	if resp.StatusCode == http.StatusUnauthorized {
+		var authError AuthErrorResponse
+
+		err = json.Unmarshal(body, &authError)
+		if err != nil {
+			return fmt.Errorf("unmarshal auth error response: %w", err)
+		}
+
+		if authError.Data.NoDomain {
+			return ErrAuthNoDomain
+		}
+
+		return errors.New("authentication failed")
+	}
+
+	if code := resp.StatusCode; code < 200 || code > 300 {
+		return fmt.Errorf("unexpected response status code: %d", code)
+	}
+
+	if responseBody != nil {
+		err = json.Unmarshal(body, responseBody)
+		if err != nil {
+			return fmt.Errorf("unmarshal response body (%s): %w", string(body), err)
+		}
+	}
+
+	return nil
+}
+
+func jsonBody(payload any) (io.Reader, error) {
+	buf := &bytes.Buffer{}
+	err := json.NewEncoder(buf).Encode(payload)
+	if err != nil {
+		return nil, err
+	}
+	return buf, nil
+}

internal/machine/api/pb/cluster.pb.go

@@ -78,6 +78,55 @@ func (MachineMember_MembershipState) EnumDescriptor() ([]byte, []int) {
 	return file_internal_machine_api_pb_cluster_proto_rawDescGZIP(), []int{2, 0}
 }
 
+type DNSRecord_RecordType int32
+
+const (
+	DNSRecord_UNSPECIFIED DNSRecord_RecordType = 0
+	DNSRecord_A           DNSRecord_RecordType = 1
+	DNSRecord_AAAA        DNSRecord_RecordType = 2
+)
+
+// Enum value maps for DNSRecord_RecordType.
+var (
+	DNSRecord_RecordType_name = map[int32]string{
+		0: "UNSPECIFIED",
+		1: "A",
+		2: "AAAA",
+	}
+	DNSRecord_RecordType_value = map[string]int32{
+		"UNSPECIFIED": 0,
+		"A":           1,
+		"AAAA":        2,
+	}
+)
+
+func (x DNSRecord_RecordType) Enum() *DNSRecord_RecordType {
+	p := new(DNSRecord_RecordType)
+	*p = x
+	return p
+}
+
+func (x DNSRecord_RecordType) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (DNSRecord_RecordType) Descriptor() protoreflect.EnumDescriptor {
+	return file_internal_machine_api_pb_cluster_proto_enumTypes[1].Descriptor()
+}
+
+func (DNSRecord_RecordType) Type() protoreflect.EnumType {
+	return &file_internal_machine_api_pb_cluster_proto_enumTypes[1]
+}
+
+func (x DNSRecord_RecordType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use DNSRecord_RecordType.Descriptor instead.
+func (DNSRecord_RecordType) EnumDescriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_cluster_proto_rawDescGZIP(), []int{8, 0}
+}
+
 type AddMachineRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -85,6 +134,7 @@ type AddMachineRequest struct {
 
 	Name     string         `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
 	Network  *NetworkConfig `protobuf:"bytes,2,opt,name=network,proto3" json:"network,omitempty"`
+	PublicIp *IP            `protobuf:"bytes,3,opt,name=public_ip,json=publicIp,proto3" json:"public_ip,omitempty"`
 }
 
 func (x *AddMachineRequest) Reset() {
@@ -133,6 +183,13 @@ func (x *AddMachineRequest) GetNetwork() *NetworkConfig {
 	return nil
 }
 
+func (x *AddMachineRequest) GetPublicIp() *IP {
+	if x != nil {
+		return x.PublicIp
+	}
+	return nil
+}
+
 type AddMachineResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -282,6 +339,257 @@ func (x *ListMachinesResponse) GetMachines() []*MachineMember {
 	return nil
 }
 
+type Domain struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *Domain) Reset() {
+	*x = Domain{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Domain) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Domain) ProtoMessage() {}
+
+func (x *Domain) ProtoReflect() protoreflect.Message {
+	mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Domain.ProtoReflect.Descriptor instead.
+func (*Domain) Descriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_cluster_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *Domain) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+type ReserveDomainRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Endpoint string `protobuf:"bytes,1,opt,name=endpoint,proto3" json:"endpoint,omitempty"`
+}
+
+func (x *ReserveDomainRequest) Reset() {
+	*x = ReserveDomainRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ReserveDomainRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ReserveDomainRequest) ProtoMessage() {}
+
+func (x *ReserveDomainRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ReserveDomainRequest.ProtoReflect.Descriptor instead.
+func (*ReserveDomainRequest) Descriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_cluster_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *ReserveDomainRequest) GetEndpoint() string {
+	if x != nil {
+		return x.Endpoint
+	}
+	return ""
+}
+
+type CreateDomainRecordsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Records []*DNSRecord `protobuf:"bytes,1,rep,name=records,proto3" json:"records,omitempty"`
+}
+
+func (x *CreateDomainRecordsRequest) Reset() {
+	*x = CreateDomainRecordsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateDomainRecordsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateDomainRecordsRequest) ProtoMessage() {}
+
+func (x *CreateDomainRecordsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateDomainRecordsRequest.ProtoReflect.Descriptor instead.
+func (*CreateDomainRecordsRequest) Descriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_cluster_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *CreateDomainRecordsRequest) GetRecords() []*DNSRecord {
+	if x != nil {
+		return x.Records
+	}
+	return nil
+}
+
+type CreateDomainRecordsResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Records []*DNSRecord `protobuf:"bytes,1,rep,name=records,proto3" json:"records,omitempty"`
+}
+
+func (x *CreateDomainRecordsResponse) Reset() {
+	*x = CreateDomainRecordsResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateDomainRecordsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateDomainRecordsResponse) ProtoMessage() {}
+
+func (x *CreateDomainRecordsResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateDomainRecordsResponse.ProtoReflect.Descriptor instead.
+func (*CreateDomainRecordsResponse) Descriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_cluster_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *CreateDomainRecordsResponse) GetRecords() []*DNSRecord {
+	if x != nil {
+		return x.Records
+	}
+	return nil
+}
+
+type DNSRecord struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name   string               `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Type   DNSRecord_RecordType `protobuf:"varint,2,opt,name=type,proto3,enum=api.DNSRecord_RecordType" json:"type,omitempty"`
+	Values []string             `protobuf:"bytes,3,rep,name=values,proto3" json:"values,omitempty"`
+}
+
+func (x *DNSRecord) Reset() {
+	*x = DNSRecord{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DNSRecord) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DNSRecord) ProtoMessage() {}
+
+func (x *DNSRecord) ProtoReflect() protoreflect.Message {
+	mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DNSRecord.ProtoReflect.Descriptor instead.
+func (*DNSRecord) Descriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_cluster_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *DNSRecord) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *DNSRecord) GetType() DNSRecord_RecordType {
+	if x != nil {
+		return x.Type
+	}
+	return DNSRecord_UNSPECIFIED
+}
+
+func (x *DNSRecord) GetValues() []string {
+	if x != nil {
+		return x.Values
+	}
+	return nil
+}
+
 var File_internal_machine_api_pb_cluster_proto protoreflect.FileDescriptor
 
 var file_internal_machine_api_pb_cluster_proto_rawDesc = []byte{
@@ -289,48 +597,92 @@ var file_internal_machine_api_pb_cluster_proto_rawDesc = []byte{
 	0x6e, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x70, 0x62, 0x2f, 0x63, 0x6c, 0x75, 0x73, 0x74, 0x65,
 	0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x03, 0x61, 0x70, 0x69, 0x1a, 0x1b, 0x67, 0x6f,
 	0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x65, 0x6d,
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+	0x70, 0x74, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x24, 0x69, 0x6e, 0x74, 0x65, 0x72,
 	0x6e, 0x61, 0x6c, 0x2f, 0x6d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f,
-	0x70, 0x62, 0x2f, 0x6d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x22, 0x55, 0x0a, 0x11, 0x41, 0x64, 0x64, 0x4d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x52, 0x65,
-	0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20,
-	0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x2c, 0x0a, 0x07, 0x6e, 0x65, 0x74,
-	0x77, 0x6f, 0x72, 0x6b, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x12, 0x2e, 0x61, 0x70, 0x69,
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+	0x65, 0x61, 0x74, 0x65, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52, 0x65, 0x63, 0x6f, 0x72, 0x64,
+	0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x42, 0x37, 0x5a, 0x35, 0x67, 0x69, 0x74,
+	0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x70, 0x73, 0x76, 0x69, 0x64, 0x65, 0x72, 0x73,
+	0x6b, 0x69, 0x2f, 0x75, 0x6e, 0x63, 0x6c, 0x6f, 0x75, 0x64, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72,
+	0x6e, 0x61, 0x6c, 0x2f, 0x6d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f,
+	0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -345,33 +697,52 @@ func file_internal_machine_api_pb_cluster_proto_rawDescGZIP() []byte {
 	return file_internal_machine_api_pb_cluster_proto_rawDescData
 }
 
-var file_internal_machine_api_pb_cluster_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_internal_machine_api_pb_cluster_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_internal_machine_api_pb_cluster_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
+var file_internal_machine_api_pb_cluster_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
 var file_internal_machine_api_pb_cluster_proto_goTypes = []any{
 	(MachineMember_MembershipState)(0),  // 0: api.MachineMember.MembershipState
-	(*AddMachineRequest)(nil),          // 1: api.AddMachineRequest
-	(*AddMachineResponse)(nil),         // 2: api.AddMachineResponse
-	(*MachineMember)(nil),              // 3: api.MachineMember
-	(*ListMachinesResponse)(nil),       // 4: api.ListMachinesResponse
-	(*NetworkConfig)(nil),              // 5: api.NetworkConfig
-	(*MachineInfo)(nil),                // 6: api.MachineInfo
-	(*emptypb.Empty)(nil),              // 7: google.protobuf.Empty
+	(DNSRecord_RecordType)(0),           // 1: api.DNSRecord.RecordType
+	(*AddMachineRequest)(nil),           // 2: api.AddMachineRequest
+	(*AddMachineResponse)(nil),          // 3: api.AddMachineResponse
+	(*MachineMember)(nil),               // 4: api.MachineMember
+	(*ListMachinesResponse)(nil),        // 5: api.ListMachinesResponse
+	(*Domain)(nil),                      // 6: api.Domain
+	(*ReserveDomainRequest)(nil),        // 7: api.ReserveDomainRequest
+	(*CreateDomainRecordsRequest)(nil),  // 8: api.CreateDomainRecordsRequest
+	(*CreateDomainRecordsResponse)(nil), // 9: api.CreateDomainRecordsResponse
+	(*DNSRecord)(nil),                   // 10: api.DNSRecord
+	(*NetworkConfig)(nil),               // 11: api.NetworkConfig
+	(*IP)(nil),                          // 12: api.IP
+	(*MachineInfo)(nil),                 // 13: api.MachineInfo
+	(*emptypb.Empty)(nil),               // 14: google.protobuf.Empty
 }
 var file_internal_machine_api_pb_cluster_proto_depIdxs = []int32{
-	5, // 0: api.AddMachineRequest.network:type_name -> api.NetworkConfig
-	6, // 1: api.AddMachineResponse.machine:type_name -> api.MachineInfo
-	6, // 2: api.MachineMember.machine:type_name -> api.MachineInfo
-	0, // 3: api.MachineMember.state:type_name -> api.MachineMember.MembershipState
-	3, // 4: api.ListMachinesResponse.machines:type_name -> api.MachineMember
-	1, // 5: api.Cluster.AddMachine:input_type -> api.AddMachineRequest
-	7, // 6: api.Cluster.ListMachines:input_type -> google.protobuf.Empty
-	2, // 7: api.Cluster.AddMachine:output_type -> api.AddMachineResponse
-	4, // 8: api.Cluster.ListMachines:output_type -> api.ListMachinesResponse
-	7, // [7:9] is the sub-list for method output_type
-	5, // [5:7] is the sub-list for method input_type
-	5, // [5:5] is the sub-list for extension type_name
-	5, // [5:5] is the sub-list for extension extendee
-	0, // [0:5] is the sub-list for field type_name
+	11, // 0: api.AddMachineRequest.network:type_name -> api.NetworkConfig
+	12, // 1: api.AddMachineRequest.public_ip:type_name -> api.IP
+	13, // 2: api.AddMachineResponse.machine:type_name -> api.MachineInfo
+	13, // 3: api.MachineMember.machine:type_name -> api.MachineInfo
+	0,  // 4: api.MachineMember.state:type_name -> api.MachineMember.MembershipState
+	4,  // 5: api.ListMachinesResponse.machines:type_name -> api.MachineMember
+	10, // 6: api.CreateDomainRecordsRequest.records:type_name -> api.DNSRecord
+	10, // 7: api.CreateDomainRecordsResponse.records:type_name -> api.DNSRecord
+	1,  // 8: api.DNSRecord.type:type_name -> api.DNSRecord.RecordType
+	2,  // 9: api.Cluster.AddMachine:input_type -> api.AddMachineRequest
+	14, // 10: api.Cluster.ListMachines:input_type -> google.protobuf.Empty
+	7,  // 11: api.Cluster.ReserveDomain:input_type -> api.ReserveDomainRequest
+	14, // 12: api.Cluster.GetDomain:input_type -> google.protobuf.Empty
+	14, // 13: api.Cluster.ReleaseDomain:input_type -> google.protobuf.Empty
+	8,  // 14: api.Cluster.CreateDomainRecords:input_type -> api.CreateDomainRecordsRequest
+	3,  // 15: api.Cluster.AddMachine:output_type -> api.AddMachineResponse
+	5,  // 16: api.Cluster.ListMachines:output_type -> api.ListMachinesResponse
+	6,  // 17: api.Cluster.ReserveDomain:output_type -> api.Domain
+	6,  // 18: api.Cluster.GetDomain:output_type -> api.Domain
+	6,  // 19: api.Cluster.ReleaseDomain:output_type -> api.Domain
+	9,  // 20: api.Cluster.CreateDomainRecords:output_type -> api.CreateDomainRecordsResponse
+	15, // [15:21] is the sub-list for method output_type
+	9,  // [9:15] is the sub-list for method input_type
+	9,  // [9:9] is the sub-list for extension type_name
+	9,  // [9:9] is the sub-list for extension extendee
+	0,  // [0:9] is the sub-list for field type_name
 }
 
 func init() { file_internal_machine_api_pb_cluster_proto_init() }
@@ -379,6 +750,7 @@ func file_internal_machine_api_pb_cluster_proto_init() {
 	if File_internal_machine_api_pb_cluster_proto != nil {
 		return
 	}
+	file_internal_machine_api_pb_common_proto_init()
 	file_internal_machine_api_pb_machine_proto_init()
 	if !protoimpl.UnsafeEnabled {
 		file_internal_machine_api_pb_cluster_proto_msgTypes[0].Exporter = func(v any, i int) any {
@@ -429,14 +801,74 @@ func file_internal_machine_api_pb_cluster_proto_init() {
 				return nil
 			}
 		}
+		file_internal_machine_api_pb_cluster_proto_msgTypes[4].Exporter = func(v any, i int) any {
+			switch v := v.(*Domain); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_internal_machine_api_pb_cluster_proto_msgTypes[5].Exporter = func(v any, i int) any {
+			switch v := v.(*ReserveDomainRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_internal_machine_api_pb_cluster_proto_msgTypes[6].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateDomainRecordsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_internal_machine_api_pb_cluster_proto_msgTypes[7].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateDomainRecordsResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_internal_machine_api_pb_cluster_proto_msgTypes[8].Exporter = func(v any, i int) any {
+			switch v := v.(*DNSRecord); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_internal_machine_api_pb_cluster_proto_rawDesc,
-			NumEnums:      1,
-			NumMessages:   4,
+			NumEnums:      2,
+			NumMessages:   9,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

internal/machine/api/pb/cluster.proto

@@ -5,16 +5,23 @@ package api;
 option go_package = "github.com/psviderski/uncloud/internal/machine/api/pb";
 
 import "google/protobuf/empty.proto";
+import "internal/machine/api/pb/common.proto";
 import "internal/machine/api/pb/machine.proto";
 
 service Cluster {
   rpc AddMachine(AddMachineRequest) returns (AddMachineResponse);
   rpc ListMachines(google.protobuf.Empty) returns (ListMachinesResponse);
+
+  rpc ReserveDomain(ReserveDomainRequest) returns (Domain);
+  rpc GetDomain(google.protobuf.Empty) returns (Domain);
+  rpc ReleaseDomain(google.protobuf.Empty) returns (Domain);
+  rpc CreateDomainRecords(CreateDomainRecordsRequest) returns (CreateDomainRecordsResponse);
 }
 
 message AddMachineRequest {
   string name = 1;
   NetworkConfig network = 2;
+  IP public_ip = 3;
 }
 
 message AddMachineResponse {
@@ -41,3 +48,31 @@ message MachineMember {
 message ListMachinesResponse {
   repeated MachineMember machines = 1;
 }
+
+message Domain {
+  string name = 1;
+}
+
+message ReserveDomainRequest {
+  string endpoint = 1;
+}
+
+message CreateDomainRecordsRequest {
+  repeated DNSRecord records = 1;
+}
+
+message CreateDomainRecordsResponse {
+  repeated DNSRecord records = 1;
+}
+
+message DNSRecord {
+  string name = 1;
+
+  enum RecordType {
+    UNSPECIFIED = 0;
+    A = 1;
+    AAAA = 2;
+  }
+  RecordType type = 2;
+  repeated string values = 3;
+}

internal/machine/api/pb/cluster_grpc.pb.go

@@ -22,6 +22,10 @@ const _ = grpc.SupportPackageIsVersion9
 const (
 	Cluster_AddMachine_FullMethodName          = "/api.Cluster/AddMachine"
 	Cluster_ListMachines_FullMethodName        = "/api.Cluster/ListMachines"
+	Cluster_ReserveDomain_FullMethodName       = "/api.Cluster/ReserveDomain"
+	Cluster_GetDomain_FullMethodName           = "/api.Cluster/GetDomain"
+	Cluster_ReleaseDomain_FullMethodName       = "/api.Cluster/ReleaseDomain"
+	Cluster_CreateDomainRecords_FullMethodName = "/api.Cluster/CreateDomainRecords"
 )
 
 // ClusterClient is the client API for Cluster service.
@@ -30,6 +34,10 @@ const (
 type ClusterClient interface {
 	AddMachine(ctx context.Context, in *AddMachineRequest, opts ...grpc.CallOption) (*AddMachineResponse, error)
 	ListMachines(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*ListMachinesResponse, error)
+	ReserveDomain(ctx context.Context, in *ReserveDomainRequest, opts ...grpc.CallOption) (*Domain, error)
+	GetDomain(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*Domain, error)
+	ReleaseDomain(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*Domain, error)
+	CreateDomainRecords(ctx context.Context, in *CreateDomainRecordsRequest, opts ...grpc.CallOption) (*CreateDomainRecordsResponse, error)
 }
 
 type clusterClient struct {
@@ -60,12 +68,56 @@ func (c *clusterClient) ListMachines(ctx context.Context, in *emptypb.Empty, opt
 	return out, nil
 }
 
+func (c *clusterClient) ReserveDomain(ctx context.Context, in *ReserveDomainRequest, opts ...grpc.CallOption) (*Domain, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Domain)
+	err := c.cc.Invoke(ctx, Cluster_ReserveDomain_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *clusterClient) GetDomain(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*Domain, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Domain)
+	err := c.cc.Invoke(ctx, Cluster_GetDomain_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *clusterClient) ReleaseDomain(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*Domain, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Domain)
+	err := c.cc.Invoke(ctx, Cluster_ReleaseDomain_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *clusterClient) CreateDomainRecords(ctx context.Context, in *CreateDomainRecordsRequest, opts ...grpc.CallOption) (*CreateDomainRecordsResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(CreateDomainRecordsResponse)
+	err := c.cc.Invoke(ctx, Cluster_CreateDomainRecords_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // ClusterServer is the server API for Cluster service.
 // All implementations must embed UnimplementedClusterServer
 // for forward compatibility.
 type ClusterServer interface {
 	AddMachine(context.Context, *AddMachineRequest) (*AddMachineResponse, error)
 	ListMachines(context.Context, *emptypb.Empty) (*ListMachinesResponse, error)
+	ReserveDomain(context.Context, *ReserveDomainRequest) (*Domain, error)
+	GetDomain(context.Context, *emptypb.Empty) (*Domain, error)
+	ReleaseDomain(context.Context, *emptypb.Empty) (*Domain, error)
+	CreateDomainRecords(context.Context, *CreateDomainRecordsRequest) (*CreateDomainRecordsResponse, error)
 	mustEmbedUnimplementedClusterServer()
 }
 
@@ -82,6 +134,18 @@ func (UnimplementedClusterServer) AddMachine(context.Context, *AddMachineRequest
 func (UnimplementedClusterServer) ListMachines(context.Context, *emptypb.Empty) (*ListMachinesResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListMachines not implemented")
 }
+func (UnimplementedClusterServer) ReserveDomain(context.Context, *ReserveDomainRequest) (*Domain, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ReserveDomain not implemented")
+}
+func (UnimplementedClusterServer) GetDomain(context.Context, *emptypb.Empty) (*Domain, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetDomain not implemented")
+}
+func (UnimplementedClusterServer) ReleaseDomain(context.Context, *emptypb.Empty) (*Domain, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ReleaseDomain not implemented")
+}
+func (UnimplementedClusterServer) CreateDomainRecords(context.Context, *CreateDomainRecordsRequest) (*CreateDomainRecordsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateDomainRecords not implemented")
+}
 func (UnimplementedClusterServer) mustEmbedUnimplementedClusterServer() {}
 func (UnimplementedClusterServer) testEmbeddedByValue()                 {}
 
@@ -139,6 +203,78 @@ func _Cluster_ListMachines_Handler(srv interface{}, ctx context.Context, dec fun
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Cluster_ReserveDomain_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ReserveDomainRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ClusterServer).ReserveDomain(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Cluster_ReserveDomain_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ClusterServer).ReserveDomain(ctx, req.(*ReserveDomainRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Cluster_GetDomain_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(emptypb.Empty)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ClusterServer).GetDomain(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Cluster_GetDomain_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ClusterServer).GetDomain(ctx, req.(*emptypb.Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Cluster_ReleaseDomain_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(emptypb.Empty)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ClusterServer).ReleaseDomain(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Cluster_ReleaseDomain_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ClusterServer).ReleaseDomain(ctx, req.(*emptypb.Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Cluster_CreateDomainRecords_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateDomainRecordsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ClusterServer).CreateDomainRecords(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Cluster_CreateDomainRecords_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ClusterServer).CreateDomainRecords(ctx, req.(*CreateDomainRecordsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // Cluster_ServiceDesc is the grpc.ServiceDesc for Cluster service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -154,6 +290,22 @@ var Cluster_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "ListMachines",
 			Handler:    _Cluster_ListMachines_Handler,
 		},
+		{
+			MethodName: "ReserveDomain",
+			Handler:    _Cluster_ReserveDomain_Handler,
+		},
+		{
+			MethodName: "GetDomain",
+			Handler:    _Cluster_GetDomain_Handler,
+		},
+		{
+			MethodName: "ReleaseDomain",
+			Handler:    _Cluster_ReleaseDomain_Handler,
+		},
+		{
+			MethodName: "CreateDomainRecords",
+			Handler:    _Cluster_CreateDomainRecords_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "internal/machine/api/pb/cluster.proto",

internal/machine/api/pb/docker.proto

@@ -15,22 +15,31 @@ service Docker {
   rpc ListContainers(ListContainersRequest) returns (ListContainersResponse);
   rpc RemoveContainer(RemoveContainerRequest) returns (google.protobuf.Empty);
   rpc PullImage(PullImageRequest) returns (stream JSONMessage);
+  rpc InspectImage(InspectImageRequest) returns (InspectImageResponse);
+  // InspectRemoteImage returns the image metadata for an image in a remote registry using the machine's
+  // Docker auth credentials if necessary.
+  rpc InspectRemoteImage(InspectRemoteImageRequest) returns (InspectRemoteImageResponse);
+
+  rpc CreateServiceContainer(CreateServiceContainerRequest) returns (CreateContainerResponse);
+  rpc InspectServiceContainer(InspectContainerRequest) returns (ServiceContainer);
+  rpc ListServiceContainers(ListServiceContainersRequest) returns (ListServiceContainersResponse);
+  rpc RemoveServiceContainer(RemoveContainerRequest) returns (google.protobuf.Empty);
 }
 
 message CreateContainerRequest {
-  // JSON serialized container.Config.
+  // JSON serialised container.Config.
   bytes config = 1;
-  // JSON serialized container.HostConfig.
+  // JSON serialised container.HostConfig.
   bytes host_config = 2;
-  // JSON serialized network.NetworkingConfig.
+  // JSON serialised network.NetworkingConfig.
   bytes network_config = 3;
-  // JSON serialized ocispec.Platform.
+  // JSON serialised ocispec.Platform.
   bytes platform = 4;
   string name = 5;
 }
 
 message CreateContainerResponse {
-  // JSON serialized container.CreateResponse.
+  // JSON serialised container.CreateResponse.
   bytes response = 1;
 }
 
@@ -39,51 +48,114 @@ message InspectContainerRequest {
 }
 
 message InspectContainerResponse {
-  // JSON serialized container.InspectResponse.
+  // JSON serialised container.InspectResponse.
   bytes response = 1;
 }
 
 message StartContainerRequest {
   string id = 1;
-  // JSON serialized container.StartOptions.
+  // JSON serialised container.StartOptions.
   bytes options = 2;
 }
 
 message StopContainerRequest {
   string id = 1;
-  // JSON serialized container.StopOptions.
+  // JSON serialised container.StopOptions.
   bytes options = 2;
 }
 
 message ListContainersRequest {
-  // JSON serialized container.ListOptions.
+  // JSON serialised container.ListOptions.
   bytes options = 1;
 }
 
-// ListContainersResponse structure allows broadcasting ListContainers requests to multiple machines.
 message ListContainersResponse {
+  // Must contain only one repeated messages field to allow broadcasting ListContainers requests to multiple machines.
   repeated MachineContainers messages = 1;
 }
 
 message MachineContainers {
   Metadata metadata = 1;
-  // JSON serialized []container.ContainerJSON.
+  // JSON serialised []container.InspectResponse.
   bytes containers = 2;
 }
 
 message RemoveContainerRequest {
   string id = 1;
-  // JSON serialized container.RemoveOptions.
+  // JSON serialised container.RemoveOptions.
   bytes options = 2;
 }
 
 message PullImageRequest {
   string image = 1;
-  // JSON serialized image.PullOptions.
+  // JSON serialised image.PullOptions.
   bytes options = 2;
 }
 
 message JSONMessage {
-  // JSON serialized jsonmessage.JSONMessage.
+  // JSON serialised jsonmessage.JSONMessage.
   bytes message = 1;
 }
+
+message InspectImageRequest {
+  string id = 1;
+}
+
+message InspectImageResponse {
+  // Must contain only one repeated messages field to allow broadcasting InspectImage requests to multiple machines.
+  repeated Image messages = 1;
+}
+
+message Image {
+  Metadata metadata = 1;
+  // JSON serialised types.ImageInspect.
+  bytes image = 2;
+}
+
+message InspectRemoteImageRequest {
+  string id = 1;
+}
+
+message InspectRemoteImageResponse {
+  // Must contain only one repeated messages field to allow broadcasting InspectRemoteImage requests to multiple machines.
+  repeated RemoteImage messages = 1;
+}
+
+message RemoteImage {
+  Metadata metadata = 1;
+  // Image reference in the canonical form with the digest.
+  string reference = 2;
+  // Raw JSON manifest from the registry.
+  bytes manifest = 3;
+}
+
+message CreateServiceContainerRequest {
+  string service_id = 1;
+  // JSON serialised api.ServiceSpec.
+  bytes service_spec = 2;
+  string container_name = 3;
+}
+
+message ServiceContainer {
+  // JSON serialised container.InspectResponse.
+  bytes container = 1;
+  // JSON serialised api.ServiceSpec.
+  bytes service_spec = 2;
+}
+
+message ListServiceContainersRequest {
+  string service_id = 1;
+  // JSON serialised container.ListOptions.
+  bytes options = 2;
+}
+
+message ListServiceContainersResponse {
+  // Must contain only one repeated messages field to allow broadcasting ListServiceContainers requests
+  // to multiple machines.
+  repeated MachineServiceContainers messages = 1;
+}
+
+message MachineServiceContainers {
+  Metadata metadata = 1;
+  repeated ServiceContainer containers = 2;
+}

internal/machine/api/pb/docker_grpc.pb.go

@@ -27,6 +27,12 @@ const (
 	Docker_ListContainers_FullMethodName          = "/api.Docker/ListContainers"
 	Docker_RemoveContainer_FullMethodName         = "/api.Docker/RemoveContainer"
 	Docker_PullImage_FullMethodName               = "/api.Docker/PullImage"
+	Docker_InspectImage_FullMethodName            = "/api.Docker/InspectImage"
+	Docker_InspectRemoteImage_FullMethodName      = "/api.Docker/InspectRemoteImage"
+	Docker_CreateServiceContainer_FullMethodName  = "/api.Docker/CreateServiceContainer"
+	Docker_InspectServiceContainer_FullMethodName = "/api.Docker/InspectServiceContainer"
+	Docker_ListServiceContainers_FullMethodName   = "/api.Docker/ListServiceContainers"
+	Docker_RemoveServiceContainer_FullMethodName  = "/api.Docker/RemoveServiceContainer"
 )
 
 // DockerClient is the client API for Docker service.
@@ -40,6 +46,14 @@ type DockerClient interface {
 	ListContainers(ctx context.Context, in *ListContainersRequest, opts ...grpc.CallOption) (*ListContainersResponse, error)
 	RemoveContainer(ctx context.Context, in *RemoveContainerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	PullImage(ctx context.Context, in *PullImageRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[JSONMessage], error)
+	InspectImage(ctx context.Context, in *InspectImageRequest, opts ...grpc.CallOption) (*InspectImageResponse, error)
+	// InspectRemoteImage returns the image metadata for an image in a remote registry using the machine's
+	// Docker auth credentials if necessary.
+	InspectRemoteImage(ctx context.Context, in *InspectRemoteImageRequest, opts ...grpc.CallOption) (*InspectRemoteImageResponse, error)
+	CreateServiceContainer(ctx context.Context, in *CreateServiceContainerRequest, opts ...grpc.CallOption) (*CreateContainerResponse, error)
+	InspectServiceContainer(ctx context.Context, in *InspectContainerRequest, opts ...grpc.CallOption) (*ServiceContainer, error)
+	ListServiceContainers(ctx context.Context, in *ListServiceContainersRequest, opts ...grpc.CallOption) (*ListServiceContainersResponse, error)
+	RemoveServiceContainer(ctx context.Context, in *RemoveContainerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 }
 
 type dockerClient struct {
@@ -129,6 +143,66 @@ func (c *dockerClient) PullImage(ctx context.Context, in *PullImageRequest, opts
 // This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
 type Docker_PullImageClient = grpc.ServerStreamingClient[JSONMessage]
 
+func (c *dockerClient) InspectImage(ctx context.Context, in *InspectImageRequest, opts ...grpc.CallOption) (*InspectImageResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(InspectImageResponse)
+	err := c.cc.Invoke(ctx, Docker_InspectImage_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *dockerClient) InspectRemoteImage(ctx context.Context, in *InspectRemoteImageRequest, opts ...grpc.CallOption) (*InspectRemoteImageResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(InspectRemoteImageResponse)
+	err := c.cc.Invoke(ctx, Docker_InspectRemoteImage_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *dockerClient) CreateServiceContainer(ctx context.Context, in *CreateServiceContainerRequest, opts ...grpc.CallOption) (*CreateContainerResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(CreateContainerResponse)
+	err := c.cc.Invoke(ctx, Docker_CreateServiceContainer_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *dockerClient) InspectServiceContainer(ctx context.Context, in *InspectContainerRequest, opts ...grpc.CallOption) (*ServiceContainer, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(ServiceContainer)
+	err := c.cc.Invoke(ctx, Docker_InspectServiceContainer_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *dockerClient) ListServiceContainers(ctx context.Context, in *ListServiceContainersRequest, opts ...grpc.CallOption) (*ListServiceContainersResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(ListServiceContainersResponse)
+	err := c.cc.Invoke(ctx, Docker_ListServiceContainers_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *dockerClient) RemoveServiceContainer(ctx context.Context, in *RemoveContainerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, Docker_RemoveServiceContainer_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // DockerServer is the server API for Docker service.
 // All implementations must embed UnimplementedDockerServer
 // for forward compatibility.
@@ -140,6 +214,14 @@ type DockerServer interface {
 	ListContainers(context.Context, *ListContainersRequest) (*ListContainersResponse, error)
 	RemoveContainer(context.Context, *RemoveContainerRequest) (*emptypb.Empty, error)
 	PullImage(*PullImageRequest, grpc.ServerStreamingServer[JSONMessage]) error
+	InspectImage(context.Context, *InspectImageRequest) (*InspectImageResponse, error)
+	// InspectRemoteImage returns the image metadata for an image in a remote registry using the machine's
+	// Docker auth credentials if necessary.
+	InspectRemoteImage(context.Context, *InspectRemoteImageRequest) (*InspectRemoteImageResponse, error)
+	CreateServiceContainer(context.Context, *CreateServiceContainerRequest) (*CreateContainerResponse, error)
+	InspectServiceContainer(context.Context, *InspectContainerRequest) (*ServiceContainer, error)
+	ListServiceContainers(context.Context, *ListServiceContainersRequest) (*ListServiceContainersResponse, error)
+	RemoveServiceContainer(context.Context, *RemoveContainerRequest) (*emptypb.Empty, error)
 	mustEmbedUnimplementedDockerServer()
 }
 
@@ -171,6 +253,24 @@ func (UnimplementedDockerServer) RemoveContainer(context.Context, *RemoveContain
 func (UnimplementedDockerServer) PullImage(*PullImageRequest, grpc.ServerStreamingServer[JSONMessage]) error {
 	return status.Errorf(codes.Unimplemented, "method PullImage not implemented")
 }
+func (UnimplementedDockerServer) InspectImage(context.Context, *InspectImageRequest) (*InspectImageResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method InspectImage not implemented")
+}
+func (UnimplementedDockerServer) InspectRemoteImage(context.Context, *InspectRemoteImageRequest) (*InspectRemoteImageResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method InspectRemoteImage not implemented")
+}
+func (UnimplementedDockerServer) CreateServiceContainer(context.Context, *CreateServiceContainerRequest) (*CreateContainerResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateServiceContainer not implemented")
+}
+func (UnimplementedDockerServer) InspectServiceContainer(context.Context, *InspectContainerRequest) (*ServiceContainer, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method InspectServiceContainer not implemented")
+}
+func (UnimplementedDockerServer) ListServiceContainers(context.Context, *ListServiceContainersRequest) (*ListServiceContainersResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListServiceContainers not implemented")
+}
+func (UnimplementedDockerServer) RemoveServiceContainer(context.Context, *RemoveContainerRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method RemoveServiceContainer not implemented")
+}
 func (UnimplementedDockerServer) mustEmbedUnimplementedDockerServer() {}
 func (UnimplementedDockerServer) testEmbeddedByValue()                {}
 
@@ -311,6 +411,114 @@ func _Docker_PullImage_Handler(srv interface{}, stream grpc.ServerStream) error
 // This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
 type Docker_PullImageServer = grpc.ServerStreamingServer[JSONMessage]
 
+func _Docker_InspectImage_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(InspectImageRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DockerServer).InspectImage(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Docker_InspectImage_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DockerServer).InspectImage(ctx, req.(*InspectImageRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Docker_InspectRemoteImage_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(InspectRemoteImageRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DockerServer).InspectRemoteImage(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Docker_InspectRemoteImage_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DockerServer).InspectRemoteImage(ctx, req.(*InspectRemoteImageRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Docker_CreateServiceContainer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateServiceContainerRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DockerServer).CreateServiceContainer(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Docker_CreateServiceContainer_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DockerServer).CreateServiceContainer(ctx, req.(*CreateServiceContainerRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Docker_InspectServiceContainer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(InspectContainerRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DockerServer).InspectServiceContainer(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Docker_InspectServiceContainer_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DockerServer).InspectServiceContainer(ctx, req.(*InspectContainerRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Docker_ListServiceContainers_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListServiceContainersRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DockerServer).ListServiceContainers(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Docker_ListServiceContainers_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DockerServer).ListServiceContainers(ctx, req.(*ListServiceContainersRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Docker_RemoveServiceContainer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RemoveContainerRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DockerServer).RemoveServiceContainer(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Docker_RemoveServiceContainer_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DockerServer).RemoveServiceContainer(ctx, req.(*RemoveContainerRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // Docker_ServiceDesc is the grpc.ServiceDesc for Docker service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -342,6 +550,30 @@ var Docker_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "RemoveContainer",
 			Handler:    _Docker_RemoveContainer_Handler,
 		},
+		{
+			MethodName: "InspectImage",
+			Handler:    _Docker_InspectImage_Handler,
+		},
+		{
+			MethodName: "InspectRemoteImage",
+			Handler:    _Docker_InspectRemoteImage_Handler,
+		},
+		{
+			MethodName: "CreateServiceContainer",
+			Handler:    _Docker_CreateServiceContainer_Handler,
+		},
+		{
+			MethodName: "InspectServiceContainer",
+			Handler:    _Docker_InspectServiceContainer_Handler,
+		},
+		{
+			MethodName: "ListServiceContainers",
+			Handler:    _Docker_ListServiceContainers_Handler,
+		},
+		{
+			MethodName: "RemoveServiceContainer",
+			Handler:    _Docker_RemoveServiceContainer_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{

internal/machine/api/pb/machine.pb.go

@@ -29,6 +29,7 @@ type MachineInfo struct {
 	Id       string         `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
 	Name     string         `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
 	Network  *NetworkConfig `protobuf:"bytes,3,opt,name=network,proto3" json:"network,omitempty"`
+	PublicIp *IP            `protobuf:"bytes,4,opt,name=public_ip,json=publicIp,proto3" json:"public_ip,omitempty"`
 }
 
 func (x *MachineInfo) Reset() {
@@ -84,6 +85,13 @@ func (x *MachineInfo) GetNetwork() *NetworkConfig {
 	return nil
 }
 
+func (x *MachineInfo) GetPublicIp() *IP {
+	if x != nil {
+		return x.PublicIp
+	}
+	return nil
+}
+
 type NetworkConfig struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -92,7 +100,7 @@ type NetworkConfig struct {
 	Subnet       *IPPrefix `protobuf:"bytes,1,opt,name=subnet,proto3" json:"subnet,omitempty"`
 	ManagementIp *IP       `protobuf:"bytes,2,opt,name=management_ip,json=managementIp,proto3" json:"management_ip,omitempty"`
 	Endpoints    []*IPPort `protobuf:"bytes,3,rep,name=endpoints,proto3" json:"endpoints,omitempty"`
-	PublicKey    []byte    `protobuf:"bytes,4,opt,name=publicKey,proto3" json:"publicKey,omitempty"`
+	PublicKey    []byte    `protobuf:"bytes,4,opt,name=public_key,json=publicKey,proto3" json:"public_key,omitempty"`
 }
 
 func (x *NetworkConfig) Reset() {
@@ -162,6 +170,11 @@ type InitClusterRequest struct {
 
 	MachineName string    `protobuf:"bytes,1,opt,name=machineName,proto3" json:"machineName,omitempty"`
 	Network     *IPPrefix `protobuf:"bytes,2,opt,name=network,proto3" json:"network,omitempty"`
+	// Types that are assignable to PublicIpConfig:
+	//
+	//	*InitClusterRequest_PublicIp
+	//	*InitClusterRequest_PublicIpAuto
+	PublicIpConfig isInitClusterRequest_PublicIpConfig `protobuf_oneof:"public_ip_config"`
 }
 
 func (x *InitClusterRequest) Reset() {
@@ -210,6 +223,43 @@ func (x *InitClusterRequest) GetNetwork() *IPPrefix {
 	return nil
 }
 
+func (m *InitClusterRequest) GetPublicIpConfig() isInitClusterRequest_PublicIpConfig {
+	if m != nil {
+		return m.PublicIpConfig
+	}
+	return nil
+}
+
+func (x *InitClusterRequest) GetPublicIp() *IP {
+	if x, ok := x.GetPublicIpConfig().(*InitClusterRequest_PublicIp); ok {
+		return x.PublicIp
+	}
+	return nil
+}
+
+func (x *InitClusterRequest) GetPublicIpAuto() bool {
+	if x, ok := x.GetPublicIpConfig().(*InitClusterRequest_PublicIpAuto); ok {
+		return x.PublicIpAuto
+	}
+	return false
+}
+
+type isInitClusterRequest_PublicIpConfig interface {
+	isInitClusterRequest_PublicIpConfig()
+}
+
+type InitClusterRequest_PublicIp struct {
+	PublicIp *IP `protobuf:"bytes,3,opt,name=public_ip,json=publicIp,proto3,oneof"`
+}
+
+type InitClusterRequest_PublicIpAuto struct {
+	PublicIpAuto bool `protobuf:"varint,4,opt,name=public_ip_auto,json=publicIpAuto,proto3,oneof"`
+}
+
+func (*InitClusterRequest_PublicIp) isInitClusterRequest_PublicIpConfig() {}
+
+func (*InitClusterRequest_PublicIpAuto) isInitClusterRequest_PublicIpConfig() {}
+
 type InitClusterResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -590,87 +640,96 @@ var file_internal_machine_api_pb_machine_proto_rawDesc = []byte{
 	0x70, 0x74, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x24, 0x69, 0x6e, 0x74, 0x65, 0x72,
 	0x6e, 0x61, 0x6c, 0x2f, 0x6d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f,
 	0x70, 0x62, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22,
-	0x5f, 0x0a, 0x0b, 0x4d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x0e,
-	0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x02, 0x69, 0x64, 0x12, 0x12,
-	0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61,
-	0x6d, 0x65, 0x12, 0x2c, 0x0a, 0x07, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x18, 0x03, 0x20,
-	0x01, 0x28, 0x0b, 0x32, 0x12, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x4e, 0x65, 0x74, 0x77, 0x6f, 0x72,
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-	0x22, 0xad, 0x01, 0x0a, 0x0d, 0x4e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x43, 0x6f, 0x6e, 0x66,
-	0x69, 0x67, 0x12, 0x25, 0x0a, 0x06, 0x73, 0x75, 0x62, 0x6e, 0x65, 0x74, 0x18, 0x01, 0x20, 0x01,
+	0x85, 0x01, 0x0a, 0x0b, 0x4d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x49, 0x6e, 0x66, 0x6f, 0x12,
+	0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x02, 0x69, 0x64, 0x12,
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+	0x61, 0x6d, 0x65, 0x12, 0x2c, 0x0a, 0x07, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x18, 0x03,
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+	0x49, 0x50, 0x50, 0x72, 0x65, 0x66, 0x69, 0x78, 0x52, 0x06, 0x73, 0x75, 0x62, 0x6e, 0x65, 0x74,
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+	0x65, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x73, 0x12, 0x1d, 0x0a, 0x0a, 0x70, 0x75, 0x62,
+	0x6c, 0x69, 0x63, 0x5f, 0x6b, 0x65, 0x79, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x09, 0x70,
+	0x75, 0x62, 0x6c, 0x69, 0x63, 0x4b, 0x65, 0x79, 0x22, 0xc3, 0x01, 0x0a, 0x12, 0x49, 0x6e, 0x69,
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+	0x69, 0x64, 0x22, 0x40, 0x0a, 0x16, 0x49, 0x6e, 0x73, 0x70, 0x65, 0x63, 0x74, 0x53, 0x65, 0x72,
+	0x76, 0x69, 0x63, 0x65, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x26, 0x0a, 0x07,
+	0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0c, 0x2e,
+	0x61, 0x70, 0x69, 0x2e, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x52, 0x07, 0x73, 0x65, 0x72,
+	0x76, 0x69, 0x63, 0x65, 0x32, 0xc0, 0x02, 0x0a, 0x07, 0x4d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65,
+	0x12, 0x40, 0x0a, 0x0b, 0x49, 0x6e, 0x69, 0x74, 0x43, 0x6c, 0x75, 0x73, 0x74, 0x65, 0x72, 0x12,
+	0x17, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x49, 0x6e, 0x69, 0x74, 0x43, 0x6c, 0x75, 0x73, 0x74, 0x65,
+	0x72, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x18, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x49,
+	0x6e, 0x69, 0x74, 0x43, 0x6c, 0x75, 0x73, 0x74, 0x65, 0x72, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e,
+	0x73, 0x65, 0x12, 0x3e, 0x0a, 0x0b, 0x4a, 0x6f, 0x69, 0x6e, 0x43, 0x6c, 0x75, 0x73, 0x74, 0x65,
+	0x72, 0x12, 0x17, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x4a, 0x6f, 0x69, 0x6e, 0x43, 0x6c, 0x75, 0x73,
+	0x74, 0x65, 0x72, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x16, 0x2e, 0x67, 0x6f, 0x6f,
+	0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x45, 0x6d, 0x70,
+	0x74, 0x79, 0x12, 0x33, 0x0a, 0x05, 0x54, 0x6f, 0x6b, 0x65, 0x6e, 0x12, 0x16, 0x2e, 0x67, 0x6f,
+	0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x45, 0x6d,
+	0x70, 0x74, 0x79, 0x1a, 0x12, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x54, 0x6f, 0x6b, 0x65, 0x6e, 0x52,
+	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x33, 0x0a, 0x07, 0x49, 0x6e, 0x73, 0x70, 0x65,
+	0x63, 0x74, 0x12, 0x16, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x62, 0x75, 0x66, 0x2e, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x1a, 0x10, 0x2e, 0x61, 0x70, 0x69,
+	0x2e, 0x4d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x49, 0x0a, 0x0e,
+	0x49, 0x6e, 0x73, 0x70, 0x65, 0x63, 0x74, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x1a,
+	0x2e, 0x61, 0x70, 0x69, 0x2e, 0x49, 0x6e, 0x73, 0x70, 0x65, 0x63, 0x74, 0x53, 0x65, 0x72, 0x76,
+	0x69, 0x63, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1b, 0x2e, 0x61, 0x70, 0x69,
+	0x2e, 0x49, 0x6e, 0x73, 0x70, 0x65, 0x63, 0x74, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x52,
+	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x42, 0x37, 0x5a, 0x35, 0x67, 0x69, 0x74, 0x68, 0x75,
+	0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x70, 0x73, 0x76, 0x69, 0x64, 0x65, 0x72, 0x73, 0x6b, 0x69,
+	0x2f, 0x75, 0x6e, 0x63, 0x6c, 0x6f, 0x75, 0x64, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61,
+	0x6c, 0x2f, 0x6d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x70, 0x62,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -697,37 +756,39 @@ var file_internal_machine_api_pb_machine_proto_goTypes = []any{
 	(*InspectServiceRequest)(nil),  // 7: api.InspectServiceRequest
 	(*InspectServiceResponse)(nil), // 8: api.InspectServiceResponse
 	(*Service_Container)(nil),      // 9: api.Service.Container
-	(*IPPrefix)(nil),               // 10: api.IPPrefix
-	(*IP)(nil),                     // 11: api.IP
+	(*IP)(nil),                     // 10: api.IP
+	(*IPPrefix)(nil),               // 11: api.IPPrefix
 	(*IPPort)(nil),                 // 12: api.IPPort
 	(*emptypb.Empty)(nil),          // 13: google.protobuf.Empty
 }
 var file_internal_machine_api_pb_machine_proto_depIdxs = []int32{
 	1,  // 0: api.MachineInfo.network:type_name -> api.NetworkConfig
-	10, // 1: api.NetworkConfig.subnet:type_name -> api.IPPrefix
-	11, // 2: api.NetworkConfig.management_ip:type_name -> api.IP
-	12, // 3: api.NetworkConfig.endpoints:type_name -> api.IPPort
-	10, // 4: api.InitClusterRequest.network:type_name -> api.IPPrefix
-	0,  // 5: api.InitClusterResponse.machine:type_name -> api.MachineInfo
-	0,  // 6: api.JoinClusterRequest.machine:type_name -> api.MachineInfo
-	0,  // 7: api.JoinClusterRequest.other_machines:type_name -> api.MachineInfo
-	9,  // 8: api.Service.containers:type_name -> api.Service.Container
-	6,  // 9: api.InspectServiceResponse.service:type_name -> api.Service
-	2,  // 10: api.Machine.InitCluster:input_type -> api.InitClusterRequest
-	4,  // 11: api.Machine.JoinCluster:input_type -> api.JoinClusterRequest
-	13, // 12: api.Machine.Token:input_type -> google.protobuf.Empty
-	13, // 13: api.Machine.Inspect:input_type -> google.protobuf.Empty
-	7,  // 14: api.Machine.InspectService:input_type -> api.InspectServiceRequest
-	3,  // 15: api.Machine.InitCluster:output_type -> api.InitClusterResponse
-	13, // 16: api.Machine.JoinCluster:output_type -> google.protobuf.Empty
-	5,  // 17: api.Machine.Token:output_type -> api.TokenResponse
-	0,  // 18: api.Machine.Inspect:output_type -> api.MachineInfo
-	8,  // 19: api.Machine.InspectService:output_type -> api.InspectServiceResponse
-	15, // [15:20] is the sub-list for method output_type
-	10, // [10:15] is the sub-list for method input_type
-	10, // [10:10] is the sub-list for extension type_name
-	10, // [10:10] is the sub-list for extension extendee
-	0,  // [0:10] is the sub-list for field type_name
+	10, // 1: api.MachineInfo.public_ip:type_name -> api.IP
+	11, // 2: api.NetworkConfig.subnet:type_name -> api.IPPrefix
+	10, // 3: api.NetworkConfig.management_ip:type_name -> api.IP
+	12, // 4: api.NetworkConfig.endpoints:type_name -> api.IPPort
+	11, // 5: api.InitClusterRequest.network:type_name -> api.IPPrefix
+	10, // 6: api.InitClusterRequest.public_ip:type_name -> api.IP
+	0,  // 7: api.InitClusterResponse.machine:type_name -> api.MachineInfo
+	0,  // 8: api.JoinClusterRequest.machine:type_name -> api.MachineInfo
+	0,  // 9: api.JoinClusterRequest.other_machines:type_name -> api.MachineInfo
+	9,  // 10: api.Service.containers:type_name -> api.Service.Container
+	6,  // 11: api.InspectServiceResponse.service:type_name -> api.Service
+	2,  // 12: api.Machine.InitCluster:input_type -> api.InitClusterRequest
+	4,  // 13: api.Machine.JoinCluster:input_type -> api.JoinClusterRequest
+	13, // 14: api.Machine.Token:input_type -> google.protobuf.Empty
+	13, // 15: api.Machine.Inspect:input_type -> google.protobuf.Empty
+	7,  // 16: api.Machine.InspectService:input_type -> api.InspectServiceRequest
+	3,  // 17: api.Machine.InitCluster:output_type -> api.InitClusterResponse
+	13, // 18: api.Machine.JoinCluster:output_type -> google.protobuf.Empty
+	5,  // 19: api.Machine.Token:output_type -> api.TokenResponse
+	0,  // 20: api.Machine.Inspect:output_type -> api.MachineInfo
+	8,  // 21: api.Machine.InspectService:output_type -> api.InspectServiceResponse
+	17, // [17:22] is the sub-list for method output_type
+	12, // [12:17] is the sub-list for method input_type
+	12, // [12:12] is the sub-list for extension type_name
+	12, // [12:12] is the sub-list for extension extendee
+	0,  // [0:12] is the sub-list for field type_name
 }
 
 func init() { file_internal_machine_api_pb_machine_proto_init() }
@@ -858,6 +919,10 @@ func file_internal_machine_api_pb_machine_proto_init() {
 			}
 		}
 	}
+	file_internal_machine_api_pb_machine_proto_msgTypes[2].OneofWrappers = []any{
+		(*InitClusterRequest_PublicIp)(nil),
+		(*InitClusterRequest_PublicIpAuto)(nil),
+	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{

internal/machine/api/pb/machine.proto

@@ -19,18 +19,24 @@ message MachineInfo {
   string id = 1;
   string name = 2;
   NetworkConfig network = 3;
+  IP public_ip = 4;
 }
 
 message NetworkConfig {
   IPPrefix subnet = 1;
   IP management_ip = 2;
   repeated IPPort endpoints = 3;
-  bytes publicKey = 4;
+  bytes public_key = 4;
 }
 
 message InitClusterRequest {
   string machineName = 1;
   IPPrefix network = 2;
+
+  oneof public_ip_config {
+    IP public_ip = 3;
+    bool public_ip_auto = 4;
+  }
 }
 
 message InitClusterResponse {

internal/machine/api/proxy/backend.go

@@ -5,7 +5,7 @@ import (
 	"google.golang.org/grpc/status"
 	"google.golang.org/protobuf/encoding/protowire"
 	"google.golang.org/protobuf/proto"
-	"uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
 )
 
 // One2ManyResponder converts upstream responses into messages from upstreams, so that multiple

internal/machine/caddyfile/config.go

@@ -0,0 +1,164 @@
+package caddyfile
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"log/slog"
+	"maps"
+	"net"
+	"net/http"
+	"slices"
+	"strconv"
+
+	"github.com/caddyserver/caddy/v2"
+	"github.com/caddyserver/caddy/v2/caddyconfig"
+	"github.com/caddyserver/caddy/v2/modules/caddyhttp"
+	"github.com/caddyserver/caddy/v2/modules/caddyhttp/reverseproxy"
+	"github.com/psviderski/uncloud/internal/machine/docker"
+	"github.com/psviderski/uncloud/pkg/api"
+)
+
+func GenerateConfig(containers []api.ServiceContainer, verifyResponse string) (*caddy.Config, error) {
+	// Maps hostnames to lists of upstreams (container IP:port pairs).
+	httpHostUpstreams := make(map[string][]string)
+	httpsHostUpstreams := make(map[string][]string)
+	for _, ctr := range containers {
+		logger := slog.With("container", ctr.ID)
+		network, ok := ctr.NetworkSettings.Networks[docker.NetworkName]
+		if !ok {
+			// Container is not connected to the uncloud Docker network (could be host network).
+			continue
+		}
+		if network.IPAddress == "" {
+			logger.Error("Container has no IPv4 address.")
+			continue
+		}
+
+		ports, err := ctr.ServicePorts()
+		if err != nil {
+			logger.Error("Failed to parse service ports for container.", "err", err)
+			continue
+		}
+
+		for _, port := range ports {
+			switch port.Protocol {
+			case api.ProtocolHTTP:
+				upstream := net.JoinHostPort(network.IPAddress, strconv.Itoa(int(port.ContainerPort)))
+				httpHostUpstreams[port.Hostname] = append(httpHostUpstreams[port.Hostname], upstream)
+			case api.ProtocolHTTPS:
+				upstream := net.JoinHostPort(network.IPAddress, strconv.Itoa(int(port.ContainerPort)))
+				httpsHostUpstreams[port.Hostname] = append(httpsHostUpstreams[port.Hostname], upstream)
+			default:
+				// TODO: implement L4 ingress routing for TCP and UDP.
+				logger.Error("Unsupported protocol for ingress port.", "port", port)
+				continue
+			}
+		}
+	}
+
+	var warnings []caddyconfig.Warning
+	servers := make(map[string]*caddyhttp.Server)
+	servers["http"] = &caddyhttp.Server{
+		Listen: []string{fmt.Sprintf(":%d", caddyhttp.DefaultHTTPPort)},
+		Routes: append(
+			hostUpstreamsToRoutes(httpHostUpstreams, &warnings),
+			// Add a route to respond with a static verification response at the /.uncloud-verify path.
+			verificationRoute(verifyResponse, &warnings),
+		),
+	}
+	servers["https"] = &caddyhttp.Server{
+		Listen: []string{fmt.Sprintf(":%d", caddyhttp.DefaultHTTPSPort)},
+		Routes: hostUpstreamsToRoutes(httpsHostUpstreams, &warnings),
+	}
+
+	httpApp := caddyhttp.App{
+		Servers: servers,
+	}
+	config := &caddy.Config{
+		AppsRaw: caddy.ModuleMap{
+			"http": caddyconfig.JSON(httpApp, &warnings),
+		},
+	}
+
+	var err error
+	if len(warnings) > 0 {
+		// warnings only contains errors from JSON marshaling, which are highly unlikely with correct code.
+		for _, w := range warnings {
+			err = errors.Join(err, errors.New(w.Message))
+		}
+		return nil, fmt.Errorf("marshal Caddy configuration: %w", err)
+	}
+
+	return config, nil
+}
+
+// hostUpstreamsToRoutes converts a map of hostnames to upstreams to a list of Caddy routes.
+func hostUpstreamsToRoutes(hostUpstreams map[string][]string, warnings *[]caddyconfig.Warning) []caddyhttp.Route {
+	// Sort hostnames for deterministic output.
+	hostnames := slices.Collect(maps.Keys(hostUpstreams))
+	slices.Sort(hostnames)
+
+	routes := make([]caddyhttp.Route, 0, len(hostUpstreams))
+	for _, hostname := range hostnames {
+		upstreams := hostUpstreams[hostname]
+		upstreamPool := make([]*reverseproxy.Upstream, len(upstreams))
+		for i, upstream := range upstreams {
+			upstreamPool[i] = &reverseproxy.Upstream{
+				Dial: upstream,
+			}
+		}
+		handler := &reverseproxy.Handler{
+			Upstreams: upstreamPool,
+		}
+
+		routes = append(routes, caddyhttp.Route{
+			MatcherSetsRaw: caddyhttp.RawMatcherSets{
+				{
+					"host": caddyconfig.JSON(caddyhttp.MatchHost{hostname}, warnings),
+				},
+			},
+			HandlersRaw: []json.RawMessage{
+				caddyconfig.JSONModuleObject(handler, "handler", "reverse_proxy", warnings),
+			},
+		})
+	}
+	return routes
+}
+
+// verificationRoute returns a Caddy route that responds with the given static response at the /.uncloud-verify path.
+func verificationRoute(response string, warnings *[]caddyconfig.Warning) caddyhttp.Route {
+	// Return the following route:
+	// {
+	//   "match": [
+	//     {
+	//       "path": [
+	//         "/.uncloud-verify"
+	//       ]
+	//     }
+	//   ],
+	//   "handle": [
+	//     {
+	//       "handler": "static_response",
+	//       "body": "<response>",
+	//       "status_code": 200
+	//     }
+	//   ]
+	// }
+
+	staticResponse := caddyhttp.StaticResponse{
+		StatusCode: caddyhttp.WeakString(strconv.Itoa(http.StatusOK)),
+		Body:       response,
+	}
+
+	return caddyhttp.Route{
+		MatcherSetsRaw: caddyhttp.RawMatcherSets{
+			{
+				"path": caddyconfig.JSON(caddyhttp.MatchPath{VerifyPath}, warnings),
+			},
+		},
+		HandlersRaw: []json.RawMessage{
+			caddyconfig.JSONModuleObject(staticResponse, "handler", "static_response", warnings),
+		},
+	}
+}

internal/machine/caddyfile/config_test.go

@@ -0,0 +1,362 @@
+package caddyfile
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/container"
+	"github.com/docker/docker/api/types/network"
+	"github.com/psviderski/uncloud/internal/machine/docker"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestGenerateConfig(t *testing.T) {
+	tests := []struct {
+		name       string
+		containers []api.ServiceContainer
+		want       string
+		wantErr    bool
+	}{
+		{
+			name:       "empty containers",
+			containers: []api.ServiceContainer{},
+			want: `{
+                "servers": {
+                    "http": {
+                        "listen": [":80"],
+                        "routes": [{
+                            "match": [{"path": ["/.uncloud-verify"]}],
+                            "handle": [{
+								"body": "verification-response-body",
+								"handler": "static_response",
+								"status_code": 200
+							}]
+                        }]
+                    },
+                    "https": {
+                        "listen": [":443"]
+                    }
+				}
+			}`,
+			wantErr: false,
+		},
+
+		{
+			name: "HTTP container",
+			containers: []api.ServiceContainer{
+				newContainer("10.210.0.2", "app.example.com:8080/http"),
+			},
+			want: `{
+                "servers": {
+                    "http": {
+                        "listen": [":80"],
+                        "routes": [
+                            {
+                                "match": [{"host": ["app.example.com"]}],
+                                "handle": [{
+                                    "handler": "reverse_proxy",
+                                    "upstreams": [{"dial": "10.210.0.2:8080"}]
+                                }]
+                            },
+                            {
+                                "match": [{"path": ["/.uncloud-verify"]}],
+                                "handle": [{
+                                    "body": "verification-response-body",
+                                    "handler": "static_response",
+                                    "status_code": 200
+                                }]
+                            }
+                        ]
+                    },
+                    "https": {
+                        "listen": [":443"]
+                    }
+                }
+            }`,
+			wantErr: false,
+		},
+		{
+			name: "load balancing multiple containers",
+			containers: []api.ServiceContainer{
+				newContainer("10.210.0.2", "app.example.com:8080/http"),
+				newContainer("10.210.0.3", "app.example.com:8080/http"),
+			},
+			want: `{
+                "servers": {
+                    "http": {
+                        "listen": [":80"],
+                        "routes": [
+                            {
+                                "match": [{"host": ["app.example.com"]}],
+                                "handle": [{
+                                    "handler": "reverse_proxy",
+                                    "upstreams": [
+                                        {"dial": "10.210.0.2:8080"},
+                                        {"dial": "10.210.0.3:8080"}
+                                    ]
+                                }]
+                            },
+                            {
+                                "match": [{"path": ["/.uncloud-verify"]}],
+                                "handle": [{
+                                    "body": "verification-response-body",
+                                    "handler": "static_response",
+                                    "status_code": 200
+                                }]
+                            }
+                        ]
+                    },
+                    "https": {
+                        "listen": [":443"]
+                    }
+                }
+            }`,
+			wantErr: false,
+		},
+		{
+			name: "HTTPS container",
+			containers: []api.ServiceContainer{
+				newContainer("10.210.0.2", "secure.example.com:8000/https"),
+			},
+			want: `{
+                "servers": {
+                    "http": {
+                        "listen": [":80"],
+                        "routes": [
+                            {
+                                "match": [{"path": ["/.uncloud-verify"]}],
+                                "handle": [{
+                                    "body": "verification-response-body",
+                                    "handler": "static_response",
+                                    "status_code": 200
+                                }]
+                            }
+                        ]
+                    },
+                    "https": {
+                        "listen": [":443"],
+                        "routes": [
+                            {
+                                "match": [{"host": ["secure.example.com"]}],
+                                "handle": [{
+                                    "handler": "reverse_proxy",
+                                    "upstreams": [{"dial": "10.210.0.2:8000"}]
+                                }]
+                            }
+                        ]
+                    }
+                }
+            }`,
+			wantErr: false,
+		},
+		{
+			name: "mixed HTTP and HTTPS",
+			containers: []api.ServiceContainer{
+				newContainer("10.210.0.2",
+					"app.example.com:8080/http",
+					"web.example.com:8000/http"),
+				newContainer("10.210.0.3",
+					"app.example.com:8080/http",
+					"secure.example.com:8888/https"),
+				newContainer("10.210.0.4",
+					"web.example.com:8000/http",
+					"secure.example.com:8888/https"),
+				newContainer("10.210.0.5",
+					"app.example.com:8080/http",
+					"web.example.com:8000/http",
+					"secure.example.com:8888/https"),
+			},
+			want: `{
+                "servers": {
+                    "http": {
+                        "listen": [":80"],
+                        "routes": [
+                            {
+                                "match": [{"host": ["app.example.com"]}],
+                                "handle": [{
+                                    "handler": "reverse_proxy",
+                                    "upstreams": [
+										{"dial": "10.210.0.2:8080"},
+										{"dial": "10.210.0.3:8080"},
+										{"dial": "10.210.0.5:8080"}
+									]
+                                }]
+                            },
+							{
+                                "match": [{"host": ["web.example.com"]}],
+                                "handle": [{
+                                    "handler": "reverse_proxy",
+                                    "upstreams": [
+										{"dial": "10.210.0.2:8000"},
+										{"dial": "10.210.0.4:8000"},
+										{"dial": "10.210.0.5:8000"}
+									]
+                                }]
+                            },
+                            {
+                                "match": [{"path": ["/.uncloud-verify"]}],
+                                "handle": [{
+                                    "body": "verification-response-body",
+                                    "handler": "static_response",
+                                    "status_code": 200
+                                }]
+                            }
+                        ]
+                    },
+                    "https": {
+                        "listen": [":443"],
+                        "routes": [
+                            {
+                                "match": [{"host": ["secure.example.com"]}],
+                                "handle": [{
+                                    "handler": "reverse_proxy",
+                                    "upstreams": [
+										{"dial": "10.210.0.3:8888"},
+										{"dial": "10.210.0.4:8888"},
+										{"dial": "10.210.0.5:8888"}
+									]
+                                }]
+                            }
+                        ]
+                    }
+                }
+            }`,
+			wantErr: false,
+		},
+		{
+			name: "container without uncloud network ignored",
+			containers: []api.ServiceContainer{
+				newContainerWithoutNetwork("ignored.example.com:8080/http"),
+			},
+			want: `{
+                "servers": {
+                    "http": {
+                        "listen": [":80"],
+                        "routes": [{
+                            "match": [{"path": ["/.uncloud-verify"]}],
+                            "handle": [{
+                                "body": "verification-response-body",
+                                "handler": "static_response",
+                                "status_code": 200
+                            }]
+                        }]
+                    },
+                    "https": {
+                        "listen": [":443"]
+                    }
+                }
+            }`,
+			wantErr: false,
+		},
+		{
+			name: "container with invalid port ignored",
+			containers: []api.ServiceContainer{
+				newContainer("10.210.0.2", "invalid-port"),
+			},
+			want: `{
+                "servers": {
+                    "http": {
+                        "listen": [":80"],
+                        "routes": [{
+                            "match": [{"path": ["/.uncloud-verify"]}],
+                            "handle": [{
+                                "body": "verification-response-body",
+                                "handler": "static_response",
+                                "status_code": 200
+                            }]
+                        }]
+                    },
+                    "https": {
+                        "listen": [":443"]
+                    }
+                }
+            }`,
+			wantErr: false,
+		},
+		{
+			name: "containers with unsupported protocols ignored",
+			containers: []api.ServiceContainer{
+				newContainer("10.210.0.2", "5000/tcp"),
+				newContainer("10.210.0.3", "5000/udp"),
+				newContainer("10.210.0.4", "80:8080/tcp@host"),
+			},
+			want: `{
+                "servers": {
+                    "http": {
+                        "listen": [":80"],
+                        "routes": [{
+                            "match": [{"path": ["/.uncloud-verify"]}],
+                            "handle": [{
+                                "body": "verification-response-body",
+                                "handler": "static_response",
+                                "status_code": 200
+                            }]
+                        }]
+                    },
+                    "https": {
+                        "listen": [":443"]
+                    }
+                }
+            }`,
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			config, err := GenerateConfig(tt.containers, "verification-response-body")
+
+			if tt.wantErr {
+				assert.Error(t, err)
+				return
+			}
+			require.NoError(t, err)
+
+			require.Len(t, config.AppsRaw, 1, "Expected one http app")
+			require.Contains(t, config.AppsRaw, "http", "Expected http app")
+
+			assert.JSONEq(t, tt.want, string(config.AppsRaw["http"]), "Generated Caddy app config doesn't match")
+		})
+	}
+}
+
+func newContainer(ip string, ports ...string) api.ServiceContainer {
+	portsLabel := strings.Join(ports, ",")
+	return api.ServiceContainer{Container: api.Container{ContainerJSON: types.ContainerJSON{
+		ContainerJSONBase: &types.ContainerJSONBase{},
+		NetworkSettings: &types.NetworkSettings{
+			Networks: map[string]*network.EndpointSettings{
+				docker.NetworkName: {
+					IPAddress: ip,
+				},
+			},
+		},
+		Config: &container.Config{
+			Labels: map[string]string{
+				api.LabelServicePorts: portsLabel,
+			},
+		},
+	}}}
+}
+
+func newContainerWithoutNetwork(ports ...string) api.ServiceContainer {
+	portsLabel := strings.Join(ports, ",")
+	return api.ServiceContainer{Container: api.Container{ContainerJSON: types.ContainerJSON{
+		ContainerJSONBase: &types.ContainerJSONBase{},
+		NetworkSettings: &types.NetworkSettings{
+			Networks: map[string]*network.EndpointSettings{
+				"other-network": {
+					IPAddress: "172.17.0.2",
+				},
+			},
+		},
+		Config: &container.Config{
+			Labels: map[string]string{
+				api.LabelServicePorts: portsLabel,
+			},
+		},
+	}}}
+}

internal/machine/caddyfile/controller.go

@@ -3,24 +3,20 @@ package caddyfile
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"fmt"
-	"github.com/caddyserver/caddy/v2"
-	"github.com/caddyserver/caddy/v2/caddyconfig"
-	"github.com/caddyserver/caddy/v2/modules/caddyhttp"
-	"github.com/caddyserver/caddy/v2/modules/caddyhttp/reverseproxy"
 	"log/slog"
-	"net"
 	"os"
 	"path/filepath"
-	"strconv"
-	"uncloud/internal/api"
-	"uncloud/internal/fs"
-	"uncloud/internal/machine/docker"
-	"uncloud/internal/machine/store"
+
+	"github.com/psviderski/uncloud/internal/fs"
+	"github.com/psviderski/uncloud/internal/machine/store"
+	"github.com/psviderski/uncloud/pkg/api"
 )
 
-const CaddyGroup = "uncloud"
+const (
+	CaddyGroup = "uncloud"
+	VerifyPath = "/.uncloud-verify"
+)
 
 // Controller monitors container changes in the cluster store and generates a configuration file for Caddy reverse
 // proxy. The generated Caddyfile allows Caddy to route external traffic to service containers across the internal
@@ -28,9 +24,10 @@ const CaddyGroup = "uncloud"
 type Controller struct {
 	store          *store.Store
 	path           string
+	verifyResponse string
 }
 
-func NewController(store *store.Store, path string) (*Controller, error) {
+func NewController(store *store.Store, path string, verifyResponse string) (*Controller, error) {
 	dir := filepath.Dir(path)
 	if err := os.MkdirAll(dir, 0750); err != nil {
 		return nil, fmt.Errorf("create parent directory for Caddy configuration '%s': %w", dir, err)
@@ -42,6 +39,7 @@ func NewController(store *store.Store, path string) (*Controller, error) {
 	return &Controller{
 		store:          store,
 		path:           path,
+		verifyResponse: verifyResponse,
 	}, nil
 }
 
@@ -92,81 +90,23 @@ func (c *Controller) Run(ctx context.Context) error {
 // filterAvailableContainers filters out containers from this machine that are likely unavailable. The availability
 // is determined by the cluster membership state of the machine that the container is running on.
 // TODO: implement machine membership check using Corrossion Admin client.
-func (c *Controller) filterAvailableContainers(containerRecords []store.ContainerRecord) ([]api.Container, error) {
-	containers := make([]api.Container, len(containerRecords))
+func (c *Controller) filterAvailableContainers(
+	containerRecords []store.ContainerRecord,
+) ([]api.ServiceContainer, error) {
+	containers := make([]api.ServiceContainer, len(containerRecords))
 	for i, cr := range containerRecords {
-		containers[i] = cr.Container
+		containers[i] = api.ServiceContainer{
+			Container: cr.Container,
+			// TODO: restore ServiceSpec from the container record once it's saved in the store.
+		}
 	}
 	return containers, nil
 }
 
-func (c *Controller) generateConfig(containers []api.Container) error {
-	// Maps hostnames to lists of upstreams (container IP:port pairs).
-	httpHostUpstreams := make(map[string][]string)
-	httpsHostUpstreams := make(map[string][]string)
-	for _, ctr := range containers {
-		logger := slog.With("container", ctr.ID)
-		network, ok := ctr.NetworkSettings.Networks[docker.NetworkName]
-		if !ok {
-			// Container is not connected to the uncloud Docker network (could be host network).
-			continue
-		}
-		if network.IPAddress == "" {
-			logger.Error("Container has no IPv4 address.")
-			continue
-		}
-
-		ports, err := ctr.ServicePorts()
+func (c *Controller) generateConfig(containers []api.ServiceContainer) error {
+	config, err := GenerateConfig(containers, c.verifyResponse)
 	if err != nil {
-			logger.Error("Failed to parse service ports for container.", "err", err)
-			continue
-		}
-
-		for _, port := range ports {
-			switch port.Protocol {
-			case api.ProtocolHTTP:
-				upstream := net.JoinHostPort(network.IPAddress, strconv.Itoa(int(port.ContainerPort)))
-				httpHostUpstreams[port.Hostname] = append(httpHostUpstreams[port.Hostname], upstream)
-			case api.ProtocolHTTPS:
-				upstream := net.JoinHostPort(network.IPAddress, strconv.Itoa(int(port.ContainerPort)))
-				httpsHostUpstreams[port.Hostname] = append(httpHostUpstreams[port.Hostname], upstream)
-			default:
-				if port.Mode == api.PortModeIngress {
-					// TODO: implement L4 ingress routing for TCP and UDP.
-					logger.Error("Unsupported protocol for ingress port.", "port", port)
-					continue
-				}
-			}
-		}
-	}
-
-	var warnings []caddyconfig.Warning
-	servers := make(map[string]*caddyhttp.Server)
-	servers["http"] = &caddyhttp.Server{
-		Listen: []string{fmt.Sprintf(":%d", caddyhttp.DefaultHTTPPort)},
-		Routes: hostUpstreamsToRoutes(httpHostUpstreams, &warnings),
-	}
-	servers["https"] = &caddyhttp.Server{
-		Listen: []string{fmt.Sprintf(":%d", caddyhttp.DefaultHTTPSPort)},
-		Routes: hostUpstreamsToRoutes(httpsHostUpstreams, &warnings),
-	}
-
-	httpApp := caddyhttp.App{
-		Servers: servers,
-	}
-	config := &caddy.Config{
-		AppsRaw: caddy.ModuleMap{
-			"http": caddyconfig.JSON(httpApp, &warnings),
-		},
-	}
-
-	var err error
-	if len(warnings) > 0 {
-		// warnings only contains errors from JSON marshaling, which are highly unlikely with correct code.
-		for _, w := range warnings {
-			err = errors.Join(err, errors.New(w.Message))
-		}
-		return fmt.Errorf("marshal Caddy configuration: %w", err)
+		return err
 	}
 
 	configBytes, err := json.MarshalIndent(config, "", "    ")
@@ -183,31 +123,3 @@ func (c *Controller) generateConfig(containers []api.Container) error {
 
 	return nil
 }
-
-// hostUpstreamsToRoutes converts a map of hostnames to upstreams to a list of Caddy routes.
-func hostUpstreamsToRoutes(hostUpstreams map[string][]string, warnings *[]caddyconfig.Warning) []caddyhttp.Route {
-	routes := make([]caddyhttp.Route, 0, len(hostUpstreams))
-	for hostname, upstreams := range hostUpstreams {
-		upstreamPool := make([]*reverseproxy.Upstream, len(upstreams))
-		for i, upstream := range upstreams {
-			upstreamPool[i] = &reverseproxy.Upstream{
-				Dial: upstream,
-			}
-		}
-		handler := &reverseproxy.Handler{
-			Upstreams: upstreamPool,
-		}
-
-		routes = append(routes, caddyhttp.Route{
-			MatcherSetsRaw: caddyhttp.RawMatcherSets{
-				{
-					"host": caddyconfig.JSON(caddyhttp.MatchHost{hostname}, warnings),
-				},
-			},
-			HandlersRaw: []json.RawMessage{
-				caddyconfig.JSONModuleObject(handler, "handler", "reverse_proxy", warnings),
-			},
-		})
-	}
-	return routes
-}

internal/machine/cluster/cluster.go

@@ -11,11 +11,11 @@ import (
 	"log/slog"
 	"net/netip"
 	"time"
-	"uncloud/internal/corrosion"
-	"uncloud/internal/machine/api/pb"
-	"uncloud/internal/machine/network"
-	"uncloud/internal/machine/store"
-	"uncloud/internal/secret"
+	"github.com/psviderski/uncloud/internal/corrosion"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/internal/machine/network"
+	"github.com/psviderski/uncloud/internal/machine/store"
+	"github.com/psviderski/uncloud/internal/secret"
 )
 
 type Cluster struct {
@@ -110,6 +110,15 @@ func (c *Cluster) AddMachine(ctx context.Context, req *pb.AddMachineRequest) (*p
 	if len(req.Network.Endpoints) == 0 {
 		return nil, status.Error(codes.InvalidArgument, "endpoints not set")
 	}
+	if req.PublicIp != nil {
+		ip, err := req.PublicIp.ToAddr()
+		if err != nil {
+			return nil, status.Errorf(codes.InvalidArgument, "invalid public IP: %v", err)
+		}
+		if !ip.IsValid() {
+			return nil, status.Error(codes.InvalidArgument, "invalid public IP")
+		}
+	}
 
 	machines, err := c.store.ListMachines(ctx)
 	if err != nil {
@@ -174,6 +183,7 @@ func (c *Cluster) AddMachine(ctx context.Context, req *pb.AddMachineRequest) (*p
 			Endpoints:    req.Network.Endpoints,
 			PublicKey:    req.Network.PublicKey,
 		},
+		PublicIp: req.PublicIp,
 	}
 	// TODO: announce the new machine to the cluster members and achieve consensus.
 	//  We should perhaps not proceed if this machine is in a minority partition.
@@ -232,24 +242,3 @@ func (c *Cluster) ListMachines(ctx context.Context, _ *emptypb.Empty) (*pb.ListM
 
 	return &pb.ListMachinesResponse{Machines: members}, nil
 }
-
-//func (c *Cluster) ListServices(ctx context.Context, _ *emptypb.Empty) (*pb.ListServicesResponse, error) {
-//	if err := c.checkInitialised(ctx); err != nil {
-//		return nil, err
-//	}
-//
-//	return &pb.ListServicesResponse{
-//		Messages: []*pb.Services{
-//			{
-//				Services: []*pb.Service{
-//					{
-//						Name: "service1",
-//					},
-//					{
-//						Name: "service2",
-//					},
-//				},
-//			},
-//		},
-//	}, nil
-//}

internal/machine/cluster/dns.go

@@ -0,0 +1,159 @@
+package cluster
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"github.com/psviderski/uncloud/internal/dns"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/internal/machine/store"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/emptypb"
+)
+
+// uncloudDNSKey is the key used to store the details of the reserved domain in the store.
+const uncloudDNSKey = "uncloud_dns"
+
+type uncloudDNSDomain struct {
+	// Endpoint is the API endpoint of the Uncloud DNS service where the domain is reserved.
+	Endpoint string
+	Name     string
+	// TODO: encrypt the token in the store.
+	Token string
+}
+
+func (c *Cluster) ReserveDomain(ctx context.Context, req *pb.ReserveDomainRequest) (*pb.Domain, error) {
+	if err := c.checkInitialised(ctx); err != nil {
+		return nil, err
+	}
+
+	if req.Endpoint == "" {
+		return nil, status.Error(codes.InvalidArgument, "API endpoint not set")
+	}
+
+	if _, err := c.storedDomain(ctx); err == nil {
+		return nil, status.Errorf(codes.AlreadyExists, "domain already reserved")
+	} else {
+		if s := status.Convert(err); s.Code() != codes.NotFound {
+			return nil, err
+		}
+	}
+
+	dnsClient := dns.NewClient()
+	name, token, err := dnsClient.ReserveDomain(req.Endpoint)
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, err.Error())
+	}
+
+	domain := uncloudDNSDomain{
+		Endpoint: req.Endpoint,
+		Name:     name,
+		Token:    token,
+	}
+	domainJSON, err := json.Marshal(domain)
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "marshal reserved domain for store: %v", err)
+	}
+	if err = c.store.Put(ctx, uncloudDNSKey, domainJSON); err != nil {
+		return nil, status.Errorf(codes.Internal, "store reserved domain: %v", err)
+	}
+
+	return &pb.Domain{Name: name}, nil
+}
+
+func (c *Cluster) GetDomain(ctx context.Context, _ *emptypb.Empty) (*pb.Domain, error) {
+	if err := c.checkInitialised(ctx); err != nil {
+		return nil, err
+	}
+
+	domain, err := c.storedDomain(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	return &pb.Domain{Name: domain.Name}, nil
+}
+
+func (c *Cluster) storedDomain(ctx context.Context) (uncloudDNSDomain, error) {
+	var domain uncloudDNSDomain
+	var domainJSON []byte
+
+	if err := c.store.Get(ctx, uncloudDNSKey, &domainJSON); err != nil {
+		if errors.Is(err, store.ErrKeyNotFound) {
+			return domain, status.Errorf(codes.NotFound, "domain not found")
+		}
+		return domain, status.Errorf(codes.Internal, "get domain from store: %v", err)
+	}
+
+	if err := json.Unmarshal(domainJSON, &domain); err != nil {
+		return domain, status.Errorf(codes.Internal, "unmarshal domain: %v", err)
+	}
+
+	return domain, nil
+}
+
+func (c *Cluster) ReleaseDomain(ctx context.Context, _ *emptypb.Empty) (*pb.Domain, error) {
+	if err := c.checkInitialised(ctx); err != nil {
+		return nil, err
+	}
+
+	domain, err := c.storedDomain(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	if err = c.store.Delete(ctx, uncloudDNSKey); err != nil {
+		return nil, status.Errorf(codes.Internal, "delete domain from store: %v", err)
+	}
+	// TODO: implement and call Uncloud DNS endpoint to release/delete the domain.
+
+	return &pb.Domain{Name: domain.Name}, nil
+}
+
+func (c *Cluster) CreateDomainRecords(
+	ctx context.Context, req *pb.CreateDomainRecordsRequest,
+) (*pb.CreateDomainRecordsResponse, error) {
+	if err := c.checkInitialised(ctx); err != nil {
+		return nil, err
+	}
+
+	domain, err := c.storedDomain(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	dnsClient := dns.NewClient()
+	recordsReq := make([]dns.RecordRequest, len(req.Records))
+	for i, r := range req.Records {
+		recordsReq[i] = dns.RecordRequest{
+			Name:   r.Name,
+			Type:   dns.RecordType(r.Type.String()),
+			Values: r.Values,
+		}
+	}
+
+	recordsResp, err := dnsClient.CreateRecords(domain.Endpoint, domain.Name, domain.Token, recordsReq)
+	if err != nil {
+		return nil, err
+	}
+
+	resp := &pb.CreateDomainRecordsResponse{
+		Records: make([]*pb.DNSRecord, len(recordsResp)),
+	}
+	for i, r := range recordsResp {
+		resp.Records[i] = &pb.DNSRecord{
+			Name:   r.FQDN,
+			Values: r.Values,
+		}
+
+		switch r.Type {
+		case dns.RecordTypeA:
+			resp.Records[i].Type = pb.DNSRecord_A
+		case dns.RecordTypeAAAA:
+			resp.Records[i].Type = pb.DNSRecord_AAAA
+		}
+	}
+
+	return resp, nil
+}

internal/machine/cluster/machine.go

@@ -2,7 +2,7 @@ package cluster
 
 import (
 	"fmt"
-	"uncloud/internal/secret"
+	"github.com/psviderski/uncloud/internal/secret"
 )
 
 // NewMachineID generates a new unique machine ID.

internal/machine/corroservice/config.go

@@ -7,7 +7,7 @@ import (
 	"net/netip"
 	"os"
 	"path/filepath"
-	"uncloud/internal/fs"
+	"github.com/psviderski/uncloud/internal/fs"
 )
 
 const (

internal/machine/db.go

@@ -0,0 +1,56 @@
+package machine
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/jmoiron/sqlx"
+	_ "modernc.org/sqlite"
+)
+
+const DBFileName = "machine.db"
+
+// NewDB creates a new connection to machine SQLite database and runs schema migrations if necessary.
+func NewDB(path string) (*sqlx.DB, error) {
+	// Create the database file with 0600 permissions if it doesn't exist, or update permissions if exists.
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		file, err := os.OpenFile(path, os.O_CREATE|os.O_RDWR, 0600)
+		if err != nil {
+			return nil, fmt.Errorf("create SQLite database '%s': %w", path, err)
+		}
+		file.Close()
+	} else {
+		if err = os.Chmod(path, 0600); err != nil {
+			return nil, fmt.Errorf("update SQLite database permissions '%s': %w", path, err)
+		}
+	}
+
+	// - Write-Ahead Logging (WAL) mode for better read/write performance.
+	// - Busy timeout (5s) to make concurrent writes wait on each other instead of failing immediately.
+	conn := path + "?_pragma=journal_mode=WAL&_pragma=synchronous=NORMAL&_pragma=busy_timeout=5000&_time_format=sqlite"
+	db, err := sqlx.Connect("sqlite", conn)
+	if err != nil {
+		return nil, fmt.Errorf("connect to SQLite database '%s': %w", conn, err)
+	}
+
+	schema := `
+	CREATE TABLE IF NOT EXISTS containers (
+	    id TEXT NOT NULL PRIMARY KEY,
+	    service_id TEXT NOT NULL,
+	    service_name TEXT AS (json_extract(service_spec, '$.Name')),
+	    service_spec TEXT NOT NULL CHECK (json_valid(service_spec)),
+	    -- 'subsecond' modifier is used to store timestamps with millisecond precision.
+	    created_at TIMESTAMP NOT NULL DEFAULT (datetime('subsecond')),
+	    updated_at TIMESTAMP NOT NULL DEFAULT (datetime('subsecond'))
+	);
+
+	CREATE INDEX IF NOT EXISTS idx_containers_service_id ON containers (service_id);
+	CREATE INDEX IF NOT EXISTS idx_containers_service_name ON containers (service_name);
+    `
+
+	if _, err = db.Exec(schema); err != nil {
+		return nil, fmt.Errorf("create schema: %w", err)
+	}
+
+	return db, nil
+}

internal/machine/docker/client.go

@@ -3,18 +3,23 @@ package docker
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
+	"io"
+
+	"github.com/distribution/reference"
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/api/types/network"
 	"github.com/docker/docker/errdefs"
 	"github.com/docker/docker/pkg/jsonmessage"
+	regtypes "github.com/google/go-containerregistry/pkg/v1/types"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/pkg/api"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
-	"io"
-	"uncloud/internal/machine/api/pb"
 )
 
 // Client is a gRPC client for the Docker service that provides a similar interface to the Docker HTTP client.
@@ -72,11 +77,9 @@ func (c *Client) CreateContainer(
 		Name:          name,
 	})
 	if err != nil {
-		if s, ok := status.FromError(err); ok {
-			if s.Code() == codes.NotFound {
+		if status.Convert(err).Code() == codes.NotFound {
 			return resp, errdefs.NotFound(err)
 		}
-		}
 		return resp, err
 	}
 
@@ -92,11 +95,9 @@ func (c *Client) InspectContainer(ctx context.Context, id string) (types.Contain
 
 	grpcResp, err := c.grpcClient.InspectContainer(ctx, &pb.InspectContainerRequest{Id: id})
 	if err != nil {
-		if s, ok := status.FromError(err); ok {
-			if s.Code() == codes.NotFound {
+		if status.Convert(err).Code() == codes.NotFound {
 			return resp, errdefs.NotFound(err)
 		}
-		}
 		return resp, err
 	}
 
@@ -118,12 +119,10 @@ func (c *Client) StartContainer(ctx context.Context, id string, opts container.S
 		Options: optsBytes,
 	})
 	if err != nil {
-		if s, ok := status.FromError(err); ok {
-			if s.Code() == codes.NotFound {
+		if status.Convert(err).Code() == codes.NotFound {
 			return errdefs.NotFound(err)
 		}
 	}
-	}
 	return err
 }
 
@@ -139,12 +138,10 @@ func (c *Client) StopContainer(ctx context.Context, id string, opts container.St
 		Options: optsBytes,
 	})
 	if err != nil {
-		if s, ok := status.FromError(err); ok {
-			if s.Code() == codes.NotFound {
+		if status.Convert(err).Code() == codes.NotFound {
 			return errdefs.NotFound(err)
 		}
 	}
-	}
 	return err
 }
 
@@ -191,12 +188,10 @@ func (c *Client) RemoveContainer(ctx context.Context, id string, opts container.
 		Options: optsBytes,
 	})
 	if err != nil {
-		if s, ok := status.FromError(err); ok {
-			if s.Code() == codes.NotFound {
+		if status.Convert(err).Code() == codes.NotFound {
 			return errdefs.NotFound(err)
 		}
 	}
-	}
 	return err
 }
 
@@ -237,3 +232,228 @@ func (c *Client) PullImage(ctx context.Context, image string) (<-chan PullImageM
 
 	return ch, nil
 }
+
+// InspectImage returns the image information for the given image ID. The request may be sent to multiple machines.
+func (c *Client) InspectImage(ctx context.Context, id string) ([]api.MachineImage, error) {
+	resp, err := c.grpcClient.InspectImage(ctx, &pb.InspectImageRequest{Id: id})
+	if err != nil {
+		// If the request was sent to only one machine, err is an actual error from the machine.
+		if status.Convert(err).Code() == codes.NotFound {
+			return nil, errdefs.NotFound(err)
+		}
+		return nil, err
+	}
+
+	notFoundCount := 0
+	for _, msg := range resp.Messages {
+		if msg.Metadata != nil && msg.Metadata.Status != nil && codes.Code(msg.Metadata.Status.Code) == codes.NotFound {
+			notFoundCount++
+		}
+	}
+	if len(resp.Messages) == notFoundCount {
+		return nil, errdefs.NotFound(fmt.Errorf("image not found: %s", id))
+	}
+
+	images := make([]api.MachineImage, len(resp.Messages))
+	for i, msg := range resp.Messages {
+		images[i].Metadata = msg.Metadata
+		if msg.Metadata != nil && msg.Metadata.Error != "" {
+			continue
+		}
+
+		if err = json.Unmarshal(msg.Image, &images[i].Image); err != nil {
+			return nil, fmt.Errorf("unmarshal image: %w", err)
+		}
+	}
+
+	return images, nil
+}
+
+// InspectRemoteImage returns the image metadata for an image in a remote registry using the machine's Docker auth
+// credentials if necessary. If the response from a machine doesn't contain an error, the api.RemoteImage will either
+// contain an IndexManifest or an ImageManifest.
+func (c *Client) InspectRemoteImage(ctx context.Context, id string) ([]api.MachineRemoteImage, error) {
+	resp, err := c.grpcClient.InspectRemoteImage(ctx, &pb.InspectRemoteImageRequest{Id: id})
+	if err != nil {
+		return nil, err
+	}
+
+	images := make([]api.MachineRemoteImage, 0, len(resp.Messages))
+	var parseErr error
+	for _, msg := range resp.Messages {
+		mri, err := parseRemoteImageMessage(msg)
+		if err != nil {
+			parseErr = errors.Join(parseErr, err)
+			continue
+		}
+		images = append(images, mri)
+	}
+
+	return images, parseErr
+}
+
+type manifestMediaType struct {
+	MediaType regtypes.MediaType `json:"mediaType"`
+}
+
+func parseRemoteImageMessage(msg *pb.RemoteImage) (api.MachineRemoteImage, error) {
+	mri := api.MachineRemoteImage{
+		Metadata: msg.Metadata,
+	}
+	if msg.Metadata != nil && msg.Metadata.Error != "" {
+		return mri, nil
+	}
+
+	ref, err := reference.ParseNormalizedNamed(msg.Reference)
+	if err != nil {
+		// The reference is the string representation of a valid canonical reference from the server which
+		// is expected to be parseable.
+		return mri, fmt.Errorf("parse reference: %w", err)
+	}
+	if canonicalRef, ok := ref.(reference.Canonical); ok {
+		mri.Image.Reference = canonicalRef
+	} else {
+		return mri, fmt.Errorf("unexpected non-canonical image reference: %s", msg.Reference)
+	}
+
+	manifest := manifestMediaType{}
+	if err = json.Unmarshal(msg.Manifest, &manifest); err != nil {
+		return mri, fmt.Errorf("unmarshal manifest: %w", err)
+	}
+
+	switch {
+	case manifest.MediaType.IsIndex():
+		index := &ocispec.Index{}
+		if err = json.Unmarshal(msg.Manifest, index); err != nil {
+			return mri, fmt.Errorf("unmarshal index manifest: %w", err)
+		}
+		mri.Image.IndexManifest = index
+	case manifest.MediaType.IsImage():
+		image := &ocispec.Manifest{}
+		if err = json.Unmarshal(msg.Manifest, image); err != nil {
+			return mri, fmt.Errorf("unmarshal image manifest: %w", err)
+		}
+		mri.Image.ImageManifest = image
+	default:
+		return mri, fmt.Errorf("unexpected manifest media type: %s", manifest.MediaType)
+	}
+
+	return mri, nil
+}
+
+// CreateServiceContainer creates a new container for the service with the given specifications.
+func (c *Client) CreateServiceContainer(
+	ctx context.Context, serviceID string, spec api.ServiceSpec, containerName string,
+) (container.CreateResponse, error) {
+	var resp container.CreateResponse
+
+	specBytes, err := json.Marshal(spec)
+	if err != nil {
+		return resp, fmt.Errorf("marshal service spec: %w", err)
+	}
+	grpcResp, err := c.grpcClient.CreateServiceContainer(ctx, &pb.CreateServiceContainerRequest{
+		ServiceId:     serviceID,
+		ServiceSpec:   specBytes,
+		ContainerName: containerName,
+	})
+	if err != nil {
+		if status.Convert(err).Code() == codes.NotFound {
+			return resp, errdefs.NotFound(err)
+		}
+		return resp, err
+	}
+
+	if err = json.Unmarshal(grpcResp.Response, &resp); err != nil {
+		return resp, fmt.Errorf("unmarshal gRPC response: %w", err)
+	}
+	return resp, nil
+}
+
+// InspectServiceContainer returns the container information and service specification that was used to create the
+// container with the given ID.
+func (c *Client) InspectServiceContainer(ctx context.Context, id string) (api.ServiceContainer, error) {
+	var resp api.ServiceContainer
+
+	grpcResp, err := c.grpcClient.InspectServiceContainer(ctx, &pb.InspectContainerRequest{Id: id})
+	if err != nil {
+		if status.Convert(err).Code() == codes.NotFound {
+			return resp, errdefs.NotFound(err)
+		}
+		return resp, err
+	}
+
+	if err = json.Unmarshal(grpcResp.Container, &resp.Container); err != nil {
+		return resp, fmt.Errorf("unmarshal container: %w", err)
+	}
+	if err = json.Unmarshal(grpcResp.ServiceSpec, &resp.ServiceSpec); err != nil {
+		return resp, fmt.Errorf("unmarshal service spec: %w", err)
+	}
+
+	return resp, nil
+}
+
+type MachineServiceContainers struct {
+	Metadata   *pb.Metadata
+	Containers []api.ServiceContainer
+}
+
+// ListServiceContainers returns all containers on requested machines that belong to the service with the given
+// name or ID. If serviceNameOrID is empty, all service containers are returned.
+func (c *Client) ListServiceContainers(
+	ctx context.Context, serviceNameOrID string, opts container.ListOptions,
+) ([]MachineServiceContainers, error) {
+	optsBytes, err := json.Marshal(opts)
+	if err != nil {
+		return nil, fmt.Errorf("marshal options: %w", err)
+	}
+
+	resp, err := c.grpcClient.ListServiceContainers(ctx, &pb.ListServiceContainersRequest{
+		ServiceId: serviceNameOrID,
+		Options:   optsBytes,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	machineContainers := make([]MachineServiceContainers, len(resp.Messages))
+	for i, msg := range resp.Messages {
+		machineContainers[i].Metadata = msg.Metadata
+		if msg.Metadata != nil && msg.Metadata.Error != "" {
+			continue
+		}
+
+		containers := make([]api.ServiceContainer, len(msg.Containers))
+		for j, sc := range msg.Containers {
+			if err = json.Unmarshal(sc.Container, &containers[j].Container); err != nil {
+				return nil, fmt.Errorf("unmarshal container: %w", err)
+			}
+			if err = json.Unmarshal(sc.ServiceSpec, &containers[j].ServiceSpec); err != nil {
+				return nil, fmt.Errorf("unmarshal service spec: %w", err)
+			}
+		}
+
+		machineContainers[i].Containers = containers
+	}
+
+	return machineContainers, nil
+}
+
+// RemoveServiceContainer stops (kills after grace period) and removes a service container with the given ID.
+// A service container is a container that has been created with CreateServiceContainer.
+func (c *Client) RemoveServiceContainer(ctx context.Context, id string, opts container.RemoveOptions) error {
+	optsBytes, err := json.Marshal(opts)
+	if err != nil {
+		return fmt.Errorf("marshal options: %w", err)
+	}
+
+	_, err = c.grpcClient.RemoveServiceContainer(ctx, &pb.RemoveContainerRequest{
+		Id:      id,
+		Options: optsBytes,
+	})
+	if err != nil {
+		if status.Convert(err).Code() == codes.NotFound {
+			return errdefs.NotFound(err)
+		}
+	}
+	return err
+}

internal/machine/docker/manager.go

@@ -8,10 +8,10 @@ import (
 	"github.com/docker/docker/api/types/events"
 	"github.com/docker/docker/api/types/filters"
 	"github.com/docker/docker/client"
+	"github.com/psviderski/uncloud/internal/machine/store"
+	"github.com/psviderski/uncloud/pkg/api"
 	"log/slog"
 	"time"
-	"uncloud/internal/api"
-	"uncloud/internal/machine/store"
 )
 
 const (

internal/machine/docker/manager_linux.go

@@ -8,7 +8,7 @@ import (
 	"github.com/docker/docker/libnetwork/iptables"
 	"log/slog"
 	"net/netip"
-	"uncloud/internal/machine/network"
+	"github.com/psviderski/uncloud/internal/machine/network"
 )
 
 // EnsureUncloudNetwork creates the Docker bridge network NetworkName with the provided machine subnet

internal/machine/docker/server.go

@@ -2,32 +2,54 @@ package docker
 
 import (
 	"context"
+	"database/sql"
 	"encoding/json"
 	"errors"
+	"fmt"
+	"io"
+	"log/slog"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"github.com/distribution/reference"
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/api/types/filters"
 	"github.com/docker/docker/api/types/image"
 	"github.com/docker/docker/api/types/network"
 	"github.com/docker/docker/client"
+	"github.com/docker/go-connections/nat"
+	"github.com/google/go-containerregistry/pkg/authn"
+	"github.com/google/go-containerregistry/pkg/name"
+	"github.com/google/go-containerregistry/pkg/v1/remote"
+	"github.com/jmoiron/sqlx"
+	"github.com/opencontainers/go-digest"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/internal/secret"
+	"github.com/psviderski/uncloud/pkg/api"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 	"google.golang.org/protobuf/types/known/emptypb"
-	"io"
-	"uncloud/internal/machine/api/pb"
 )
 
+var fullDockerIDRegex = regexp.MustCompile(`^[a-f0-9]{64}$`)
+
 // Server implements the gRPC Docker service that proxies requests to the Docker daemon.
 type Server struct {
 	pb.UnimplementedDockerServer
 	client *client.Client
+	db     *sqlx.DB
 }
 
 // NewServer creates a new Docker gRPC server with the provided Docker client.
-func NewServer(cli *client.Client) *Server {
-	return &Server{client: cli}
+func NewServer(cli *client.Client, db *sqlx.DB) *Server {
+	return &Server{
+		client: cli,
+		db:     db,
+	}
 }
 
 // CreateContainer creates a new container based on the given configuration.
@@ -149,13 +171,17 @@ func (s *Server) ListContainers(ctx context.Context, req *pb.ListContainersReque
 	if err != nil {
 		return nil, status.Errorf(codes.Internal, err.Error())
 	}
-	containers := make([]types.ContainerJSON, len(containerSummaries))
-	for i, cs := range containerSummaries {
+	containers := make([]types.ContainerJSON, 0, len(containerSummaries))
+	for _, cs := range containerSummaries {
 		c, err := s.client.ContainerInspect(ctx, cs.ID)
 		if err != nil {
+			if client.IsErrNotFound(err) {
+				// The listed container may have been removed while we were inspecting other containers.
+				continue
+			}
 			return nil, status.Errorf(codes.Internal, "inspect container %s: %v", cs.ID, err)
 		}
-		containers[i] = c
+		containers = append(containers, c)
 	}
 
 	containersBytes, err := json.Marshal(containers)
@@ -239,3 +265,337 @@ func (s *Server) PullImage(req *pb.PullImageRequest, stream grpc.ServerStreaming
 		}
 	}
 }
+
+// InspectImage returns the image information for the given image ID.
+func (s *Server) InspectImage(ctx context.Context, req *pb.InspectImageRequest) (*pb.InspectImageResponse, error) {
+	resp, _, err := s.client.ImageInspectWithRaw(ctx, req.Id)
+	if err != nil {
+		if client.IsErrNotFound(err) {
+			return nil, status.Errorf(codes.NotFound, err.Error())
+		}
+		return nil, status.Errorf(codes.Internal, err.Error())
+	}
+
+	respBytes, err := json.Marshal(resp)
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "marshal response: %v", err)
+	}
+
+	return &pb.InspectImageResponse{
+		Messages: []*pb.Image{
+			{
+				Image: respBytes,
+			},
+		},
+	}, nil
+}
+
+// InspectRemoteImage returns the image metadata for an image in a remote registry using the machine's Docker auth
+// credentials if necessary.
+func (s *Server) InspectRemoteImage(
+	_ context.Context, req *pb.InspectRemoteImageRequest,
+) (*pb.InspectRemoteImageResponse, error) {
+	ref, err := name.ParseReference(req.Id)
+	if err != nil {
+		return nil, status.Errorf(codes.InvalidArgument, "parse image: %v", err)
+	}
+
+	desc, err := remote.Get(ref, remote.WithAuthFromKeychain(authn.DefaultKeychain))
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "fetch image manifest: %v", err)
+	}
+
+	namedRef, err := reference.ParseNormalizedNamed(ref.String())
+	if err != nil {
+		return nil, status.Errorf(codes.InvalidArgument, "parse image: %v", err)
+	}
+
+	var canonicalRef reference.Canonical
+	if _, ok := namedRef.(reference.Canonical); ok {
+		canonicalRef = namedRef.(reference.Canonical)
+	} else {
+		if canonicalRef, err = reference.WithDigest(namedRef, digest.Digest(desc.Digest.String())); err != nil {
+			return nil, status.Errorf(codes.Internal, "add digest to image: %v", err)
+		}
+	}
+
+	return &pb.InspectRemoteImageResponse{
+		Messages: []*pb.RemoteImage{
+			{
+				Reference: reference.FamiliarString(canonicalRef),
+				Manifest:  desc.Manifest,
+			},
+		},
+	}, nil
+}
+
+// CreateServiceContainer creates a new container for the service with the given specifications.
+func (s *Server) CreateServiceContainer(
+	ctx context.Context, req *pb.CreateServiceContainerRequest,
+) (*pb.CreateContainerResponse, error) {
+	if !api.ValidateServiceID(req.ServiceId) {
+		return nil, status.Errorf(codes.InvalidArgument, "invalid service ID: '%s'", req.ServiceId)
+	}
+
+	var spec api.ServiceSpec
+	if err := json.Unmarshal(req.ServiceSpec, &spec); err != nil {
+		return nil, status.Errorf(codes.InvalidArgument, "unmarshal service spec: %v", err)
+	}
+	spec = spec.SetDefaults()
+	if err := spec.Validate(); err != nil {
+		return nil, status.Errorf(codes.InvalidArgument, "invalid service spec: %v", err)
+	}
+
+	containerName := req.ContainerName
+	if containerName == "" {
+		suffix, err := secret.RandomAlphaNumeric(4)
+		if err != nil {
+			return nil, fmt.Errorf("generate random suffix: %w", err)
+		}
+		containerName = fmt.Sprintf("%s-%s", spec.Name, suffix)
+	}
+
+	config := &container.Config{
+		Cmd:        spec.Container.Command,
+		Entrypoint: spec.Container.Entrypoint,
+		Hostname:   containerName,
+		Image:      spec.Container.Image,
+		Labels: map[string]string{
+			api.LabelServiceID:   req.ServiceId,
+			api.LabelServiceName: spec.Name,
+			api.LabelServiceMode: spec.Mode,
+			api.LabelManaged:     "",
+		},
+	}
+	if spec.Mode == "" {
+		config.Labels[api.LabelServiceMode] = api.ServiceModeReplicated
+	}
+
+	// TODO: do not set the ports as container labels once migrated to retrieve them from the spec in DB.
+	var err error
+	if len(spec.Ports) > 0 {
+		encodedPorts := make([]string, len(spec.Ports))
+		for i, p := range spec.Ports {
+			encodedPorts[i], err = p.String()
+			if err != nil {
+				return nil, fmt.Errorf("encode service port spec: %w", err)
+			}
+		}
+
+		config.Labels[api.LabelServicePorts] = strings.Join(encodedPorts, ",")
+	}
+
+	portBindings := make(nat.PortMap)
+	for _, p := range spec.Ports {
+		if p.Mode != api.PortModeHost {
+			continue
+		}
+		port := nat.Port(fmt.Sprintf("%d/%s", p.ContainerPort, p.Protocol))
+		portBindings[port] = []nat.PortBinding{
+			{
+				HostPort: strconv.Itoa(int(p.PublishedPort)),
+			},
+		}
+		if p.HostIP.IsValid() {
+			portBindings[port][0].HostIP = p.HostIP.String()
+		}
+	}
+	hostConfig := &container.HostConfig{
+		Binds:        spec.Container.Volumes,
+		Init:         spec.Container.Init,
+		PortBindings: portBindings,
+		// Always restart service containers if they exit or a machine restarts.
+		// For one-off containers and batch jobs we plan to use a different service type/mode.
+		RestartPolicy: container.RestartPolicy{
+			Name: container.RestartPolicyAlways,
+		},
+	}
+	networkConfig := &network.NetworkingConfig{
+		EndpointsConfig: map[string]*network.EndpointSettings{
+			NetworkName: {},
+		},
+	}
+
+	resp, err := s.client.ContainerCreate(ctx, config, hostConfig, networkConfig, nil, containerName)
+	if err != nil {
+		if client.IsErrNotFound(err) {
+			return nil, status.Error(codes.NotFound, err.Error())
+		}
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	respBytes, err := json.Marshal(resp)
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "marshal response: %v", err)
+	}
+
+	// Store the container spec in the database or remove the container with its anonymous volumes if storing fails.
+	removeContainer := func() {
+		_ = s.client.ContainerRemove(ctx, resp.ID, container.RemoveOptions{RemoveVolumes: true})
+	}
+
+	specBytes, err := json.Marshal(spec)
+	if err != nil {
+		removeContainer()
+		return nil, status.Errorf(codes.Internal, "marshal service spec: %v", err)
+	}
+
+	if _, err = s.db.ExecContext(ctx,
+		`INSERT INTO containers (id, service_id, service_spec) VALUES ($1, $2, $3)`,
+		resp.ID, req.ServiceId, string(specBytes)); err != nil {
+		removeContainer()
+		return nil, status.Errorf(codes.Internal, "store container in database: %v", err)
+	}
+
+	return &pb.CreateContainerResponse{Response: respBytes}, nil
+}
+
+// InspectServiceContainer returns the container information and service specification that was used to create the
+// container with the given ID.
+func (s *Server) InspectServiceContainer(
+	ctx context.Context, req *pb.InspectContainerRequest,
+) (*pb.ServiceContainer, error) {
+	ctr, err := s.client.ContainerInspect(ctx, req.Id)
+	if err != nil {
+		if client.IsErrNotFound(err) {
+			return nil, status.Errorf(codes.NotFound, err.Error())
+		}
+		return nil, status.Errorf(codes.Internal, err.Error())
+	}
+
+	ctrBytes, err := json.Marshal(ctr)
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "marshal response: %v", err)
+	}
+
+	var specBytes []byte
+	err = s.db.QueryRowContext(ctx, `SELECT service_spec FROM containers WHERE id = $1`, ctr.ID).Scan(&specBytes)
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, status.Errorf(codes.NotFound, "service spec not found for container: '%s'", ctr.ID)
+		}
+		return nil, status.Errorf(codes.Internal, "get service spec for container '%s' from machine database: %v",
+			ctr.ID, err)
+	}
+
+	return &pb.ServiceContainer{
+		Container:   ctrBytes,
+		ServiceSpec: specBytes,
+	}, nil
+}
+
+// ListServiceContainers returns all containers that belong to the service with the given name or ID.
+// If req.ServiceId is empty, all service containers are returned.
+func (s *Server) ListServiceContainers(
+	ctx context.Context, req *pb.ListServiceContainersRequest,
+) (*pb.ListServiceContainersResponse, error) {
+	var opts container.ListOptions
+	if len(req.Options) > 0 {
+		if err := json.Unmarshal(req.Options, &opts); err != nil {
+			return nil, status.Errorf(codes.InvalidArgument, "unmarshal options: %v", err)
+		}
+
+		// Handle filters separately because they implement custom JSON unmarshalling.
+		var raw map[string]json.RawMessage
+		if err := json.Unmarshal(req.Options, &raw); err != nil {
+			return nil, status.Errorf(codes.InvalidArgument, "unmarshal options to raw map: %v", err)
+		}
+
+		if filtersBytes, ok := raw["Filters"]; ok {
+			args, err := filters.FromJSON(string(filtersBytes))
+			if err != nil {
+				return nil, status.Errorf(codes.InvalidArgument, "unmarshal filters: %v", err)
+			}
+			opts.Filters = args
+		} else {
+			opts.Filters = filters.NewArgs()
+		}
+	}
+	// Only uncloud-managed containers that belong to some service.
+	opts.Filters.Add("label", api.LabelServiceID)
+	opts.Filters.Add("label", api.LabelManaged)
+
+	containerSummaries, err := s.client.ContainerList(ctx, opts)
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	containers := make([]*pb.ServiceContainer, 0, len(containerSummaries))
+	for _, cs := range containerSummaries {
+		if req.ServiceId != "" &&
+			cs.Labels[api.LabelServiceID] != req.ServiceId && cs.Labels[api.LabelServiceName] != req.ServiceId {
+			continue
+		}
+
+		ctr, err := s.client.ContainerInspect(ctx, cs.ID)
+		if err != nil {
+			if client.IsErrNotFound(err) {
+				// The listed container may have been removed while we were inspecting other containers.
+				continue
+			}
+			return nil, status.Errorf(codes.Internal, "inspect container %s: %v", cs.ID, err)
+		}
+		ctrBytes, err := json.Marshal(ctr)
+		if err != nil {
+			return nil, status.Errorf(codes.Internal, "marshal container: %v", err)
+		}
+
+		var specBytes []byte
+		err = s.db.QueryRowContext(ctx, `SELECT service_spec FROM containers WHERE id = $1`, ctr.ID).Scan(&specBytes)
+		if err != nil {
+			if errors.Is(err, sql.ErrNoRows) {
+				// If this happens, there is a bug in the code, or someone manually removed the container from the DB,
+				// or created a managed container out of band.
+				slog.Error("Service container not found in machine database.", "id", ctr.ID)
+				// Just ignore such a container to not fail the list operation as it's not easily recoverable.
+				continue
+			}
+			return nil, status.Errorf(codes.Internal, "get service spec for container '%s' from machine database: %v",
+				ctr.ID, err)
+		}
+
+		containers = append(containers, &pb.ServiceContainer{
+			Container:   ctrBytes,
+			ServiceSpec: specBytes,
+		})
+	}
+
+	return &pb.ListServiceContainersResponse{
+		Messages: []*pb.MachineServiceContainers{
+			{
+				Containers: containers,
+			},
+		},
+	}, nil
+}
+
+// RemoveServiceContainer stops (kills after grace period) and removes a service container with the given ID.
+// The difference between this method and RemoveContainer is that it also removes the container from the machine
+// database.
+func (s *Server) RemoveServiceContainer(ctx context.Context, req *pb.RemoveContainerRequest) (*emptypb.Empty, error) {
+	ctrID := req.Id
+	// If the ID is not a full Docker ID, inspect the container to get its full ID.
+	if !fullDockerIDRegex.MatchString(req.Id) {
+		ctr, err := s.client.ContainerInspect(ctx, req.Id)
+		if err != nil {
+			if client.IsErrNotFound(err) {
+				return nil, status.Error(codes.NotFound, err.Error())
+			}
+			return nil, status.Error(codes.Internal, err.Error())
+		}
+		ctrID = ctr.ID
+	}
+
+	resp, err := s.RemoveContainer(ctx, req)
+	if err != nil {
+		return nil, err
+	}
+
+	if _, err = s.db.ExecContext(ctx, `DELETE FROM containers WHERE id = $1`, ctrID); err != nil {
+		slog.Error("Failed to remove container from machine database.", "err", err, "id", ctrID)
+		// Do not return an error because the container has already been removed from the Docker daemon.
+		// The orphaned db record will be ignored and eventually cleaned up by the garbage collector.
+	}
+
+	return resp, nil
+}

internal/machine/machine.go

@@ -5,32 +5,35 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/docker/docker/client"
-	"github.com/docker/go-connections/sockets"
-	"github.com/siderolabs/grpc-proxy/proxy"
-	"golang.org/x/sync/errgroup"
-	"google.golang.org/grpc"
-	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/status"
-	"google.golang.org/protobuf/types/known/emptypb"
 	"log/slog"
 	"net"
 	"net/netip"
 	"os"
 	"os/user"
 	"path/filepath"
+	"slices"
 	"strconv"
-	"uncloud/internal/corrosion"
-	"uncloud/internal/docker"
-	"uncloud/internal/fs"
-	"uncloud/internal/machine/api/pb"
-	apiproxy "uncloud/internal/machine/api/proxy"
-	"uncloud/internal/machine/caddyfile"
-	"uncloud/internal/machine/cluster"
-	"uncloud/internal/machine/corroservice"
-	machinedocker "uncloud/internal/machine/docker"
-	"uncloud/internal/machine/network"
-	"uncloud/internal/machine/store"
+
+	"github.com/docker/docker/client"
+	"github.com/docker/go-connections/sockets"
+	"github.com/psviderski/uncloud/internal/corrosion"
+	"github.com/psviderski/uncloud/internal/docker"
+	"github.com/psviderski/uncloud/internal/fs"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	apiproxy "github.com/psviderski/uncloud/internal/machine/api/proxy"
+	"github.com/psviderski/uncloud/internal/machine/caddyfile"
+	"github.com/psviderski/uncloud/internal/machine/cluster"
+	"github.com/psviderski/uncloud/internal/machine/corroservice"
+	machinedocker "github.com/psviderski/uncloud/internal/machine/docker"
+	"github.com/psviderski/uncloud/internal/machine/network"
+	"github.com/psviderski/uncloud/internal/machine/store"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/siderolabs/grpc-proxy/proxy"
+	"golang.org/x/sync/errgroup"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/emptypb"
 )
 
 const (
@@ -56,9 +59,9 @@ type Config struct {
 	// DockerClient manages system and user containers using the local Docker daemon.
 	DockerClient *client.Client
 
-	// CaddyfilePath specifies where the machine generates the Caddy reverse proxy configuration file for routing
-	// external traffic to service containers across the internal network. Default is DataDir/caddy/Caddyfile.
-	CaddyfilePath string
+	// CaddyConfigPath specifies where the machine generates the Caddy reverse proxy configuration file for routing
+	// external traffic to service containers across the internal network. Default is DataDir/caddy/caddy.json.
+	CaddyConfigPath string
 }
 
 // SetDefaults returns a new Config with default values set where not provided.
@@ -121,8 +124,8 @@ func (c *Config) SetDefaults() (*Config, error) {
 		}
 	}
 
-	if cfg.CaddyfilePath == "" {
-		cfg.CaddyfilePath = filepath.Join(cfg.DataDir, "caddy", "caddy.json")
+	if cfg.CaddyConfigPath == "" {
+		cfg.CaddyConfigPath = filepath.Join(cfg.DataDir, "caddy", "caddy.json")
 	}
 
 	return &cfg, nil
@@ -208,7 +211,13 @@ func NewMachine(config *Config) (*Machine, error) {
 	if err != nil {
 		return nil, fmt.Errorf("create Docker client: %w", err)
 	}
-	dockerServer := machinedocker.NewServer(dockerCli)
+
+	dbFilePath := filepath.Join(config.DataDir, DBFileName)
+	db, err := NewDB(dbFilePath)
+	if err != nil {
+		return nil, fmt.Errorf("init machine database: %w", err)
+	}
+	dockerServer := machinedocker.NewServer(dockerCli, db)
 
 	// Init a local gRPC proxy server that proxies requests to the local or remote machine API servers.
 	proxyDirector := apiproxy.NewDirector(config.MachineSockPath, APIPort)
@@ -357,7 +366,9 @@ func (m *Machine) Run(ctx context.Context) error {
 						),
 					)
 
-					caddyfileCtrl, err := caddyfile.NewController(m.store, m.config.CaddyfilePath)
+					// Create a new Caddyfile controller for managing the Caddy reverse proxy configuration.
+					// It will also serve the current machine ID at /.uncloud-verify to verify Caddy reachability.
+					caddyfileCtrl, err := caddyfile.NewController(m.store, m.config.CaddyConfigPath, m.state.ID)
 					if err != nil {
 						return fmt.Errorf("create Caddyfile controller: %w", err)
 					}
@@ -536,9 +547,9 @@ func (m *Machine) InitCluster(ctx context.Context, req *pb.InitClusterRequest) (
 	if err != nil {
 		return nil, status.Errorf(codes.Internal, "list routable IPs: %v", err)
 	}
-	publicIP, err := network.GetPublicIP()
+	publicIP, pubIPErr := network.GetPublicIP()
 	// Ignore the error if failed to get the public IP using API services.
-	if err == nil {
+	if pubIPErr == nil && !slices.Contains(ips, publicIP) {
 		ips = append(ips, publicIP)
 	}
 	endpoints := make([]*pb.IPPort, len(ips))
@@ -556,6 +567,12 @@ func (m *Machine) InitCluster(ctx context.Context, req *pb.InitClusterRequest) (
 			PublicKey: m.state.Network.PublicKey,
 		},
 	}
+	if req.GetPublicIp() != nil {
+		addReq.PublicIp = req.GetPublicIp()
+	} else if req.GetPublicIpAuto() && pubIPErr == nil {
+		addReq.PublicIp = pb.NewIP(publicIP)
+	}
+
 	addResp, err := m.cluster.AddMachine(ctx, addReq)
 	if err != nil {
 		return nil, status.Errorf(codes.Internal, "add machine to cluster: %v", err)
@@ -674,7 +691,7 @@ func (m *Machine) Token(_ context.Context, _ *emptypb.Empty) (*pb.TokenResponse,
 	}
 	publicIP, err := network.GetPublicIP()
 	// Ignore the error if failed to get the public IP using API services.
-	if err == nil {
+	if err == nil && !slices.Contains(ips, publicIP) {
 		ips = append(ips, publicIP)
 	}
 	endpoints := make([]netip.AddrPort, len(ips))
@@ -682,7 +699,7 @@ func (m *Machine) Token(_ context.Context, _ *emptypb.Empty) (*pb.TokenResponse,
 		endpoints[i] = netip.AddrPortFrom(ip, network.WireGuardPort)
 	}
 
-	token := NewToken(m.state.Network.PublicKey, endpoints)
+	token := NewToken(m.state.Network.PublicKey, publicIP, endpoints)
 	tokenStr, err := token.String()
 	if err != nil {
 		return nil, status.Error(codes.Internal, err.Error())
@@ -703,7 +720,7 @@ func (m *Machine) Inspect(_ context.Context, _ *emptypb.Empty) (*pb.MachineInfo,
 	}, nil
 }
 
-// InspectService returns detailed information about a service and its containers.
+// InspectService returns detailed information about a service and its containers stored in the cluster store.
 func (m *Machine) InspectService(
 	ctx context.Context, req *pb.InspectServiceRequest,
 ) (*pb.InspectServiceResponse, error) {
@@ -735,10 +752,11 @@ func (m *Machine) InspectService(
 		}
 	}
 
+	ctr := api.ServiceContainer{Container: records[0].Container}
 	svc := &pb.Service{
-		Id:         records[0].Container.ServiceID(),
-		Name:       records[0].Container.ServiceName(),
-		Mode:       records[0].Container.ServiceMode(),
+		Id:         ctr.ServiceID(),
+		Name:       ctr.ServiceName(),
+		Mode:       ctr.ServiceMode(),
 		Containers: containers,
 	}
 	return &pb.InspectServiceResponse{Service: svc}, nil

internal/machine/network.go

@@ -14,12 +14,12 @@ import (
 	"slices"
 	"strconv"
 	"time"
-	"uncloud/internal/machine/api/pb"
-	"uncloud/internal/machine/caddyfile"
-	"uncloud/internal/machine/corroservice"
-	"uncloud/internal/machine/docker"
-	"uncloud/internal/machine/network"
-	"uncloud/internal/machine/store"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/internal/machine/caddyfile"
+	"github.com/psviderski/uncloud/internal/machine/corroservice"
+	"github.com/psviderski/uncloud/internal/machine/docker"
+	"github.com/psviderski/uncloud/internal/machine/network"
+	"github.com/psviderski/uncloud/internal/machine/store"
 )
 
 const (

internal/machine/network/config.go

@@ -2,10 +2,10 @@ package network
 
 import (
 	"fmt"
+	"github.com/psviderski/uncloud/internal/secret"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 	"net"
 	"net/netip"
-	"uncloud/internal/secret"
 )
 
 type Config struct {

internal/machine/network/ip.go

@@ -2,9 +2,9 @@ package network
 
 import (
 	"fmt"
+	"github.com/psviderski/uncloud/internal/secret"
 	"net"
 	"net/netip"
-	"uncloud/internal/secret"
 )
 
 // MachineIP returns the IP address of the machine which is the first address in the subnet.

internal/machine/network/tunnel/tunnel.go

@@ -9,7 +9,7 @@ import (
 	"net"
 	"net/netip"
 	"time"
-	"uncloud/internal/secret"
+	"github.com/psviderski/uncloud/internal/secret"
 )
 
 const (

internal/machine/network/wireguard.go

@@ -5,7 +5,7 @@ import (
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 	"net/netip"
 	"time"
-	"uncloud/internal/secret"
+	"github.com/psviderski/uncloud/internal/secret"
 )
 
 const (

internal/machine/network/wireguard_linux.go

@@ -17,7 +17,7 @@ import (
 	"slices"
 	"sync"
 	"time"
-	"uncloud/internal/secret"
+	"github.com/psviderski/uncloud/internal/secret"
 )
 
 type WireGuardNetwork struct {

internal/machine/state.go

@@ -6,7 +6,7 @@ import (
 	"os"
 	"path/filepath"
 	"sync"
-	"uncloud/internal/machine/network"
+	"github.com/psviderski/uncloud/internal/machine/network"
 )
 
 const (

internal/machine/store/container.go

@@ -5,10 +5,10 @@ import (
 	"encoding/json"
 	"fmt"
 	sq "github.com/Masterminds/squirrel"
+	"github.com/psviderski/uncloud/pkg/api"
 	"log/slog"
 	"strings"
 	"time"
-	"uncloud/internal/api"
 )
 
 const (

internal/machine/store/store.go

@@ -7,8 +7,8 @@ import (
 	"fmt"
 	"google.golang.org/protobuf/encoding/protojson"
 	"log/slog"
-	"uncloud/internal/corrosion"
-	"uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/internal/corrosion"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
 )
 
 var (
@@ -49,6 +49,11 @@ func (s *Store) Put(ctx context.Context, key string, value any) error {
 	return err
 }
 
+func (s *Store) Delete(ctx context.Context, key string) error {
+	_, err := s.corro.ExecContext(ctx, "DELETE FROM cluster WHERE key = ?", key)
+	return err
+}
+
 func (s *Store) CreateMachine(ctx context.Context, m *pb.MachineInfo) error {
 	mJSON, err := protojson.Marshal(m)
 	if err != nil {
@@ -74,10 +79,13 @@ func (s *Store) ListMachines(ctx context.Context) ([]*pb.MachineInfo, error) {
 		if err = rows.Scan(&mJSON); err != nil {
 			return nil, err
 		}
+
+		protojsonParser := protojson.UnmarshalOptions{DiscardUnknown: true}
 		var m pb.MachineInfo
-		if err = protojson.Unmarshal([]byte(mJSON), &m); err != nil {
+		if err = protojsonParser.Unmarshal([]byte(mJSON), &m); err != nil {
 			return nil, fmt.Errorf("unmarshal machine info: %w", err)
 		}
+
 		if err = m.Network.Validate(); err != nil {
 			slog.Error("Invalid network configuration for machine in store", "id", m.Id, "err", err)
 			continue

internal/machine/token.go

@@ -6,7 +6,7 @@ import (
 	"fmt"
 	"net/netip"
 	"strings"
-	"uncloud/internal/secret"
+	"github.com/psviderski/uncloud/internal/secret"
 )
 
 const (
@@ -16,13 +16,15 @@ const (
 // Token represents the machine's token for joining a cluster.
 type Token struct {
 	PublicKey secret.Secret
+	PublicIP  netip.Addr
 	Endpoints []netip.AddrPort
 }
 
 // NewToken creates a new machine token with the given public key and endpoints.
-func NewToken(publicKey secret.Secret, endpoints []netip.AddrPort) Token {
+func NewToken(publicKey secret.Secret, publicIP netip.Addr, endpoints []netip.AddrPort) Token {
 	return Token{
 		PublicKey: publicKey,
+		PublicIP:  publicIP,
 		Endpoints: endpoints,
 	}
 }

internal/ucind/cluster.go

@@ -12,9 +12,9 @@ import (
 	"google.golang.org/protobuf/types/known/emptypb"
 	"net/netip"
 	"time"
-	"uncloud/internal/machine"
-	"uncloud/internal/machine/api/pb"
-	"uncloud/internal/machine/cluster"
+	"github.com/psviderski/uncloud/internal/machine"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/internal/machine/cluster"
 )
 
 const (
@@ -89,7 +89,7 @@ func (p *Provisioner) initCluster(ctx context.Context, machines []Machine) error
 	// Init a new cluster on the first machine.
 	initMachine := machines[0]
 
-	if err := p.WaitMachineReady(ctx, initMachine, 5*time.Second); err != nil {
+	if err := p.WaitMachineReady(ctx, initMachine, 30*time.Second); err != nil {
 		return fmt.Errorf("wait for machine %q to be ready: %w", initMachine.Name, err)
 	}
 

internal/ucind/config.go

@@ -2,7 +2,7 @@ package ucind
 
 import (
 	"fmt"
-	"uncloud/internal/cli/config"
+	"github.com/psviderski/uncloud/internal/cli/config"
 )
 
 type ConfigUpdater struct {

internal/ucind/machine.go

@@ -9,14 +9,14 @@ import (
 	"github.com/docker/docker/api/types/image"
 	dockerclient "github.com/docker/docker/client"
 	"github.com/docker/go-connections/nat"
+	"github.com/psviderski/uncloud/internal/secret"
+	"github.com/psviderski/uncloud/pkg/client"
+	"github.com/psviderski/uncloud/pkg/client/connector"
 	"google.golang.org/protobuf/types/known/emptypb"
 	"io"
 	"net"
 	"net/netip"
 	"time"
-	"uncloud/internal/cli/client"
-	"uncloud/internal/cli/client/connector"
-	"uncloud/internal/secret"
 )
 
 const (

pkg/api/client.go

@@ -0,0 +1,67 @@
+package api
+
+import (
+	"context"
+	"fmt"
+	"slices"
+
+	"github.com/docker/docker/api/types/container"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"google.golang.org/grpc/metadata"
+)
+
+type Client interface {
+	ContainerClient
+	DNSClient
+	ImageClient
+	MachineClient
+	ServiceClient
+}
+
+type ContainerClient interface {
+	CreateContainer(
+		ctx context.Context, serviceID string, spec ServiceSpec, machineID string,
+	) (container.CreateResponse, error)
+	InspectContainer(ctx context.Context, serviceNameOrID, containerNameOrID string) (MachineServiceContainer, error)
+	RemoveContainer(ctx context.Context, serviceNameOrID, containerNameOrID string, opts container.RemoveOptions) error
+	StartContainer(ctx context.Context, serviceNameOrID, containerNameOrID string) error
+	StopContainer(ctx context.Context, serviceNameOrID, containerNameOrID string, opts container.StopOptions) error
+}
+
+type DNSClient interface {
+	GetDomain(ctx context.Context) (string, error)
+}
+
+type ImageClient interface {
+	InspectImage(ctx context.Context, id string) ([]MachineImage, error)
+	InspectRemoteImage(ctx context.Context, id string) ([]MachineRemoteImage, error)
+}
+
+type MachineClient interface {
+	InspectMachine(ctx context.Context, id string) (*pb.MachineMember, error)
+	ListMachines(ctx context.Context) ([]*pb.MachineMember, error)
+}
+
+type ServiceClient interface {
+	InspectService(ctx context.Context, id string) (Service, error)
+}
+
+// ProxyMachinesContext returns a new context that proxies gRPC requests to the specified machines.
+// If namesOrIDs is nil, all machines are included.
+func ProxyMachinesContext(ctx context.Context, cli MachineClient, namesOrIDs []string) (context.Context, error) {
+	machines, err := cli.ListMachines(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("list machines: %w", err)
+	}
+
+	md := metadata.New(nil)
+	for _, m := range machines {
+		if namesOrIDs == nil ||
+			slices.Contains(namesOrIDs, m.Machine.Name) || slices.Contains(namesOrIDs, m.Machine.Id) {
+			machineIP, _ := m.Machine.Network.ManagementIp.ToAddr()
+			md.Append("machines", machineIP.String())
+		}
+	}
+
+	return metadata.NewOutgoingContext(ctx, md), nil
+}

pkg/api/container.go

@@ -1,11 +1,13 @@
 package api
 
 import (
+	"encoding/json"
 	"fmt"
-	"github.com/docker/docker/api/types"
-	"github.com/docker/go-units"
 	"strings"
 	"time"
+
+	"github.com/docker/docker/api/types"
+	"github.com/docker/go-units"
 )
 
 const (
@@ -20,69 +22,6 @@ type Container struct {
 	types.ContainerJSON
 }
 
-// NameWithoutSlash returns the container name without the leading slash.
-func (c *Container) NameWithoutSlash() string {
-	return c.Name[1:]
-}
-
-// ServiceID returns the ID of the service this container belongs to.
-func (c *Container) ServiceID() string {
-	return c.Config.Labels[LabelServiceID]
-}
-
-// ServiceName returns the name of the service this container belongs to.
-func (c *Container) ServiceName() string {
-	return c.Config.Labels[LabelServiceName]
-}
-
-// ServiceMode returns the replication mode of the service this container belongs to.
-func (c *Container) ServiceMode() string {
-	return c.Config.Labels[LabelServiceMode]
-}
-
-// ServicePorts returns the ports this container publishes as part of its service.
-func (c *Container) ServicePorts() ([]PortSpec, error) {
-	encoded, ok := c.Config.Labels[LabelServicePorts]
-	if !ok {
-		return nil, nil
-	}
-	if strings.TrimSpace(encoded) == "" {
-		return nil, nil
-	}
-
-	publishPorts := strings.Split(encoded, ",")
-	ports := make([]PortSpec, len(publishPorts))
-	for i, p := range publishPorts {
-		port, err := ParsePortSpec(strings.TrimSpace(p))
-		if err != nil {
-			return nil, err
-		}
-		ports[i] = port
-	}
-
-	return ports, nil
-}
-
-// ServiceSpec constructs a service spec from the container's configuration.
-func (c *Container) ServiceSpec() (ServiceSpec, error) {
-	ports, err := c.ServicePorts()
-	if err != nil {
-		return ServiceSpec{}, fmt.Errorf("get service ports: %w", err)
-	}
-
-	return ServiceSpec{
-		Container: ContainerSpec{
-			Command: c.Config.Cmd,
-			Image:   c.Config.Image,
-			Init:    c.HostConfig.Init,
-			Volumes: c.HostConfig.Binds,
-		},
-		Mode:  c.ServiceMode(),
-		Name:  c.ServiceName(),
-		Ports: ports,
-	}, nil
-}
-
 // Healthy determines if the container is running and healthy.
 // A running container with no health check configured is considered healthy.
 func (c *Container) Healthy() bool {
@@ -151,8 +90,71 @@ func (c *Container) HumanState() (string, error) {
 		c.State.ExitCode, units.HumanDuration(time.Now().UTC().Sub(finishedAt))), nil
 }
 
+func (c *Container) UnmarshalJSON(data []byte) error {
+	// A temporary type that's identical to Container but doesn't have the UnmarshalJSON method.
+	type ContainerAlias Container
+
+	var temp ContainerAlias
+	if err := json.Unmarshal(data, &temp); err != nil {
+		return err
+	}
+
+	*c = Container(temp)
+	c.Name = strings.TrimPrefix(c.Name, "/")
+
+	return nil
+}
+
+type ServiceContainer struct {
+	Container
+	ServiceSpec ServiceSpec
+}
+
+type MachineContainer struct {
+	MachineID string
+	Container Container
+}
+
+// ServiceID returns the ID of the service this container belongs to.
+func (c *ServiceContainer) ServiceID() string {
+	return c.Config.Labels[LabelServiceID]
+}
+
+// ServiceName returns the name of the service this container belongs to.
+func (c *ServiceContainer) ServiceName() string {
+	return c.Config.Labels[LabelServiceName]
+}
+
+// ServiceMode returns the replication mode of the service this container belongs to.
+func (c *ServiceContainer) ServiceMode() string {
+	return c.Config.Labels[LabelServiceMode]
+}
+
+// ServicePorts returns the ports this container publishes as part of its service.
+func (c *ServiceContainer) ServicePorts() ([]PortSpec, error) {
+	encoded, ok := c.Config.Labels[LabelServicePorts]
+	if !ok {
+		return nil, nil
+	}
+	if strings.TrimSpace(encoded) == "" {
+		return nil, nil
+	}
+
+	publishPorts := strings.Split(encoded, ",")
+	ports := make([]PortSpec, len(publishPorts))
+	for i, p := range publishPorts {
+		port, err := ParsePortSpec(strings.TrimSpace(p))
+		if err != nil {
+			return nil, err
+		}
+		ports[i] = port
+	}
+
+	return ports, nil
+}
+
 // ConflictingServicePorts returns a list of service ports that conflict with the given ports.
-func (c *Container) ConflictingServicePorts(ports []PortSpec) ([]PortSpec, error) {
+func (c *ServiceContainer) ConflictingServicePorts(ports []PortSpec) ([]PortSpec, error) {
 	svcPorts, err := c.ServicePorts()
 	if err != nil {
 		return nil, fmt.Errorf("get service ports: %w", err)

pkg/api/container_test.go

@@ -1,60 +1,15 @@
 package api
 
 import (
+	"net/netip"
+	"testing"
+
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/container"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"net/netip"
-	"reflect"
-	"testing"
 )
 
-func TestContainer_ServiceSpec(t *testing.T) {
-	t.Parallel()
-
-	init := true
-	ctr := &Container{ContainerJSON: types.ContainerJSON{
-		ContainerJSONBase: &types.ContainerJSONBase{
-			HostConfig: &container.HostConfig{
-				Binds: []string{"/host/path:/container/path"},
-				Init:  &init,
-			},
-		},
-		Config: &container.Config{
-			Cmd:   []string{"/app/server"},
-			Image: "app:latest",
-			Labels: map[string]string{
-				LabelServiceID:    "test-service-id",
-				LabelServiceName:  "test-service-name",
-				LabelServicePorts: "app.example.com:8000/https",
-			},
-		},
-	}}
-
-	expectedSpec := ServiceSpec{
-		Container: ContainerSpec{
-			Command: []string{"/app/server"},
-			Image:   "app:latest",
-			Init:    &init,
-			Volumes: []string{"/host/path:/container/path"},
-		},
-		Name: "test-service-name",
-		Ports: []PortSpec{
-			{
-				Hostname:      "app.example.com",
-				ContainerPort: 8000,
-				Protocol:      ProtocolHTTPS,
-				Mode:          PortModeIngress,
-			},
-		},
-	}
-
-	spec, err := ctr.ServiceSpec()
-	require.NoError(t, err)
-	assert.True(t, reflect.DeepEqual(spec, expectedSpec))
-}
-
 func TestContainer_Healthy(t *testing.T) {
 	t.Parallel()
 
@@ -325,13 +280,13 @@ func TestContainer_ConflictingServicePorts(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			ctr := &Container{ContainerJSON: types.ContainerJSON{
+			ctr := &ServiceContainer{Container: Container{ContainerJSON: types.ContainerJSON{
 				Config: &container.Config{
 					Labels: map[string]string{
 						LabelServicePorts: tt.containerPorts,
 					},
 				},
-			}}
+			}}}
 
 			got, err := ctr.ConflictingServicePorts(tt.checkPorts)
 			if tt.wantErr {

pkg/api/error.go

@@ -0,0 +1,5 @@
+package api
+
+import "errors"
+
+var ErrNotFound = errors.New("not found")

pkg/api/image.go

@@ -0,0 +1,28 @@
+package api
+
+import (
+	"github.com/distribution/reference"
+	"github.com/docker/docker/api/types"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+)
+
+type MachineImage struct {
+	Metadata *pb.Metadata
+	Image    types.ImageInspect
+}
+
+// MachineRemoteImage represents an image in a remote registry fetched by a particular machine.
+type MachineRemoteImage struct {
+	Metadata *pb.Metadata
+	Image    RemoteImage
+}
+
+// RemoteImage represents an image in a remote registry. The canonical reference includes the image digest.
+// Either IndexManifest or ImageManifest must be set depending on whether the reference points to an index
+// (multi-platform image) or a single-platform image.
+type RemoteImage struct {
+	Reference     reference.Canonical
+	IndexManifest *v1.Index
+	ImageManifest *v1.Manifest
+}

pkg/api/port.go

@@ -3,6 +3,7 @@ package api
 import (
 	"fmt"
 	"net/netip"
+	"slices"
 	"strconv"
 	"strings"
 )
@@ -62,9 +63,6 @@ func (p *PortSpec) Validate() error {
 				return fmt.Errorf("invalid hostname '%s': %w", p.Hostname, err)
 			}
 		}
-		if p.Hostname == "" && (p.Protocol == ProtocolHTTP || p.Protocol == ProtocolHTTPS) {
-			return fmt.Errorf("hostname is required with '%s' or '%s' protocols", ProtocolHTTP, ProtocolHTTPS)
-		}
 	case PortModeHost:
 		if p.PublishedPort == 0 {
 			return fmt.Errorf("published port is required in %s mode", PortModeHost)
@@ -216,9 +214,7 @@ func ParsePortSpec(port string) (PortSpec, error) {
 				return spec, fmt.Errorf("invalid host IP '%s': %w", parts[0], err)
 			}
 		} else {
-			if parts[0] == "" {
-				return spec, fmt.Errorf("hostname must not be empty")
-			}
+			// Hostname may be empty.
 			spec.Hostname = parts[0]
 		}
 
@@ -266,3 +262,31 @@ func validateHostname(hostname string) error {
 	}
 	return nil
 }
+
+// PortsEqual returns true if the two port sets are equal. The order of the ports is not important.
+func PortsEqual(a, b []PortSpec) bool {
+	if len(a) != len(b) {
+		return false
+	}
+
+	var err error
+	aSerialised := make([]string, len(a))
+	bSerialised := make([]string, len(b))
+
+	for i := range a {
+		aSerialised[i], err = a[i].String()
+		if err != nil {
+			return false
+		}
+
+		bSerialised[i], err = b[i].String()
+		if err != nil {
+			return false
+		}
+	}
+
+	slices.Sort(aSerialised)
+	slices.Sort(bSerialised)
+
+	return slices.Equal(aSerialised, bSerialised)
+}

pkg/api/port_test.go

@@ -50,6 +50,22 @@ func TestPortSpec_Validate(t *testing.T) {
 				Mode:          PortModeIngress,
 			},
 		},
+		{
+			name: "ingress mode without hostname http",
+			spec: PortSpec{
+				ContainerPort: 8080,
+				Protocol:      ProtocolHTTP,
+				Mode:          PortModeIngress,
+			},
+		},
+		{
+			name: "ingress mode without hostname https",
+			spec: PortSpec{
+				ContainerPort: 8080,
+				Protocol:      ProtocolHTTPS,
+				Mode:          PortModeIngress,
+			},
+		},
 		{
 			name: "ingress mode with hostname and http",
 			spec: PortSpec{
@@ -164,24 +180,6 @@ func TestPortSpec_Validate(t *testing.T) {
 			},
 			wantErr: "invalid hostname 'app': must be a valid domain name containing at least one dot",
 		},
-		{
-			name: "missing hostname with http",
-			spec: PortSpec{
-				ContainerPort: 8080,
-				Protocol:      ProtocolHTTP,
-				Mode:          PortModeIngress,
-			},
-			wantErr: "hostname is required with 'http' or 'https' protocols",
-		},
-		{
-			name: "missing hostname with https",
-			spec: PortSpec{
-				ContainerPort: 8080,
-				Protocol:      ProtocolHTTPS,
-				Mode:          PortModeIngress,
-			},
-			wantErr: "hostname is required with 'http' or 'https' protocols",
-		},
 		{
 			name: "host IP in ingress mode",
 			spec: PortSpec{
@@ -468,6 +466,15 @@ func TestParsePortSpec(t *testing.T) {
 				Mode:          PortModeIngress,
 			},
 		},
+		{
+			name: "container port http without hostname",
+			port: "8080/http",
+			expected: PortSpec{
+				ContainerPort: 8080,
+				Protocol:      ProtocolHTTP,
+				Mode:          PortModeIngress,
+			},
+		},
 		{
 			name: "hostname and container port http",
 			port: "app.example.com:8080/http",
@@ -602,21 +609,6 @@ func TestParsePortSpec(t *testing.T) {
 			port:    "app.example.com:invalid:8080",
 			wantErr: "invalid published port",
 		},
-		{
-			name:    "missing hostname with http",
-			port:    "8080/http",
-			wantErr: "hostname is required",
-		},
-		{
-			name:    "missing hostname with http",
-			port:    "8080/https",
-			wantErr: "hostname is required",
-		},
-		{
-			name:    "missing hostname with published https port",
-			port:    "8000:8080/https",
-			wantErr: "hostname is required",
-		},
 		{
 			name:    "invalid hostname",
 			port:    "app:8080/http",

pkg/api/service.go

@@ -0,0 +1,252 @@
+package api
+
+import (
+	"encoding/json"
+	"fmt"
+	"maps"
+	"reflect"
+	"regexp"
+	"slices"
+
+	"github.com/distribution/reference"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+)
+
+const (
+	ServiceModeReplicated = "replicated"
+	ServiceModeGlobal     = "global"
+
+	// PullPolicyAlways means the image is always pulled from the registry.
+	PullPolicyAlways = "always"
+	// PullPolicyMissing means the image is pulled from the registry only if it's not available on the machine where
+	// a container is started. This is the default pull policy.
+	// TODO: make each machine aware of the images on other machines and it possible to pull from them.
+	// 	Pull from the registry only if the image is missing on all machines.
+	PullPolicyMissing = "missing"
+	// PullPolicyNever means the image is never pulled from the registry. A service with this pull policy can only be
+	// deployed to machines where the image is already available.
+	// TODO: see the TODO above for PullPolicyMissing. Pull from other machines in the cluster if available.
+	PullPolicyNever = "never"
+)
+
+var serviceIDRegexp = regexp.MustCompile("^[0-9a-f]{32}$")
+
+func ValidateServiceID(id string) bool {
+	return serviceIDRegexp.MatchString(id)
+}
+
+// ServiceSpec defines the desired state of a service.
+// ATTENTION: after changing this struct, verify if deploy.EvalContainerSpecChange needs to be updated.
+type ServiceSpec struct {
+	Container ContainerSpec
+	// Mode is the replication mode of the service. Default is ServiceModeReplicated if empty.
+	Mode string
+	Name string
+	// Ports defines what service ports to publish to make the service accessible outside the cluster.
+	Ports []PortSpec
+	// Replicas is the number of containers to run for the service. Only valid for a replicated service.
+	Replicas uint `json:",omitempty"`
+}
+
+func (s *ServiceSpec) SetDefaults() ServiceSpec {
+	spec := s.Clone()
+
+	if spec.Mode == "" {
+		spec.Mode = ServiceModeReplicated
+	}
+	// Ensure the replicated service has at least one replica.
+	if spec.Mode == ServiceModeReplicated && spec.Replicas == 0 {
+		spec.Replicas = 1
+	}
+	spec.Container = spec.Container.SetDefaults()
+
+	return spec
+}
+
+func (s *ServiceSpec) Validate() error {
+	if err := s.Container.Validate(); err != nil {
+		return err
+	}
+
+	switch s.Mode {
+	case "", ServiceModeGlobal, ServiceModeReplicated:
+	default:
+		return fmt.Errorf("invalid mode: %q", s.Mode)
+	}
+
+	// TODO: validate the service name is a valid DNS label.
+
+	for _, p := range s.Ports {
+		if (p.Mode == "" || p.Mode == PortModeIngress) &&
+			p.Protocol != ProtocolHTTP && p.Protocol != ProtocolHTTPS {
+			return fmt.Errorf("unsupported protocol for ingress port %d: %s", p.ContainerPort, p.Protocol)
+		}
+	}
+
+	// TODO: validate there is no conflict between ports.
+
+	return nil
+}
+
+func (s *ServiceSpec) Clone() ServiceSpec {
+	spec := *s
+
+	if s.Ports != nil {
+		spec.Ports = make([]PortSpec, len(s.Ports))
+		copy(spec.Ports, s.Ports)
+	}
+	spec.Container = s.Container.Clone()
+
+	return spec
+}
+
+// ContainerSpec defines the desired state of a container in a service.
+// ATTENTION: after changing this struct, verify if deploy.EvalContainerSpecChange needs to be updated.
+type ContainerSpec struct {
+	// Command overrides the default CMD of the image to be executed when running a container.
+	Command []string
+	// Entrypoint overrides the default ENTRYPOINT of the image.
+	Entrypoint []string
+	Image      string
+	// Run a custom init inside the container. If nil, use the daemon's configured settings.
+	Init *bool
+	// PullPolicy determines when to pull the image from the registry or use the image already available in the cluster.
+	// Default is PullPolicyMissing if empty.
+	PullPolicy string
+	// List of volumes to bind mount into the container.
+	Volumes []string
+}
+
+// SetDefaults returns a copy of the container spec with default values set.
+func (s *ContainerSpec) SetDefaults() ContainerSpec {
+	spec := s.Clone()
+	if spec.PullPolicy == "" {
+		spec.PullPolicy = PullPolicyMissing
+	}
+
+	return spec
+}
+
+func (s *ContainerSpec) Validate() error {
+	if _, err := reference.ParseDockerRef(s.Image); err != nil {
+		return fmt.Errorf("invalid image: %w", err)
+	}
+
+	return nil
+}
+
+func (s *ContainerSpec) Equals(spec ContainerSpec) bool {
+	orig := s.SetDefaults()
+	spec = spec.SetDefaults()
+
+	slices.Sort(orig.Volumes)
+	slices.Sort(spec.Volumes)
+
+	return reflect.DeepEqual(orig, spec)
+}
+
+func (s *ContainerSpec) Clone() ContainerSpec {
+	spec := *s
+
+	if s.Command != nil {
+		spec.Command = make([]string, len(s.Command))
+		copy(spec.Command, s.Command)
+	}
+	if s.Entrypoint != nil {
+		spec.Entrypoint = make([]string, len(s.Entrypoint))
+		copy(spec.Entrypoint, s.Entrypoint)
+	}
+	if s.Volumes != nil {
+		spec.Volumes = make([]string, len(s.Volumes))
+		copy(spec.Volumes, s.Volumes)
+	}
+
+	return spec
+}
+
+type Service struct {
+	ID         string
+	Name       string
+	Mode       string
+	Containers []MachineServiceContainer
+}
+
+type MachineServiceContainer struct {
+	MachineID string
+	Container ServiceContainer
+}
+
+// Endpoints returns the exposed HTTP and HTTPS endpoints of the service.
+func (s *Service) Endpoints() []string {
+	endpoints := make(map[string]struct{})
+
+	// Container specs may differ between containers in the same service, e.g. during a rolling update,
+	// so we need to collect all unique endpoints.
+	for _, ctr := range s.Containers {
+		ports, err := ctr.Container.ServicePorts()
+		if err != nil {
+			continue
+		}
+
+		for _, port := range ports {
+			protocol := ""
+			switch port.Protocol {
+			case ProtocolHTTP:
+				protocol = "http"
+			case ProtocolHTTPS:
+				protocol = "https"
+			default:
+				continue
+			}
+
+			if port.Hostname == "" {
+				// There shouldn't be http(s) ports without a hostname but just in case ignore them.
+				continue
+			}
+
+			endpoint := fmt.Sprintf("%s://%s", protocol, port.Hostname)
+			if port.PublishedPort != 0 {
+				// For non-standard ports (80/443), include the port in the URL.
+				if !(port.Protocol == ProtocolHTTP && port.PublishedPort == 80) &&
+					!(port.Protocol == ProtocolHTTPS && port.PublishedPort == 443) {
+					endpoint += fmt.Sprintf(":%d", port.PublishedPort)
+				}
+			}
+
+			endpoint += fmt.Sprintf(" → :%d", port.ContainerPort)
+			endpoints[endpoint] = struct{}{}
+		}
+	}
+
+	return slices.Sorted(maps.Keys(endpoints))
+}
+
+func ServiceFromProto(s *pb.Service) (Service, error) {
+	var err error
+	containers := make([]MachineServiceContainer, len(s.Containers))
+	for i, sc := range s.Containers {
+		containers[i], err = machineContainerFromProto(sc)
+		if err != nil {
+			return Service{}, err
+		}
+	}
+
+	return Service{
+		ID:         s.Id,
+		Name:       s.Name,
+		Mode:       s.Mode,
+		Containers: containers,
+	}, nil
+}
+
+func machineContainerFromProto(sc *pb.Service_Container) (MachineServiceContainer, error) {
+	var c Container
+	if err := json.Unmarshal(sc.Container, &c); err != nil {
+		return MachineServiceContainer{}, fmt.Errorf("unmarshal container: %w", err)
+	}
+
+	return MachineServiceContainer{
+		MachineID: sc.MachineId,
+		Container: ServiceContainer{Container: c},
+	}, nil
+}

pkg/client/caddy.go

@@ -0,0 +1,102 @@
+package client
+
+import (
+	"fmt"
+	"github.com/Masterminds/semver"
+	"github.com/distribution/reference"
+	"github.com/google/go-containerregistry/pkg/name"
+	"github.com/google/go-containerregistry/pkg/v1/remote"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/psviderski/uncloud/pkg/client/deploy"
+	"regexp"
+)
+
+const (
+	CaddyServiceName = "caddy"
+	// CaddyImage is the official Caddy Docker image on Docker Hub: https://hub.docker.com/_/caddy
+	CaddyImage = "caddy"
+)
+
+var caddyImageTagRegex = regexp.MustCompile(`^2\.\d+\.\d+$`)
+
+// NewCaddyDeployment creates a new deployment for a Caddy reverse proxy service.
+// The service is deployed in global mode to all machines in the cluster. If the image is not provided, the latest
+// version of the official Caddy Docker image is used.
+func (cli *Client) NewCaddyDeployment(image string, filter deploy.MachineFilter) (*deploy.Deployment, error) {
+	latest, err := LatestCaddyImage()
+	if err != nil {
+		return nil, fmt.Errorf("look up latest Caddy image: %w", err)
+	}
+
+	if image == "" {
+		image = reference.FamiliarString(latest)
+	}
+
+	spec := api.ServiceSpec{
+		Container: api.ContainerSpec{
+			Command: []string{"caddy", "run", "-c", "/config/caddy.json", "--watch"},
+			Image:   image,
+			Volumes: []string{"/var/lib/uncloud/caddy:/config"},
+		},
+		Mode: api.ServiceModeGlobal,
+		Name: CaddyServiceName,
+		Ports: []api.PortSpec{
+			{
+				PublishedPort: 80,
+				ContainerPort: 80,
+				Protocol:      api.ProtocolTCP,
+				Mode:          api.PortModeHost,
+			},
+			{
+				PublishedPort: 443,
+				ContainerPort: 443,
+				Protocol:      api.ProtocolTCP,
+				Mode:          api.PortModeHost,
+			},
+		},
+	}
+
+	return cli.NewDeployment(spec, &deploy.RollingStrategy{MachineFilter: filter}), nil
+}
+
+// LatestCaddyImage returns the latest image of the official Caddy Docker image on Docker Hub.
+// The latest image is determined by the latest version tag 2.x.x.
+func LatestCaddyImage() (reference.NamedTagged, error) {
+	repo, err := name.NewRepository(CaddyImage)
+	if err != nil {
+		return nil, fmt.Errorf("parse image: %w", err)
+	}
+	tags, err := remote.List(repo)
+	if err != nil {
+		return nil, fmt.Errorf("list image tags: %w", err)
+	}
+
+	// Default to the 'latest' tag but try to find the latest version tag 2.x.x.
+	latestTag := "latest"
+	var latestVersion *semver.Version
+	for _, t := range tags {
+		if !caddyImageTagRegex.MatchString(t) {
+			continue
+		}
+
+		v, err := semver.NewVersion(t)
+		if err != nil {
+			continue
+		}
+		if latestVersion == nil || v.GreaterThan(latestVersion) {
+			latestVersion = v
+			latestTag = t
+		}
+	}
+
+	image, err := reference.ParseDockerRef(CaddyImage)
+	if err != nil {
+		return nil, fmt.Errorf("parse image: %w", err)
+	}
+	imageWithTag, err := reference.WithTag(image, latestTag)
+	if err != nil {
+		return nil, fmt.Errorf("set image tag: %w", err)
+	}
+
+	return imageWithTag, nil
+}

pkg/client/caddy_test.go

@@ -0,0 +1,17 @@
+package client
+
+import (
+	"github.com/distribution/reference"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"testing"
+)
+
+func TestLatestCaddyImage(t *testing.T) {
+	t.Parallel()
+
+	image, err := LatestCaddyImage()
+	require.NoError(t, err)
+
+	assert.Regexp(t, `^caddy:2\.\d+\.\d+$`, reference.FamiliarString(image))
+}

pkg/client/client.go

@@ -4,16 +4,16 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"os"
+
 	"github.com/docker/cli/cli/streams"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/internal/machine/docker"
+	"github.com/psviderski/uncloud/pkg/api"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/metadata"
-	"os"
-	"uncloud/internal/machine/api/pb"
-	"uncloud/internal/machine/docker"
 )
 
-var ErrNotFound = errors.New("not found")
-
 // Client is a client for the machine API.
 type Client struct {
 	connector Connector
@@ -26,6 +26,8 @@ type Client struct {
 	Docker *docker.Client
 }
 
+var _ api.Client = (*Client)(nil)
+
 // Connector is an interface for establishing a connection to the machine API.
 type Connector interface {
 	Connect(ctx context.Context) (*grpc.ClientConn, error)

pkg/client/cluster.go

@@ -2,8 +2,9 @@ package client
 
 import (
 	"context"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/pkg/api"
 	"google.golang.org/protobuf/types/known/emptypb"
-	"uncloud/internal/machine/api/pb"
 )
 
 func (cli *Client) InspectMachine(ctx context.Context, id string) (*pb.MachineMember, error) {
@@ -18,7 +19,7 @@ func (cli *Client) InspectMachine(ctx context.Context, id string) (*pb.MachineMe
 		}
 	}
 
-	return nil, ErrNotFound
+	return nil, api.ErrNotFound
 }
 
 func (cli *Client) ListMachines(ctx context.Context) ([]*pb.MachineMember, error) {

pkg/client/compose/deploy.go

@@ -0,0 +1,112 @@
+package compose
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"github.com/compose-spec/compose-go/v2/graph"
+	"github.com/compose-spec/compose-go/v2/types"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/psviderski/uncloud/pkg/client/deploy"
+)
+
+type Client interface {
+	api.DNSClient
+	deploy.Client
+}
+
+type Deployment struct {
+	Client       Client
+	Project      *types.Project
+	SpecResolver *deploy.ServiceSpecResolver
+	plan         *deploy.SequenceOperation
+}
+
+func NewDeployment(ctx context.Context, cli Client, project *types.Project) (*Deployment, error) {
+	domain, err := cli.GetDomain(ctx)
+	if err != nil && !errors.Is(err, api.ErrNotFound) {
+		return nil, fmt.Errorf("get cluster domain: %w", err)
+	}
+
+	resolver := &deploy.ServiceSpecResolver{
+		// If the domain is not found (not reserved), an empty domain is used for the resolver.
+		ClusterDomain: domain,
+		// TODO: provide an image resolver.
+	}
+
+	return &Deployment{
+		Client:       cli,
+		Project:      project,
+		SpecResolver: resolver,
+	}, nil
+}
+
+func (d *Deployment) Plan(ctx context.Context) (deploy.SequenceOperation, error) {
+	if d.plan != nil {
+		return *d.plan, nil
+	}
+
+	plan := deploy.SequenceOperation{}
+	err := graph.InDependencyOrder(ctx, d.Project,
+		func(ctx context.Context, name string, _ types.ServiceConfig) error {
+			spec, err := d.ServiceSpec(name)
+			if err != nil {
+				return fmt.Errorf("convert compose service '%s' to service spec: %w", name, err)
+			}
+
+			// TODO: properly handle depends_on conditions in the service deployment plan as the first operation.
+			deployment := deploy.NewDeployment(d.Client, spec, nil)
+			if err != nil {
+				return fmt.Errorf("create deployment for service '%s': %w", name, err)
+			}
+
+			servicePlan, err := deployment.Plan(ctx)
+			if err != nil {
+				return fmt.Errorf("create deployment plan for service '%s': %w", name, err)
+			}
+
+			// Skip no-op (up-to-date) service plans.
+			if len(servicePlan.Operations) > 0 {
+				plan.Operations = append(plan.Operations, &servicePlan)
+			}
+
+			return nil
+		})
+	if err != nil {
+		d.plan = &plan
+	}
+
+	return plan, err
+}
+
+// ServiceSpec returns the service specification for the given compose service that is ready for deployment.
+func (d *Deployment) ServiceSpec(name string) (api.ServiceSpec, error) {
+	service, err := d.Project.GetService(name)
+	if err != nil {
+		return api.ServiceSpec{}, fmt.Errorf("get config for compose service '%s': %w", name, err)
+	}
+
+	spec, err := ServiceSpecFromCompose(name, service)
+	if err != nil {
+		return spec, fmt.Errorf("convert compose service '%s' to service spec: %w", name, err)
+	}
+
+	// TODO: resolve the image to a digest and supported platforms using an image resolver that broadcasts requests
+	//  to all machines in the cluster. If service.PullPolicy is "missing":
+	//    - Broadcast request if any machine contains a particular image and resolve it to image@digest.
+	//    - If not found, broadcast request to resolve an image using a registry, and resolve it to image@digest.
+	// TODO: configure placement filter based on the supported platforms of the image.
+
+	// TODO: maybe instantiate ImageResolver here based on PullPolicy of each service?
+
+	return spec, nil
+}
+
+func (d *Deployment) Run(ctx context.Context) error {
+	plan, err := d.Plan(ctx)
+	if err != nil {
+		return fmt.Errorf("create plan: %w", err)
+	}
+
+	return plan.Execute(ctx, d.Client)
+}

pkg/client/compose/port.go

@@ -0,0 +1,43 @@
+package compose
+
+import (
+	"fmt"
+	"github.com/compose-spec/compose-go/v2/types"
+	"github.com/psviderski/uncloud/pkg/api"
+)
+
+const PortsExtensionKey = "x-ports"
+
+type PortsSource []string
+
+// TransformServicesPortsExtension transforms the ports extension of all services in the project by replacing a string
+// representation of each port with a parsed PortSpec.
+func transformServicesPortsExtension(project *types.Project) (*types.Project, error) {
+	return project.WithServicesTransform(func(name string, service types.ServiceConfig) (types.ServiceConfig, error) {
+		ports, ok := service.Extensions[PortsExtensionKey].(PortsSource)
+		if !ok {
+			return service, nil
+		}
+
+		specs, err := transformPortsExtension(ports)
+		if err != nil {
+			return service, err
+		}
+
+		service.Extensions[PortsExtensionKey] = specs
+		return service, nil
+	})
+}
+
+func transformPortsExtension(ports PortsSource) ([]api.PortSpec, error) {
+	var specs []api.PortSpec
+	for _, port := range ports {
+		spec, err := api.ParsePortSpec(port)
+		if err != nil {
+			return specs, fmt.Errorf("parse port %q: %w", port, err)
+		}
+		specs = append(specs, spec)
+	}
+
+	return specs, nil
+}

pkg/client/compose/project.go

@@ -0,0 +1,39 @@
+package compose
+
+// TODO: make compose, cli, and api packages public.
+
+import (
+	"context"
+	"fmt"
+	composecli "github.com/compose-spec/compose-go/v2/cli"
+	"github.com/compose-spec/compose-go/v2/types"
+)
+
+func LoadProject(ctx context.Context, paths []string) (*types.Project, error) {
+	options, err := composecli.NewProjectOptions(
+		paths,
+		// First apply os.Environment, always wins.
+		composecli.WithOsEnv,
+		// Read dot env file to populate project environment.
+		composecli.WithDotEnv,
+		// Get compose file path set by COMPOSE_FILE.
+		composecli.WithConfigFileEnv,
+		// If none was selected, get default compose-ports-long.yaml file from current dir or parent folders.
+		composecli.WithDefaultConfigPath,
+		composecli.WithExtension(PortsExtensionKey, PortsSource{}),
+	)
+	if err != nil {
+		return nil, fmt.Errorf("create compose parser options: %w", err)
+	}
+
+	project, err := options.LoadProject(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	if project, err = transformServicesPortsExtension(project); err != nil {
+		return nil, err
+	}
+
+	return project, nil
+}

pkg/client/compose/service.go

@@ -0,0 +1,53 @@
+package compose
+
+import (
+	"fmt"
+	"github.com/compose-spec/compose-go/v2/types"
+	"github.com/psviderski/uncloud/pkg/api"
+)
+
+func ServiceSpecFromCompose(name string, service types.ServiceConfig) (api.ServiceSpec, error) {
+	pullPolicy := ""
+	switch service.PullPolicy {
+	case types.PullPolicyAlways:
+		pullPolicy = api.PullPolicyAlways
+	case "", types.PullPolicyMissing, types.PullPolicyIfNotPresent:
+		pullPolicy = api.PullPolicyMissing
+	case types.PullPolicyNever:
+		pullPolicy = api.PullPolicyNever
+	default:
+		return api.ServiceSpec{}, fmt.Errorf("unsupported pull policy: '%s'", service.PullPolicy)
+	}
+
+	spec := api.ServiceSpec{
+		Container: api.ContainerSpec{
+			Command:    service.Command,
+			Image:      service.Image,
+			Init:       service.Init,
+			PullPolicy: pullPolicy,
+			// TODO: env
+			// TODO: volumes
+		},
+		Name: name,
+	}
+
+	if ports, ok := service.Extensions[PortsExtensionKey].([]api.PortSpec); ok {
+		spec.Ports = ports
+	}
+
+	if service.Deploy != nil {
+		switch service.Deploy.Mode {
+		case "global":
+			spec.Mode = api.ServiceModeGlobal
+		case "", "replicated":
+			spec.Mode = api.ServiceModeReplicated
+			if service.Deploy.Replicas != nil {
+				spec.Replicas = uint(*service.Deploy.Replicas)
+			}
+		default:
+			return spec, fmt.Errorf("unsupported deploy mode: %s", service.Deploy.Mode)
+		}
+	}
+
+	return spec, nil
+}

pkg/client/connector/ssh.go

@@ -3,13 +3,13 @@ package connector
 import (
 	"context"
 	"fmt"
+	"github.com/psviderski/uncloud/internal/machine"
+	"github.com/psviderski/uncloud/internal/sshexec"
 	"golang.org/x/crypto/ssh"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
 	"net"
 	"strings"
-	"uncloud/internal/machine"
-	"uncloud/internal/sshexec"
 )
 
 type SSHConnectorConfig struct {

pkg/client/connector/wireguard.go

@@ -3,16 +3,16 @@ package connector
 import (
 	"context"
 	"fmt"
+	"github.com/psviderski/uncloud/internal/cli/config"
+	machine2 "github.com/psviderski/uncloud/internal/machine"
+	"github.com/psviderski/uncloud/internal/machine/network"
+	"github.com/psviderski/uncloud/internal/machine/network/tunnel"
+	"github.com/psviderski/uncloud/pkg/client"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
 	"net"
 	"net/netip"
 	"strconv"
-	"uncloud/internal/cli/client"
-	"uncloud/internal/cli/config"
-	machine2 "uncloud/internal/machine"
-	"uncloud/internal/machine/network"
-	"uncloud/internal/machine/network/tunnel"
 )
 
 // WireGuardConnector establishes a connection to the cluster API through a WireGuard tunnel

pkg/client/container.go

@@ -4,17 +4,15 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"strings"
+
 	"github.com/docker/compose/v2/pkg/progress"
 	"github.com/docker/docker/api/types/container"
-	"github.com/docker/docker/api/types/network"
 	dockerclient "github.com/docker/docker/client"
 	"github.com/docker/docker/pkg/jsonmessage"
-	"github.com/docker/go-connections/nat"
-	"strconv"
-	"strings"
-	"uncloud/internal/api"
-	machinedocker "uncloud/internal/machine/docker"
-	"uncloud/internal/secret"
+	"github.com/psviderski/uncloud/internal/secret"
+	"github.com/psviderski/uncloud/pkg/api"
+	"google.golang.org/grpc/status"
 )
 
 // CreateContainer creates a new container for the given service on the specified machine.
@@ -23,9 +21,11 @@ func (cli *Client) CreateContainer(
 ) (container.CreateResponse, error) {
 	var resp container.CreateResponse
 
-	if serviceID == "" {
-		return resp, errors.New("service ID is required")
+	spec = spec.SetDefaults()
+	if err := spec.Validate(); err != nil {
+		return resp, fmt.Errorf("invalid service spec: %w", err)
 	}
+	// TODO: validate spec.Name is consistent with serviceID if this is not the first container in the service.
 
 	machine, err := cli.InspectMachine(ctx, machineID)
 	if err != nil {
@@ -38,75 +38,39 @@ func (cli *Client) CreateContainer(
 	}
 	containerName := fmt.Sprintf("%s-%s", spec.Name, suffix)
 
-	config := &container.Config{
-		Cmd:   spec.Container.Command,
-		Image: spec.Container.Image,
-		Labels: map[string]string{
-			api.LabelServiceID:   serviceID,
-			api.LabelServiceName: spec.Name,
-			api.LabelManaged:     "",
-		},
-	}
-	if spec.Mode != "" {
-		config.Labels[api.LabelServiceMode] = spec.Mode
-	}
-
-	if len(spec.Ports) > 0 {
-		encodedPorts := make([]string, len(spec.Ports))
-		for i, p := range spec.Ports {
-			encodedPorts[i], err = p.String()
-			if err != nil {
-				return resp, fmt.Errorf("encode service port spec: %w", err)
-			}
-		}
-
-		config.Labels[api.LabelServicePorts] = strings.Join(encodedPorts, ",")
-	}
-
-	portBindings := make(nat.PortMap)
-	for _, p := range spec.Ports {
-		if p.Mode != api.PortModeHost {
-			continue
-		}
-		port := nat.Port(fmt.Sprintf("%d/%s", p.ContainerPort, p.Protocol))
-		portBindings[port] = []nat.PortBinding{
-			{
-				HostPort: strconv.Itoa(int(p.PublishedPort)),
-			},
-		}
-		if p.HostIP.IsValid() {
-			portBindings[port][0].HostIP = p.HostIP.String()
-		}
-	}
-	hostConfig := &container.HostConfig{
-		Binds:        spec.Container.Volumes,
-		Init:         spec.Container.Init,
-		PortBindings: portBindings,
-	}
-	netConfig := &network.NetworkingConfig{
-		EndpointsConfig: map[string]*network.EndpointSettings{
-			machinedocker.NetworkName: {},
-		},
-	}
-
 	// Proxy Docker gRPC requests to the selected machine.
 	ctx = proxyToMachine(ctx, machine.Machine)
 
 	pw := progress.ContextWriter(ctx)
 	eventID := fmt.Sprintf("Container %s on %s", containerName, machine.Machine.Name)
-
 	pw.Event(progress.CreatingEvent(eventID))
-	resp, err = cli.Docker.CreateContainer(ctx, config, hostConfig, netConfig, nil, containerName)
+
+	if spec.Container.PullPolicy == api.PullPolicyAlways {
+		if err = cli.pullImageWithProgress(ctx, spec.Container.Image, machine.Machine.Name, eventID); err != nil {
+			return resp, err
+		}
+	}
+
+	resp, err = cli.Docker.CreateServiceContainer(ctx, serviceID, spec, containerName)
 	if err != nil {
+		switch spec.Container.PullPolicy {
+		case api.PullPolicyAlways, api.PullPolicyNever:
+			return resp, err
+		case api.PullPolicyMissing:
+		default:
+			return resp, fmt.Errorf("unsupported pull policy: '%s'", spec.Container.PullPolicy)
+		}
+
+		// Not found error is expected if the image is missing.
 		if !dockerclient.IsErrNotFound(err) {
 			return resp, err
 		}
 
 		// Pull the missing image and create the container again.
-		if err = cli.pullImageWithProgress(ctx, config.Image, machine.Machine.Name, eventID); err != nil {
+		if err = cli.pullImageWithProgress(ctx, spec.Container.Image, machine.Machine.Name, eventID); err != nil {
 			return resp, err
 		}
-		if resp, err = cli.Docker.CreateContainer(ctx, config, hostConfig, netConfig, nil, containerName); err != nil {
+		if resp, err = cli.Docker.CreateServiceContainer(ctx, serviceID, spec, containerName); err != nil {
 			return resp, err
 		}
 	}
@@ -127,14 +91,15 @@ func (cli *Client) pullImageWithProgress(ctx context.Context, image, machineName
 
 	pullCh, err := cli.Docker.PullImage(ctx, image)
 	if err != nil {
+		statusErr := status.Convert(err)
 		pw.Event(progress.Event{
 			ID:         eventID,
 			ParentID:   parentEventID,
 			Text:       "Error",
 			Status:     progress.Error,
-			StatusText: errors.Unwrap(err).Error(),
+			StatusText: statusErr.Message(),
 		})
-		return fmt.Errorf("pull image: %w", err)
+		return fmt.Errorf("pull image: %w", errors.New(statusErr.Message()))
 	}
 
 	// Wait for pull to complete by reading all progress messages and converting them to events.
@@ -147,14 +112,15 @@ func (cli *Client) pullImageWithProgress(ctx context.Context, image, machineName
 			}
 		}
 		if err != nil {
+			statusErr := status.Convert(err)
 			pw.Event(progress.Event{
 				ID:         eventID,
 				ParentID:   parentEventID,
 				Text:       "Error",
 				Status:     progress.Error,
-				StatusText: errors.Unwrap(err).Error(),
+				StatusText: statusErr.Message(),
 			})
-			return fmt.Errorf("pull image: %w", err)
+			return fmt.Errorf("pull image: %w", errors.New(statusErr.Message()))
 		}
 
 		// TODO: add like in compose: --quiet-pull Pull without printing progress information
@@ -224,29 +190,26 @@ func toPullProgressEvent(jm jsonmessage.JSONMessage) *progress.Event {
 }
 
 // InspectContainer returns the information about the specified container within the service.
-func (cli *Client) InspectContainer(ctx context.Context, serviceID, containerID string) (api.MachineContainer, error) {
-	var ctr api.MachineContainer
-
-	svc, err := cli.InspectService(ctx, serviceID)
+func (cli *Client) InspectContainer(
+	ctx context.Context, serviceNameOrID, containerNameOrID string,
+) (api.MachineServiceContainer, error) {
+	svc, err := cli.InspectService(ctx, serviceNameOrID)
 	if err != nil {
-		return ctr, fmt.Errorf("inspect service: %w", err)
+		return api.MachineServiceContainer{}, fmt.Errorf("inspect service: %w", err)
 	}
 
 	for _, c := range svc.Containers {
-		if c.Container.ID == containerID || c.Container.NameWithoutSlash() == containerID {
-			ctr = c
+		if c.Container.ID == containerNameOrID || c.Container.Name == containerNameOrID {
+			return c, nil
 		}
 	}
-	if ctr.MachineID == "" {
-		return ctr, ErrNotFound
-	}
 
-	return ctr, nil
+	return api.MachineServiceContainer{}, api.ErrNotFound
 }
 
 // StartContainer starts the specified container within the service.
-func (cli *Client) StartContainer(ctx context.Context, serviceID, containerID string) error {
-	ctr, err := cli.InspectContainer(ctx, serviceID, containerID)
+func (cli *Client) StartContainer(ctx context.Context, serviceNameOrID, containerNameOrID string) error {
+	ctr, err := cli.InspectContainer(ctx, serviceNameOrID, containerNameOrID)
 	if err != nil {
 		return err
 	}
@@ -258,7 +221,7 @@ func (cli *Client) StartContainer(ctx context.Context, serviceID, containerID st
 	ctx = proxyToMachine(ctx, machine.Machine)
 
 	pw := progress.ContextWriter(ctx)
-	eventID := fmt.Sprintf("Container %s on %s", ctr.Container.NameWithoutSlash(), machine.Machine.Name)
+	eventID := fmt.Sprintf("Container %s on %s", ctr.Container.Name, machine.Machine.Name)
 
 	pw.Event(progress.StartingEvent(eventID))
 	if err = cli.Docker.StartContainer(ctx, ctr.Container.ID, container.StartOptions{}); err != nil {
@@ -271,9 +234,9 @@ func (cli *Client) StartContainer(ctx context.Context, serviceID, containerID st
 
 // StopContainer stops the specified container within the service.
 func (cli *Client) StopContainer(
-	ctx context.Context, serviceID, containerID string, opts container.StopOptions,
+	ctx context.Context, serviceNameOrID, containerNameOrID string, opts container.StopOptions,
 ) error {
-	ctr, err := cli.InspectContainer(ctx, serviceID, containerID)
+	ctr, err := cli.InspectContainer(ctx, serviceNameOrID, containerNameOrID)
 	if err != nil {
 		return err
 	}
@@ -285,7 +248,7 @@ func (cli *Client) StopContainer(
 	ctx = proxyToMachine(ctx, machine.Machine)
 
 	pw := progress.ContextWriter(ctx)
-	eventID := fmt.Sprintf("Container %s on %s", ctr.Container.NameWithoutSlash(), machine.Machine.Name)
+	eventID := fmt.Sprintf("Container %s on %s", ctr.Container.Name, machine.Machine.Name)
 
 	pw.Event(progress.StoppingEvent(eventID))
 	if err = cli.Docker.StopContainer(ctx, ctr.Container.ID, opts); err != nil {
@@ -298,9 +261,9 @@ func (cli *Client) StopContainer(
 
 // RemoveContainer removes the specified container within the service.
 func (cli *Client) RemoveContainer(
-	ctx context.Context, serviceID, containerID string, opts container.RemoveOptions,
+	ctx context.Context, serviceNameOrID, containerNameOrID string, opts container.RemoveOptions,
 ) error {
-	ctr, err := cli.InspectContainer(ctx, serviceID, containerID)
+	ctr, err := cli.InspectContainer(ctx, serviceNameOrID, containerNameOrID)
 	if err != nil {
 		return err
 	}
@@ -312,10 +275,10 @@ func (cli *Client) RemoveContainer(
 	ctx = proxyToMachine(ctx, machine.Machine)
 
 	pw := progress.ContextWriter(ctx)
-	eventID := fmt.Sprintf("Container %s on %s", ctr.Container.NameWithoutSlash(), machine.Machine.Name)
+	eventID := fmt.Sprintf("Container %s on %s", ctr.Container.Name, machine.Machine.Name)
 
 	pw.Event(progress.RemovingEvent(eventID))
-	if err = cli.Docker.RemoveContainer(ctx, ctr.Container.ID, opts); err != nil {
+	if err = cli.Docker.RemoveServiceContainer(ctx, ctr.Container.ID, opts); err != nil {
 		return err
 	}
 	pw.Event(progress.RemovedEvent(eventID))

pkg/client/deploy.go

@@ -0,0 +1,12 @@
+package client
+
+import (
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/psviderski/uncloud/pkg/client/deploy"
+)
+
+// NewDeployment creates a new deployment for the given service specification.
+// If strategy is nil, a default deploy.RollingStrategy will be used.
+func (cli *Client) NewDeployment(spec api.ServiceSpec, strategy deploy.Strategy) *deploy.Deployment {
+	return deploy.NewDeployment(cli, spec, strategy)
+}

pkg/client/deploy/container.go

@@ -0,0 +1,39 @@
+package deploy
+
+import (
+	"github.com/psviderski/uncloud/pkg/api"
+)
+
+type ContainerSpecStatus string
+
+const ContainerUpToDate ContainerSpecStatus = "up-to-date"
+const ContainerNeedsUpdate ContainerSpecStatus = "needs-update"
+const ContainerNeedsRecreate ContainerSpecStatus = "needs-recreate"
+
+func EvalContainerSpecChange(current api.ServiceSpec, new api.ServiceSpec) ContainerSpecStatus {
+	current = current.SetDefaults()
+	new = new.SetDefaults()
+
+	// Pull policy doesn't affect the container configuration.
+	new.Container.PullPolicy = current.Container.PullPolicy
+	if !current.Container.Equals(new.Container) {
+		return ContainerNeedsRecreate
+	}
+
+	if current.Mode != new.Mode {
+		return ContainerNeedsRecreate
+	}
+	if current.Name != new.Name {
+		return ContainerNeedsRecreate
+	}
+
+	// TODO: compare mutable properties such as memory or CPU limits when they are implemented.
+
+	// TODO: change ports check to ContainerNeedsUpdate when ingress ports are stored only the machine DB instead
+	//  of as labels ans synced to the cluster store. Host ports changes should be handled as ContainerNeedsRecreate.
+	if !api.PortsEqual(current.Ports, new.Ports) {
+		return ContainerNeedsRecreate
+	}
+
+	return ContainerUpToDate
+}

pkg/client/deploy/deploy.go

@@ -1,56 +1,46 @@
-package client
+package deploy
 
 import (
 	"context"
 	"errors"
 	"fmt"
-	"github.com/distribution/reference"
-	"strings"
-	"uncloud/internal/api"
-	"uncloud/internal/secret"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/pkg/api"
 )
 
+type Client interface {
+	api.ContainerClient
+	api.DNSClient
+	api.ImageClient
+	api.MachineClient
+	api.ServiceClient
+}
+
 // Deployment manages the process of creating or updating a service to match a desired state.
 // It coordinates the validation, planning, and execution of deployment operations.
 type Deployment struct {
 	Service  *api.Service
 	Spec     api.ServiceSpec
 	Strategy Strategy
-	cli      *Client
+	cli      Client
 	plan     *Plan
 }
 
 type Plan struct {
 	ServiceID   string
-	Operation
+	ServiceName string
+	SequenceOperation
 }
 
+// MachineFilter determines which machines participate in a deployment operation by returning true for
+// machines that should be included.
+type MachineFilter func(m *pb.MachineInfo) bool
+
+var ErrNoMatchingMachines = errors.New("no machines match the filter")
+
 // NewDeployment creates a new deployment for the given service specification.
 // If strategy is nil, a default RollingStrategy will be used.
-func (cli *Client) NewDeployment(spec api.ServiceSpec, strategy Strategy) (*Deployment, error) {
-	if err := spec.Validate(); err != nil {
-		return nil, fmt.Errorf("invalid service spec: %w", err)
-	}
-	if spec.Name == "" {
-		// Generate a random service name from the image when not provided.
-		img, err := reference.ParseDockerRef(spec.Container.Image)
-		if err != nil {
-			return nil, fmt.Errorf("invalid image: %w", err)
-		}
-		// Get the image name without the repository and tag/digest parts.
-		imageName := reference.FamiliarName(img)
-		// Get the last part of the image name (path), e.g. "nginx" from "bitnami/nginx".
-		if i := strings.LastIndex(imageName, "/"); i != -1 {
-			imageName = imageName[i+1:]
-		}
-		// Append a random suffix to the image name to generate an optimistically unique service name.
-		suffix, err := secret.RandomAlphaNumeric(4)
-		if err != nil {
-			return nil, fmt.Errorf("generate random suffix: %w", err)
-		}
-		spec.Name = fmt.Sprintf("%s-%s", imageName, suffix)
-	}
-
+func NewDeployment(cli Client, spec api.ServiceSpec, strategy Strategy) *Deployment {
 	if strategy == nil {
 		strategy = &RollingStrategy{}
 	}
@@ -59,7 +49,7 @@ func (cli *Client) NewDeployment(spec api.ServiceSpec, strategy Strategy) (*Depl
 		Spec:     spec,
 		Strategy: strategy,
 		cli:      cli,
-	}, nil
+	}
 }
 
 // Plan returns a plan of operations to reconcile the service to the desired state.
@@ -69,14 +59,34 @@ func (d *Deployment) Plan(ctx context.Context) (Plan, error) {
 		return *d.plan, nil
 	}
 
-	// Validate the new spec before planning.
+	// Validate the user-provided spec before resolving it.
 	if err := d.Validate(ctx); err != nil {
 		return Plan{}, fmt.Errorf("invalid deployment: %w", err)
 	}
 
-	plan, err := d.Strategy.Plan(ctx, d.cli, d.Service, d.Spec)
+	clusterDomain, err := d.cli.GetDomain(ctx)
+	if err != nil && !errors.Is(err, api.ErrNotFound) {
+		return Plan{}, fmt.Errorf("get cluster domain: %w", err)
+	}
+	// TODO: enable image resolver when it's ready to pin digests and look up existing images.
+	//imageResolver := &ImageDigestResolver{
+	//	Ctx:    ctx,
+	//	Client: d.cli,
+	//}
+	specResolver := &ServiceSpecResolver{
+		// If the domain is not found (not reserved), an empty domain is used for the resolver.
+		ClusterDomain: clusterDomain,
+		//ImageResolver: imageResolver,
+	}
+
+	resolvedSpec, err := specResolver.Resolve(d.Spec)
 	if err != nil {
-		return Plan{}, fmt.Errorf("create plan using %T: %w", d.Strategy, err)
+		return Plan{}, fmt.Errorf("resolve service spec: %w", err)
+	}
+
+	plan, err := d.Strategy.Plan(ctx, d.cli, d.Service, resolvedSpec)
+	if err != nil {
+		return Plan{}, fmt.Errorf("create plan using %s strategy: %w", d.Strategy.Type(), err)
 	}
 	d.plan = &plan
 
@@ -88,15 +98,12 @@ func (d *Deployment) Validate(ctx context.Context) error {
 	if err := d.Spec.Validate(); err != nil {
 		return fmt.Errorf("invalid service spec: %w", err)
 	}
-	if d.Spec.Name == "" {
-		return errors.New("service name is required")
-	}
 
 	if d.Service == nil {
 		svc, err := d.cli.InspectService(ctx, d.Spec.Name)
 		if err == nil {
 			d.Service = &svc
-		} else if !errors.Is(err, ErrNotFound) {
+		} else if !errors.Is(err, api.ErrNotFound) {
 			return fmt.Errorf("inspect service: %w", err)
 		}
 	}
@@ -108,7 +115,14 @@ func (d *Deployment) Validate(ctx context.Context) error {
 	if d.Service.Name != d.Spec.Name {
 		return errors.New("service name cannot be changed")
 	}
-	if d.Service.Mode != d.Spec.Mode {
+
+	// Resolve the default mode if not specified.
+	mode := d.Spec.Mode
+	if mode == "" {
+		mode = api.ServiceModeReplicated
+	}
+
+	if mode != d.Service.Mode {
 		return errors.New("service mode cannot be changed")
 	}
 
@@ -119,11 +133,11 @@ func (d *Deployment) Validate(ctx context.Context) error {
 // It will create a new plan if one hasn't been created yet. The deployment will either create a new service or update
 // the existing one to match the desired specification.
 // TODO: forbid to run the same deployment more than once.
-func (d *Deployment) Run(ctx context.Context) (string, error) {
+func (d *Deployment) Run(ctx context.Context) (Plan, error) {
 	plan, err := d.Plan(ctx)
 	if err != nil {
-		return "", fmt.Errorf("plan: %w", err)
+		return plan, fmt.Errorf("create plan: %w", err)
 	}
 
-	return plan.ServiceID, plan.Execute(ctx, d.cli)
+	return plan, plan.Execute(ctx, d.cli)
 }

pkg/client/deploy/operation.go

@@ -1,20 +1,31 @@
-package client
+package deploy
 
 import (
 	"context"
 	"fmt"
 	"github.com/docker/docker/api/types/container"
+	"github.com/psviderski/uncloud/pkg/api"
 	"strings"
-	"uncloud/internal/api"
 )
 
 // Operation represents a single atomic operation in a deployment process.
 // Operations can be composed to form complex deployment strategies.
 type Operation interface {
-	Execute(ctx context.Context, cli *Client) error
+	// Execute performs the operation using the provided client.
+	// TODO: Encapsulate the client in the operation as otherwise it gives an impression that different clients
+	//  can be provided. But in reality, the operation is tightly coupled with the client that was used to create it.
+	Execute(ctx context.Context, cli Client) error
+	// Format returns a human-readable representation of the operation.
+	Format(resolver NameResolver) string
 	String() string
 }
 
+// NameResolver resolves machine and container IDs to their names.
+type NameResolver interface {
+	MachineName(machineID string) string
+	ContainerName(containerID string) string
+}
+
 // RunContainerOperation creates and starts a new container on a specific machine.
 type RunContainerOperation struct {
 	ServiceID string
@@ -22,7 +33,7 @@ type RunContainerOperation struct {
 	MachineID string
 }
 
-func (o *RunContainerOperation) Execute(ctx context.Context, cli *Client) error {
+func (o *RunContainerOperation) Execute(ctx context.Context, cli Client) error {
 	resp, err := cli.CreateContainer(ctx, o.ServiceID, o.Spec, o.MachineID)
 	if err != nil {
 		return fmt.Errorf("create container: %w", err)
@@ -36,8 +47,14 @@ func (o *RunContainerOperation) Execute(ctx context.Context, cli *Client) error
 	return nil
 }
 
+func (o *RunContainerOperation) Format(resolver NameResolver) string {
+	machineName := resolver.MachineName(o.MachineID)
+	return fmt.Sprintf("%s: Run container [image=%s]", machineName, o.Spec.Container.Image)
+}
+
 func (o *RunContainerOperation) String() string {
-	return fmt.Sprintf("RunContainerOperation[%s, %s, %s]", o.ServiceID, o.Spec.Name, o.MachineID)
+	return fmt.Sprintf("RunContainerOperation[service_id=%s, image=%s, machine_id=%s]",
+		o.ServiceID, o.Spec.Container.Image, o.MachineID)
 }
 
 // StopContainerOperation stops a container on a specific machine.
@@ -47,15 +64,21 @@ type StopContainerOperation struct {
 	MachineID   string
 }
 
-func (o *StopContainerOperation) Execute(ctx context.Context, cli *Client) error {
+func (o *StopContainerOperation) Execute(ctx context.Context, cli Client) error {
 	if err := cli.StopContainer(ctx, o.ServiceID, o.ContainerID, container.StopOptions{}); err != nil {
 		return fmt.Errorf("stop container: %w", err)
 	}
 	return nil
 }
 
+func (o *StopContainerOperation) Format(resolver NameResolver) string {
+	machineName := resolver.MachineName(o.MachineID)
+	return fmt.Sprintf("%s: Stop container [name=%s]", machineName, resolver.ContainerName(o.ContainerID))
+}
+
 func (o *StopContainerOperation) String() string {
-	return fmt.Sprintf("StopContainerOperation[%s, %s, %s]", o.ServiceID, o.ContainerID, o.MachineID)
+	return fmt.Sprintf("StopContainerOperation[service_id=%s, container_id=%s, machine_id=%s]",
+		o.ServiceID, o.ContainerID, o.MachineID)
 }
 
 // RemoveContainerOperation stops and removes a container from a specific machine.
@@ -65,7 +88,7 @@ type RemoveContainerOperation struct {
 	MachineID   string
 }
 
-func (o *RemoveContainerOperation) Execute(ctx context.Context, cli *Client) error {
+func (o *RemoveContainerOperation) Execute(ctx context.Context, cli Client) error {
 	if err := cli.StopContainer(ctx, o.ServiceID, o.ContainerID, container.StopOptions{}); err != nil {
 		return fmt.Errorf("stop container: %w", err)
 	}
@@ -76,8 +99,14 @@ func (o *RemoveContainerOperation) Execute(ctx context.Context, cli *Client) err
 	return nil
 }
 
+func (o *RemoveContainerOperation) Format(resolver NameResolver) string {
+	machineName := resolver.MachineName(o.MachineID)
+	return fmt.Sprintf("%s: Remove container [name=%s]", machineName, resolver.ContainerName(o.ContainerID))
+}
+
 func (o *RemoveContainerOperation) String() string {
-	return fmt.Sprintf("RemoveContainerOperation[%s, %s, %s]", o.ServiceID, o.ContainerID, o.MachineID)
+	return fmt.Sprintf("RemoveContainerOperation[service_id=%s, container_id=%s, machine_id=%s]",
+		o.ServiceID, o.ContainerID, o.MachineID)
 }
 
 // SequenceOperation is a composite operation that executes a sequence of operations in order.
@@ -85,7 +114,7 @@ type SequenceOperation struct {
 	Operations []Operation
 }
 
-func (o *SequenceOperation) Execute(ctx context.Context, cli *Client) error {
+func (o *SequenceOperation) Execute(ctx context.Context, cli Client) error {
 	for _, op := range o.Operations {
 		if err := op.Execute(ctx, cli); err != nil {
 			return err
@@ -94,6 +123,15 @@ func (o *SequenceOperation) Execute(ctx context.Context, cli *Client) error {
 	return nil
 }
 
+func (o *SequenceOperation) Format(resolver NameResolver) string {
+	ops := make([]string, len(o.Operations))
+	for i, op := range o.Operations {
+		ops[i] = "- " + op.Format(resolver)
+	}
+
+	return strings.Join(ops, "\n")
+}
+
 func (o *SequenceOperation) String() string {
 	ops := make([]string, len(o.Operations))
 	for i, op := range o.Operations {

pkg/client/deploy/resolver.go

@@ -0,0 +1,318 @@
+package deploy
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"github.com/distribution/reference"
+	"github.com/docker/docker/api/types"
+	"github.com/opencontainers/go-digest"
+	"github.com/psviderski/uncloud/internal/secret"
+	"github.com/psviderski/uncloud/pkg/api"
+	"google.golang.org/grpc/codes"
+	"strings"
+	"time"
+)
+
+// ServiceSpecResolver transforms user-provided service specs into deployment-ready form.
+type ServiceSpecResolver struct {
+	ClusterDomain string
+	ImageResolver *ImageDigestResolver
+}
+
+// Resolve transforms a service spec into its fully resolved form ready for deployment.
+func (r *ServiceSpecResolver) Resolve(spec api.ServiceSpec) (api.ServiceSpec, error) {
+	if err := spec.Validate(); err != nil {
+		return spec, fmt.Errorf("invalid service spec: %w", err)
+	}
+
+	spec = spec.Clone()
+
+	steps := []func(*api.ServiceSpec) error{
+		r.applyDefaults,
+		r.resolveServiceName,
+		r.expandIngressPorts,
+		r.resolveImageDigest,
+	}
+
+	for _, step := range steps {
+		if err := step(&spec); err != nil {
+			return spec, err
+		}
+	}
+
+	return spec, nil
+}
+
+func (r *ServiceSpecResolver) applyDefaults(spec *api.ServiceSpec) error {
+	if spec.Mode == "" {
+		spec.Mode = api.ServiceModeReplicated
+	}
+	// Ensure the replicated service has at least one replica.
+	if spec.Mode == api.ServiceModeReplicated && spec.Replicas == 0 {
+		spec.Replicas = 1
+	}
+
+	if spec.Container.PullPolicy == "" {
+		spec.Container.PullPolicy = api.PullPolicyMissing
+	}
+
+	return nil
+}
+
+// resolveServiceName generates a service name from the image when not provided.
+func (r *ServiceSpecResolver) resolveServiceName(spec *api.ServiceSpec) error {
+	if spec.Name != "" {
+		return nil
+	}
+
+	// Generate a random service name from the image when not provided.
+	img, err := reference.ParseDockerRef(spec.Container.Image)
+	if err != nil {
+		return fmt.Errorf("invalid image: %w", err)
+	}
+	// Get the image name without the repository and tag/digest parts.
+	imageName := reference.FamiliarName(img)
+	// Get the last part of the image name (path), e.g. "nginx" from "bitnami/nginx".
+	if i := strings.LastIndex(imageName, "/"); i != -1 {
+		imageName = imageName[i+1:]
+	}
+	// Append a random suffix to the image name to generate an optimistically unique service name.
+	suffix, err := secret.RandomAlphaNumeric(4)
+	if err != nil {
+		return fmt.Errorf("generate random suffix: %w", err)
+	}
+	spec.Name = fmt.Sprintf("%s-%s", imageName, suffix)
+
+	return nil
+}
+
+// expandIngressPorts processes HTTP(S) ingress ports in a service spec by:
+// 1. Setting a default hostname (service-name.cluster-domain) for ports without a hostname.
+// 2. Duplicating a port with a cluster domain hostname for ports with external domains.
+// This ensures every ingress port is accessible via the cluster domain, while preserving any custom domains specified
+// by the user.
+func (r *ServiceSpecResolver) expandIngressPorts(spec *api.ServiceSpec) error {
+	for i, port := range spec.Ports {
+		if port.Protocol != api.ProtocolHTTP && port.Protocol != api.ProtocolHTTPS {
+			continue
+		}
+
+		if port.Hostname == "" {
+			if r.ClusterDomain == "" {
+				return fmt.Errorf("cluster domain must be reserved to generate hostname for ingress port: %d/%s",
+					port.ContainerPort, port.Protocol)
+			}
+			// Assign the default hostname (service-name.cluster-domain).
+			spec.Ports[i].Hostname = fmt.Sprintf("%s.%s", spec.Name, r.ClusterDomain)
+		} else {
+			if r.ClusterDomain == "" {
+				// When no cluster domain is reserved, use only the provided hostname.
+				continue
+			}
+
+			if strings.HasSuffix(port.Hostname, "."+r.ClusterDomain) {
+				// If the hostname is already a cluster subdomain, use as is.
+				continue
+			}
+			// For external domains, duplicate the port with a service-name.cluster-domain hostname so the service
+			// can be accessed via both hostnames.
+			newPort := port
+			newPort.Hostname = fmt.Sprintf("%s.%s", spec.Name, r.ClusterDomain)
+			spec.Ports = append(spec.Ports, newPort)
+		}
+	}
+
+	return nil
+}
+
+func (r *ServiceSpecResolver) resolveImageDigest(spec *api.ServiceSpec) error {
+	if r.ImageResolver == nil {
+		// Skip digest resolution when no resolver is provided.
+		return nil
+	}
+
+	image, err := r.ImageResolver.Resolve(spec.Container.Image, spec.Container.PullPolicy)
+	if err != nil {
+		return fmt.Errorf("resolve image digest: %w", err)
+	}
+	spec.Container.Image = image
+
+	return nil
+}
+
+type ImageResolverClient interface {
+	api.ImageClient
+	api.MachineClient
+}
+
+type ImageDigestResolver struct {
+	Ctx    context.Context
+	Client ImageResolverClient
+}
+
+// Resolve resolves the image to the image with the digest according to the pull policy:
+//   - always: Fetch the latest digest for the image tag in the registry.
+//   - missing: Find the latest image matching the tag on any machine and use its digest, if it exists.
+//     When there is no matching image on any machine, it behaves like 'always'.
+//   - never: !Not implemented! Similar to 'missing' but when there is no matching image on any machine,
+//     it returns an error.
+//
+// If the image is already pinned to a digest, it is returned as is.
+func (r *ImageDigestResolver) Resolve(image, policy string) (string, error) {
+	if r.Ctx == nil {
+		r.Ctx = context.Background()
+	}
+
+	ref, err := reference.ParseNormalizedNamed(image)
+	if err != nil {
+		return "", fmt.Errorf("parse image: %w", err)
+	}
+	if _, ok := ref.(reference.Canonical); ok {
+		// The image is already pinned to a digest.
+		return image, nil
+	}
+
+	switch policy {
+	case api.PullPolicyAlways:
+		return r.resolveAlways(image)
+	case api.PullPolicyMissing:
+		return r.resolveMissing(image)
+	case api.PullPolicyNever:
+		return "", fmt.Errorf("pull policy '%s' is not supported yet", policy)
+	}
+	return image, nil
+}
+
+// resolveAlways resolves the image to the image with the digest by querying the registry from all machines.
+func (r *ImageDigestResolver) resolveAlways(image string) (string, error) {
+	// TODO: broadcast to a subset of machines in large clusters to avoid being rate-limited by the registry.
+	ctx, err := api.ProxyMachinesContext(r.Ctx, r.Client, nil)
+	if err != nil {
+		return "", fmt.Errorf("create request context to broadcast to all machines: %w", err)
+	}
+
+	remoteImages, err := r.Client.InspectRemoteImage(ctx, image)
+	if err != nil {
+		return "", fmt.Errorf("inspect image '%s' in registry from all machines: %w", image, err)
+	}
+	if len(remoteImages) == 0 {
+		return "", fmt.Errorf("inspect image '%s' in registry from all machines: unexpected empty response", image)
+	}
+
+	for _, ri := range remoteImages {
+		if ri.Metadata != nil && ri.Metadata.Error != "" {
+			// Save the last error to return it if all machines fail to inspect the image.
+			err = fmt.Errorf("inspect image '%s' in registry on machine '%s': %s",
+				image, ri.Metadata.Machine, ri.Metadata.Error)
+			continue
+		}
+
+		return reference.FamiliarString(ri.Image.Reference), nil
+	}
+
+	return "", err
+}
+
+func (r *ImageDigestResolver) resolveMissing(image string) (string, error) {
+	ctx, err := api.ProxyMachinesContext(r.Ctx, r.Client, nil)
+	if err != nil {
+		return "", fmt.Errorf("create request context to broadcast to all machines: %w", err)
+	}
+
+	machineImages, err := r.Client.InspectImage(ctx, image)
+	if err != nil {
+		if errors.Is(err, api.ErrNotFound) {
+			// If the image is missing on all machines, the 'missing' policy is equivalent to 'always'.
+			return r.resolveAlways(image)
+		}
+		return "", fmt.Errorf("inspect image '%s' on all machines: %w", image, err)
+	}
+
+	var availableImages []types.ImageInspect
+	for _, mi := range machineImages {
+		// Metadata can be nil if the request was proxied to only one machine.
+		if mi.Metadata != nil && mi.Metadata.Error != "" {
+			if codes.Code(mi.Metadata.Status.Code) != codes.NotFound {
+				fmt.Printf("WARNING: failed to inspect image '%s' on machine '%s': %s\n",
+					image, mi.Metadata.Machine, mi.Metadata.Error)
+			}
+			continue
+		}
+
+		availableImages = append(availableImages, mi.Image)
+	}
+
+	if len(availableImages) == 0 {
+		// If the image is missing on all machines, the 'missing' policy is equivalent to 'always'.
+		return r.resolveAlways(image)
+	}
+
+	// Find the latest image with a RepoDigest.
+	var latestDigest digest.Digest
+	var latestCreated time.Time
+	for _, img := range availableImages {
+		if len(img.RepoDigests) == 0 {
+			continue
+		}
+
+		// TODO: handle multiple RepoDigests. This could happen for example if the same image was pulled twice using
+		// 	both its index (multi-arch) digest and manifest (platform-specific) digest:
+		//  {
+		//    "Id": "sha256:6fee7566e4273ee6078f08e167e36434b35f72152232a5e6f1446288817dabe5",
+		//    "RepoTags": [
+		//        "traefik/whoami:latest"
+		//    ],
+		//    "RepoDigests": [
+		//        "traefik/whoami@sha256:200689790a0a0ea48ca45992e0450bc26ccab5307375b41c84dfc4f2475937ab",
+		//        "traefik/whoami@sha256:4f90b33ddca9c4d4f06527070d6e503b16d71016edea036842be2a84e60c91cb"
+		//    ],
+		//    ...
+		//  }
+		//  Should the registry be queried to find out which digest to use?
+		repoDigest := img.RepoDigests[0]
+		created, err := time.Parse(time.RFC3339Nano, img.Created)
+		if err != nil {
+			continue
+		}
+
+		if created.After(latestCreated) {
+			ref, err := reference.ParseNormalizedNamed(repoDigest)
+			if err != nil {
+				continue
+			}
+			if c, ok := ref.(reference.Canonical); ok {
+				latestDigest = c.Digest()
+				latestCreated = created
+			}
+		}
+	}
+
+	if latestDigest != "" {
+		return imageWithDigest(image, latestDigest)
+	}
+
+	// Don't pin the digest if no RepoDigests were found. This means the available images were not pulled from
+	// a registry but built locally or loaded from an archive. In this case, the available images (could be multiple
+	// for different platforms) should be copied to other machines to be able to run service containers on them.
+	return image, nil
+}
+
+// imageWithDigest adds a digest to an image string if it doesn't already contain one.
+func imageWithDigest(image string, dig digest.Digest) (string, error) {
+	ref, err := reference.ParseNormalizedNamed(image)
+	if err != nil {
+		return "", fmt.Errorf("parse image: %w", err)
+	}
+
+	if _, ok := ref.(reference.Canonical); !ok {
+		// Preserves the original tag if present.
+		img, err := reference.WithDigest(ref, dig)
+		if err != nil {
+			return "", fmt.Errorf("add digest to image: %w", err)
+		}
+		return reference.FamiliarString(img), nil
+	}
+
+	return image, nil
+}