docs: generate CLI reference docs for wg commands

* feat: Add `uc wg show` command to inspect a machine's uncloud wireguard network (draft / work in progress)

* Compile proto files with `make proto-mise`

* Fix lint errors

* Output peers in tabwriter table

* Lookup machine name for wireguard peer public key

* Add --machine flag to `uc wg show` to proxy call to specific machine

* Small refactor to move wg show logic out into a separate function

.github/workflows/go-tests.yml

@@ -36,6 +36,12 @@ jobs:
           git diff --exit-code ||
             (echo "go.mod or go.sum has changed. Please run 'go mod tidy' and commit the changes." && exit 1)
 
+      - name: Generate docs
+        run: |
+          make cli-docs
+          git diff --exit-code ||
+            (echo "Documentation is out of date. Please run 'make cli-docs' and commit the changes." && exit 1)
+
       - name: Run tests
         run: |
           make ucind-image

.gitignore

@@ -7,6 +7,8 @@
 *.dll
 *.so
 *.dylib
+/uncloud
+/uncloudd
 
 # OS X
 .DS_Store

.goreleaser.yaml

@@ -16,7 +16,8 @@ builds:
     main: ./cmd/uncloud
     binary: uncloud
     env:
-      - CGO_ENABLED=0
+      # Use CGO to be able to build fsevent required by compose on macOS.
+      - CGO_ENABLED={{ if eq .Os "darwin" }}1{{ else }}0{{ end }}
     goos:
       - darwin
       - linux

AI.md

@@ -28,7 +28,7 @@ This document provides comprehensive information about the Uncloud project for A
 - **Docker Compose compatibility**: Uses familiar Docker Compose format
 - **Zero-downtime deployments**: Rolling updates without service interruption
 - **Automatic HTTPS**: Caddy reverse proxy with Let's Encrypt integration
-- **Managed DNS**: Free `*.cluster.uncloud.run` subdomains via Uncloud DNS service
+- **Managed DNS**: Free `*.xxxxxx.uncld.dev` subdomains via Uncloud DNS service
 - **Cross-machine scaling**: Run containers across multiple machines
 
 ### 🔧 Developer Experience

README.md

@@ -1,7 +1,7 @@
 <div align="center">
-  <img src="./website/landing/images/logo.svg" height="100" width="100" alt="Uncloud logo"/>
+  <img src="./website/landing/images/logo-title.svg#gh-light-mode-only" alt="Uncloud logo"/>
-  <h1>Uncloud</h1>
+  <img src="./website/landing/images/logo-title-dark.svg#gh-dark-mode-only" alt="Uncloud logo"/>
-  <p><strong>Docker simplicity. Multi-machine power.</strong></p>
+  <p><strong>▸ Deploy and scale containerised apps across servers without Swarm or Kubernetes overhead ◂</strong></p>
 
   <p>
     <a href="https://uncloud.run/docs"><img src="https://img.shields.io/badge/Docs-blue.svg?style=for-the-badge&logo=gitbook&logoColor=white" alt="Documentation"></a>
@@ -40,7 +40,7 @@ complexity of Kubernetes.
 * **No control plane**: Fully decentralised 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.
-* **Managed DNS**: Automatic DNS records `*.<id>.cluster.uncloud.run` for services with public access via managed
+* **Managed DNS**: Automatic DNS records `*.xxxxxx.uncld.dev` 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.
@@ -281,6 +281,16 @@ using the CLI or directly over SSH. They all have the complete cluster state and
 machine is a full backup of your control plane.
 </details>
 
+## 🧪 Interactive tutorials
+
+To give you a chance to play with Uncloud without even leaving your browser, we're providing interactive tutorials and playgrounds on the [iximiuz Labs](https://labs.iximiuz.com/) platform.
+
+Available tutorials:
+
+1. [Setting up a new Uncloud cluster](https://labs.iximiuz.com/tutorials/uncloud-create-cluster-ebebf72b) - the tutorial walks you through creating a new cluster with two machines and then deploying a simple web service to it.
+
+You can also launch the [Uncloud playground](https://labs.iximiuz.com/playgrounds/uncloud-cluster-64523f7c) where you can play with an already initialized Uncloud cluster.
+
 ## 🏗 Project status
 
 Uncloud is currently in active development and is **not ready for production use**. Features may change significantly
@@ -337,6 +347,10 @@ These companies and projects are helping Uncloud with their generous sponsorship
 
 ## ❤️ Contributors
 
+<a href="https://trendshift.io/repositories/14069">
+    <img alt="Trendshift" src="https://trendshift.io/api/badge/repositories/14069" />
+</a>
+
 Thank you [@cedws](https://github.com/cedws) for being the first contributor to Uncloud! 🎉
 
 <a href="https://github.com/psviderski/uncloud/graphs/contributors">

cmd/uncloud/build.go

@@ -49,6 +49,7 @@ to cluster machines or --push-registry to upload them to external registries.`,
 
 			return runBuild(cmd.Context(), uncli, opts)
 		},
+		GroupID: "service",
 	}
 
 	cmd.Flags().StringArrayVar(&opts.BuildArgs, "build-arg", nil,
@@ -74,8 +75,6 @@ to cluster machines or --push-registry to upload them to external registries.`,
 			"Use --machine to specify which machines. (default is all machines)")
 	cmd.Flags().BoolVar(&opts.PushRegistry, "push-registry", false,
 		"Upload the built images to external registries (e.g., Docker Hub) after building.")
-	cmd.Flags().StringVarP(&opts.Context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)")
 
 	return cmd
 }

cmd/uncloud/caddy/config.go

@@ -7,14 +7,12 @@ import (
 
 	"github.com/alecthomas/chroma/v2/quick"
 	"github.com/psviderski/uncloud/internal/cli"
-	"github.com/psviderski/uncloud/pkg/api"
 	"github.com/spf13/cobra"
 )
 
 type configOptions struct {
 	machine string
 	noColor bool
-	context string
 }
 
 func NewConfigCommand() *cobra.Command {
@@ -34,16 +32,12 @@ func NewConfigCommand() *cobra.Command {
 		"Name or ID of the machine to get the configuration from. (default is connected machine)")
 	cmd.Flags().BoolVar(&opts.noColor, "no-color", false,
 		"Disable syntax highlighting for the output.")
-	cmd.Flags().StringVarP(
-		&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
 
 	return cmd
 }
 
 func runConfig(ctx context.Context, uncli *cli.CLI, opts configOptions) error {
-	clusterClient, err := uncli.ConnectCluster(ctx, opts.context)
+	clusterClient, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}
@@ -51,7 +45,7 @@ func runConfig(ctx context.Context, uncli *cli.CLI, opts configOptions) error {
 
 	if opts.machine != "" {
 		// If a specific machine is requested, use it to get the Caddy configuration.
-		ctx, _, err = api.ProxyMachinesContext(ctx, clusterClient, []string{opts.machine})
+		ctx, _, err = clusterClient.ProxyMachinesContext(ctx, []string{opts.machine})
 		if err != nil {
 			return err
 		}

cmd/uncloud/caddy/deploy.go

@@ -22,7 +22,6 @@ type deployOptions struct {
 	caddyfile string
 	image     string
 	machines  []string
-	context   string
 }
 
 func NewDeployCommand() *cobra.Command {
@@ -46,10 +45,6 @@ func NewDeployCommand() *cobra.Command {
 	cmd.Flags().StringSliceVarP(&opts.machines, "machine", "m", nil,
 		"Machine names or IDs to deploy to. Can be specified multiple times or as a comma-separated "+
 			"list. (default is all machines)")
-	cmd.Flags().StringVarP(
-		&opts.context, "context", "c", "",
-		"Name of the cluster context to deploy to. (default is the current context)",
-	)
 
 	return cmd
 }
@@ -64,7 +59,7 @@ func runDeploy(ctx context.Context, uncli *cli.CLI, opts deployOptions) error {
 		caddyfile = strings.TrimSpace(string(data))
 	}
 
-	clusterClient, err := uncli.ConnectCluster(ctx, opts.context)
+	clusterClient, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/context/connection.go

@@ -0,0 +1,79 @@
+package context
+
+import (
+	"fmt"
+
+	"github.com/charmbracelet/huh"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/internal/cli/config"
+	"github.com/spf13/cobra"
+)
+
+func NewConnectionCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:     "connection",
+		Aliases: []string{"conn"},
+		Short:   "Choose a new default connection for the current context.",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+			return selectConnection(uncli)
+		},
+	}
+	return cmd
+}
+
+func selectConnection(uncli *cli.CLI) error {
+	if uncli.Config == nil {
+		return fmt.Errorf("connection management is not available: Uncloud configuration file is not being used")
+	}
+	if len(uncli.Config.Contexts) == 0 {
+		return fmt.Errorf("no contexts found in Uncloud config (%s)", uncli.Config.Path())
+	}
+
+	currentCtxName := uncli.Config.CurrentContext
+	currentCtx, ok := uncli.Config.Contexts[currentCtxName]
+	if !ok {
+		return fmt.Errorf("current context '%s' not found", currentCtxName)
+	}
+
+	if len(currentCtx.Connections) == 0 {
+		return fmt.Errorf("no connections found in context '%s'", currentCtxName)
+	}
+
+	var selectedConnection int
+	form := huh.NewForm(
+		huh.NewGroup(
+			huh.NewSelect[int]().
+				Title("Select a default connection").
+				Options(buildConnectionOptions(currentCtx.Connections)...).
+				Value(&selectedConnection),
+		),
+	)
+	if err := form.Run(); err != nil {
+		return fmt.Errorf("select connection: %w", err)
+	}
+
+	currentCtx.SetDefaultConnection(selectedConnection)
+	selected := currentCtx.Connections[0]
+
+	if err := uncli.Config.Save(); err != nil {
+		return fmt.Errorf("save config: %w", err)
+	}
+
+	fmt.Printf("Default connection for context '%s' is now '%s'.\n", currentCtxName, selected)
+	return nil
+}
+
+func buildConnectionOptions(connections []config.MachineConnection) []huh.Option[int] {
+	options := make([]huh.Option[int], len(connections))
+	for i, conn := range connections {
+		key := conn.String()
+		opt := huh.NewOption(key, i)
+		if i == 0 {
+			opt.Key += " (default)"
+			opt = opt.Selected(true)
+		}
+		options[i] = opt
+	}
+	return options
+}

cmd/uncloud/context/root.go

@@ -19,6 +19,7 @@ func NewRootCommand() *cobra.Command {
 	cmd.AddCommand(
 		NewListCommand(),
 		NewUseCommand(),
+		NewConnectionCommand(),
 	)
 
 	return cmd

cmd/uncloud/deploy.go

@@ -26,8 +26,6 @@ type deployOptions struct {
 	noBuild  bool
 	recreate bool
 	yes      bool
-
-	context string
 }
 
 // NewDeployCommand creates a new command to deploy services from a Compose file.
@@ -44,6 +42,7 @@ func NewDeployCommand() *cobra.Command {
 
 			return runDeploy(cmd.Context(), uncli, opts)
 		},
+		GroupID: "service",
 	}
 
 	cmd.Flags().StringArrayVar(&opts.BuildServicesOptions.BuildArgs, "build-arg", nil,
@@ -51,8 +50,6 @@ func NewDeployCommand() *cobra.Command {
 			"Can be specified multiple times. Format: --build-arg VAR=VALUE")
 	cmd.Flags().BoolVar(&opts.BuildServicesOptions.Pull, "build-pull", false,
 		"Always attempt to pull newer versions of base images before building service images.")
-	cmd.Flags().StringVarP(&opts.context, "context", "c", "",
-		"Name of the cluster context to deploy to (default is the current context)")
 	cmd.Flags().StringSliceVarP(&opts.files, "file", "f", nil,
 		"One or more Compose files to deploy services from. (default compose.yaml)")
 	cmd.Flags().BoolVar(&opts.noBuild, "no-build", false,
@@ -108,7 +105,7 @@ func runDeploy(ctx context.Context, uncli *cli.CLI, opts deployOptions) error {
 		fmt.Println()
 	}
 
-	clusterClient, err := uncli.ConnectCluster(ctx, opts.context)
+	clusterClient, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/dns/release.go

@@ -12,32 +12,21 @@ import (
 	"google.golang.org/protobuf/types/known/emptypb"
 )
 
-type releaseOptions struct {
-	context 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)
+			return release(cmd.Context(), uncli)
 		},
 	}
 
-	cmd.Flags().StringVarP(
-		&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
-
 	return cmd
 }
 
-func release(ctx context.Context, uncli *cli.CLI, opts releaseOptions) error {
+func release(ctx context.Context, uncli *cli.CLI) error {
-	client, err := uncli.ConnectCluster(ctx, opts.context)
+	client, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/dns/reserve.go

@@ -19,7 +19,6 @@ const DefaultUncloudDNSAPIEndpoint = "https://dns.uncloud.run/v1"
 
 type reserveOptions struct {
 	endpoint string
-	context  string
 }
 
 func NewReserveCommand() *cobra.Command {
@@ -36,16 +35,12 @@ func NewReserveCommand() *cobra.Command {
 
 	cmd.Flags().StringVar(&opts.endpoint, "endpoint", DefaultUncloudDNSAPIEndpoint,
 		"API endpoint for the Uncloud DNS service.")
-	cmd.Flags().StringVarP(
-		&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
 
 	return cmd
 }
 
 func reserve(ctx context.Context, uncli *cli.CLI, opts reserveOptions) error {
-	clusterClient, err := uncli.ConnectCluster(ctx, opts.context)
+	clusterClient, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/dns/root.go

@@ -9,7 +9,7 @@ func NewRootCommand() *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 " +
+			"DNS commands allow you to reserve or release a unique 'xxxxxx.uncld.dev' domain for your " +
 			"cluster. When reserved, Caddy service deployments will automatically update DNS records to route " +
 			"traffic to the services in the cluster.",
 	}

cmd/uncloud/dns/show.go

@@ -10,32 +10,21 @@ import (
 	"github.com/spf13/cobra"
 )
 
-type showOptions struct {
-	context 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)
+			return show(cmd.Context(), uncli)
 		},
 	}
 
-	cmd.Flags().StringVarP(
-		&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
-
 	return cmd
 }
 
-func show(ctx context.Context, uncli *cli.CLI, opts showOptions) error {
+func show(ctx context.Context, uncli *cli.CLI) error {
-	clusterClient, err := uncli.ConnectCluster(ctx, opts.context)
+	clusterClient, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/image/ls.go

@@ -22,7 +22,6 @@ import (
 type listOptions struct {
 	machines   []string
 	nameFilter string
-	context    string
 }
 
 func NewListCommand() *cobra.Command {
@@ -60,10 +59,6 @@ func NewListCommand() *cobra.Command {
 	cmd.Flags().StringSliceVarP(&opts.machines, "machine", "m", nil,
 		"Filter images by machine name or ID. Can be specified multiple times or as a comma-separated list. "+
 			"(default is include all machines)")
-	cmd.Flags().StringVarP(
-		&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
 
 	return cmd
 }
@@ -82,7 +77,7 @@ type imageRow struct {
 }
 
 func list(ctx context.Context, uncli *cli.CLI, opts listOptions) error {
-	clusterClient, err := uncli.ConnectCluster(ctx, opts.context)
+	clusterClient, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/image/push.go

@@ -15,7 +15,6 @@ type pushOptions struct {
 	image    string
 	machines []string
 	platform string
-	context  string
 }
 
 func NewPushCommand() *cobra.Command {
@@ -54,16 +53,12 @@ The image is uploaded to all cluster machines (default) or the specified machine
 		"Push a specific platform of a multi-platform image (e.g., linux/amd64, linux/arm64).\n"+
 			"Local Docker must be configured to use containerd image store to support multi-platform images.",
 	)
-	cmd.Flags().StringVarP(
-		&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
 
 	return cmd
 }
 
 func push(ctx context.Context, uncli *cli.CLI, opts pushOptions) error {
-	clusterClient, err := uncli.ConnectCluster(ctx, opts.context)
+	clusterClient, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/machine/add.go

@@ -5,9 +5,11 @@ import (
 	"errors"
 	"fmt"
 	"net/netip"
+	"strings"
 	"time"
 
-	"github.com/cenkalti/backoff/v4"
+	"github.com/charmbracelet/huh/spinner"
+	"github.com/charmbracelet/lipgloss"
 	"github.com/docker/compose/v2/pkg/progress"
 	"github.com/psviderski/uncloud/cmd/uncloud/caddy"
 	"github.com/psviderski/uncloud/internal/cli"
@@ -15,8 +17,6 @@ import (
 	"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"
 )
 
 type addOptions struct {
@@ -25,8 +25,8 @@ type addOptions struct {
 	noInstall bool
 	publicIP  string
 	sshKey    string
-	context   string
 	version   string
+	yes       bool
 }
 
 func NewAddCommand() *cobra.Command {
@@ -34,19 +34,33 @@ func NewAddCommand() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "add [USER@]HOST[:PORT]",
 		Short: "Add a remote machine to a cluster.",
-		Args:  cobra.ExactArgs(1),
+		Long: `Add a new machine to an existing Uncloud cluster.
+
+Connection methods:
+  ssh://user@host       - Use built-in SSH library (default, no prefix required)
+  ssh+cli://user@host   - Use system SSH command (supports ProxyJump, SSH config)`,
+		Args: cobra.ExactArgs(1),
 		RunE: func(cmd *cobra.Command, args []string) error {
+			cli.BindEnvToFlag(cmd, "yes", "UNCLOUD_AUTO_CONFIRM")
+
 			uncli := cmd.Context().Value("cli").(*cli.CLI)
 
-			user, host, port, err := config.SSHDestination(args[0]).Parse()
+			// Determine if SSH CLI needs to be used and strip scheme
+			destination := args[0]
+			useSSHCLI := strings.HasPrefix(destination, "ssh+cli://")
+			destination = strings.TrimPrefix(destination, "ssh+cli://")
+			destination = strings.TrimPrefix(destination, "ssh://")
+
+			user, host, port, err := config.SSHDestination(destination).Parse()
 			if err != nil {
 				return fmt.Errorf("parse remote machine: %w", err)
 			}
 			remoteMachine := &cli.RemoteMachine{
-				User:    user,
+				User:      user,
-				Host:    host,
+				Host:      host,
-				Port:    port,
+				Port:      port,
-				KeyPath: opts.sshKey,
+				KeyPath:   opts.sshKey,
+				UseSSHCLI: useSSHCLI,
 			}
 
 			return add(cmd.Context(), uncli, remoteMachine, opts)
@@ -76,10 +90,9 @@ func NewAddCommand() *cobra.Command {
 		&opts.version, "version", "latest",
 		"Version of the Uncloud daemon to install on the machine.",
 	)
-	cmd.Flags().StringVarP(
+	cmd.Flags().BoolVarP(&opts.yes, "yes", "y", false,
-		&opts.context, "context", "c", "",
+		"Auto-confirm prompts (e.g., resetting an already initialised machine).\n"+
-		"Name of the cluster context to add the machine to. (default is the current context)",
+			"Should be explicitly set when running non-interactively, e.g., in CI/CD pipelines. [$UNCLOUD_AUTO_CONFIRM]")
-	)
 
 	return cmd
 }
@@ -100,12 +113,12 @@ func add(ctx context.Context, uncli *cli.CLI, remoteMachine *cli.RemoteMachine,
 	}
 
 	clusterClient, machineClient, err := uncli.AddMachine(ctx, cli.AddMachineOptions{
-		Context:       opts.context,
 		MachineName:   opts.name,
 		PublicIP:      publicIP,
 		RemoteMachine: remoteMachine,
 		SkipInstall:   opts.noInstall,
 		Version:       opts.version,
+		AutoConfirm:   opts.yes,
 	})
 	if err != nil {
 		return err
@@ -117,79 +130,97 @@ func add(ctx context.Context, uncli *cli.CLI, remoteMachine *cli.RemoteMachine,
 		return nil
 	}
 
-	// Wait for the cluster to be initialised to be able to deploy the Caddy service.
+	// Wait for the cluster to be initialised on the machine to be able to deploy the Caddy service.
-	fmt.Println("Waiting for the machine to be ready...")
+	err = spinner.New().
-	fmt.Println()
+		Title(" Waiting for the machine to join the cluster...").
-	if err = waitClusterInitialised(ctx, machineClient); err != nil {
+		Type(spinner.MiniDot).
-		return fmt.Errorf("wait for cluster to be initialised on machine: %w", err)
+		Style(lipgloss.NewStyle().Foreground(lipgloss.Color("3"))).
+		TitleStyle(lipgloss.NewStyle()).
+		ActionWithErr(func(ctx context.Context) error {
+			return machineClient.WaitClusterReady(ctx, 5*time.Minute)
+		}).
+		Run()
+	if err != nil {
+		return fmt.Errorf("wait for machine to join the cluster: %w", err)
 	}
+	fmt.Println("Machine joined the cluster.")
 
+	// TODO: scale the existing Caddy service to the new machine instead of running a new deployment
+	//  that may cause a small downtime.
 	// 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.
+	// use the deployed image version.
 	// NOTE: We use the cluster client to inspect and scale the Caddy service because the newly added machine may have
 	// issues accessing the Machine API of existing machines in the cluster.
 	// See the issue for more details: https://github.com/psviderski/uncloud/issues/65.
 	caddyImage := ""
 	caddySvc, err := clusterClient.InspectService(ctx, client.CaddyServiceName)
 	if err != nil {
-		if !errors.Is(err, api.ErrNotFound) {
+		if errors.Is(err, api.ErrNotFound) {
-			return fmt.Errorf("inspect caddy service: %w", err)
+			// Caddy service is not deployed.
+			return nil
 		}
-	} else {
+		return fmt.Errorf("inspect caddy service: %w", err)
-		caddyImage = caddySvc.Containers[0].Container.Config.Image
+	}
-		// Find the latest created container and use its image.
+	caddyImage = caddySvc.Containers[0].Container.Config.Image
-		var latestCreated time.Time
+	// Find the latest created container and use its image.
-		for _, c := range caddySvc.Containers[1:] {
+	var latestCreated time.Time
-			created, err := time.Parse(time.RFC3339Nano, c.Container.Created)
+	for _, c := range caddySvc.Containers[1:] {
-			if err != nil {
+		created, err := time.Parse(time.RFC3339Nano, c.Container.Created)
-				continue
+		if err != nil {
-			}
+			continue
-			if created.After(latestCreated) {
+		}
-				latestCreated = created
+		if created.After(latestCreated) {
-				caddyImage = c.Container.Config.Image
+			latestCreated = created
-			}
+			caddyImage = c.Container.Config.Image
 		}
 	}
 
-	// TODO: scale the existing Caddy service to the new machine instead of running a new deployment
-	//  that may cause a small downtime.
 	d, err := clusterClient.NewCaddyDeployment(caddyImage, "", api.Placement{})
 	if err != nil {
 		return fmt.Errorf("create caddy deployment: %w", err)
 	}
 
-	err = progress.RunWithTitle(ctx, func(ctx context.Context) error {
+	plan, err := d.Plan(ctx)
-		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
+		return fmt.Errorf("plan caddy deployment: %w", err)
+	}
+
+	fmt.Println()
+	if len(plan.Operations) == 0 {
+		fmt.Printf("%s service is up to date.\n", client.CaddyServiceName)
+	} else {
+		// Initialise a machine and container name resolver to properly format the plan output.
+		resolver, err := clusterClient.ServiceOperationNameResolver(ctx, caddySvc)
+		if err != nil {
+			return fmt.Errorf("create machine and container name resolver for service operations: %w", err)
+		}
+
+		fmt.Println("caddy deployment plan:")
+		fmt.Println(plan.Format(resolver))
+		fmt.Println()
+
+		if !opts.yes {
+			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 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, nil)
-		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

@@ -4,7 +4,11 @@ import (
 	"context"
 	"fmt"
 	"net/netip"
+	"strings"
+	"time"
 
+	"github.com/charmbracelet/huh/spinner"
+	"github.com/charmbracelet/lipgloss"
 	"github.com/docker/compose/v2/pkg/progress"
 	"github.com/psviderski/uncloud/cmd/uncloud/caddy"
 	"github.com/psviderski/uncloud/cmd/uncloud/dns"
@@ -27,15 +31,20 @@ type initOptions struct {
 	sshKey      string
 	version     string
 	context     string
+	yes         bool
 }
 
 func NewInitCommand() *cobra.Command {
 	opts := initOptions{}
 	cmd := &cobra.Command{
-		Use:   "init [USER@HOST:PORT]",
+		Use:   "init [schema://]USER@HOST[:PORT]",
 		Short: "Initialise a new cluster with a remote machine as the first member.",
-		Long: "Initialise a new cluster by setting up a remote machine as the first member.\n" +
+		Long: `Initialise a new cluster by setting up a remote machine as the first member.
-			"This command creates a new context in your Uncloud config to manage the cluster.",
+This command creates a new context in your Uncloud config to manage the cluster.
+
+Connection methods:
+  ssh://user@host       - Use built-in SSH library (default, no prefix required)
+  ssh+cli://user@host   - Use system SSH command (supports ProxyJump, SSH config)`,
 		Example: `  # Initialise a new cluster with default settings.
   uc machine init root@<your-server-ip>
 
@@ -45,31 +54,45 @@ func NewInitCommand() *cobra.Command {
   # Initialise with a non-root user and custom SSH port and key.
   uc machine init ubuntu@<your-server-ip>:2222 -i ~/.ssh/mykey
 
-  # Initialise without Caddy (no reverse proxy) and without an automatically managed domain name (xxxxxx.cluster.uncloud.run).
+  # Initialise without Caddy (no reverse proxy) and without an automatically managed domain name (xxxxxx.uncld.dev).
   # You can deploy Caddy with 'uc caddy deploy' and reserve a domain with 'uc dns reserve' later.
   uc machine init root@<your-server-ip> --no-caddy --no-dns`,
 		// TODO: support initialising a cluster on the local machine.
 		Args: cobra.MaximumNArgs(1),
 		RunE: func(cmd *cobra.Command, args []string) error {
+			cli.BindEnvToFlag(cmd, "yes", "UNCLOUD_AUTO_CONFIRM")
+
 			uncli := cmd.Context().Value("cli").(*cli.CLI)
 
 			var remoteMachine *cli.RemoteMachine
 			if len(args) > 0 {
-				user, host, port, err := config.SSHDestination(args[0]).Parse()
+				// Determine if SSH CLI is requested and strip scheme
+				destination := args[0]
+				useSSHCLI := strings.HasPrefix(destination, "ssh+cli://")
+				destination = strings.TrimPrefix(destination, "ssh+cli://")
+				destination = strings.TrimPrefix(destination, "ssh://")
+
+				user, host, port, err := config.SSHDestination(destination).Parse()
 				if err != nil {
 					return fmt.Errorf("parse remote machine: %w", err)
 				}
 				remoteMachine = &cli.RemoteMachine{
-					User:    user,
+					User:      user,
-					Host:    host,
+					Host:      host,
-					Port:    port,
+					Port:      port,
-					KeyPath: opts.sshKey,
+					KeyPath:   opts.sshKey,
+					UseSSHCLI: useSSHCLI,
 				}
 			}
 
 			return initCluster(cmd.Context(), uncli, remoteMachine, opts)
 		},
 	}
+
+	cmd.Flags().StringVarP(
+		&opts.context, "context", "c", cli.DefaultContextName,
+		"Name of the new context to be created in the Uncloud config to manage the cluster.",
+	)
 	cmd.Flags().StringVar(&opts.dnsEndpoint, "dns-endpoint", dns.DefaultUncloudDNSAPIEndpoint,
 		"API endpoint for the Uncloud DNS service.")
 	cmd.Flags().StringVarP(
@@ -107,15 +130,19 @@ func NewInitCommand() *cobra.Command {
 		&opts.version, "version", "latest",
 		"Version of the Uncloud daemon to install on the machine.",
 	)
-	cmd.Flags().StringVarP(
+	cmd.Flags().BoolVarP(&opts.yes, "yes", "y", false,
-		&opts.context, "context", "c", cli.DefaultContextName,
+		"Auto-confirm prompts (e.g., resetting an already initialised machine).\n"+
-		"Name of the new context to be created in the Uncloud config to manage the cluster.",
+			"Should be explicitly set when running non-interactively, e.g., in CI/CD pipelines. [$UNCLOUD_AUTO_CONFIRM]")
-	)
 
 	return cmd
 }
 
 func initCluster(ctx context.Context, uncli *cli.CLI, remoteMachine *cli.RemoteMachine, opts initOptions) error {
+	if uncli.Config == nil {
+		// Config is nil when connecting directly to a remote machine (--connect) without using Uncloud config.
+		return fmt.Errorf("do not specify --connect when initialising a new cluster")
+	}
+
 	netPrefix, err := netip.ParsePrefix(opts.network)
 	if err != nil {
 		return fmt.Errorf("parse network CIDR: %w", err)
@@ -142,20 +169,34 @@ func initCluster(ctx context.Context, uncli *cli.CLI, remoteMachine *cli.RemoteM
 		RemoteMachine: remoteMachine,
 		SkipInstall:   opts.noInstall,
 		Version:       opts.version,
+		AutoConfirm:   opts.yes,
 	})
 	if err != nil {
 		return err
 	}
 	defer client.Close()
 
+	// Since the cluster API needs a few moments to become ready after cluster initialisation,
+	// we keep the user informed during this wait. We wait here even if no Caddy or DNS is requested
+	// as the cluster needs to be ready so that commands such as 'uc machine ls' work immediately after init.
+	err = spinner.New().
+		Title(" Waiting for the cluster to be ready...").
+		Type(spinner.MiniDot).
+		Style(lipgloss.NewStyle().Foreground(lipgloss.Color("3"))).
+		TitleStyle(lipgloss.NewStyle()).
+		ActionWithErr(func(ctx context.Context) error {
+			return client.WaitClusterReady(ctx, 1*time.Minute)
+		}).
+		Run()
+	if err != nil {
+		return fmt.Errorf("wait for cluster to be ready: %w", err)
+	}
+	fmt.Println("Cluster is ready.")
+
 	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 {

cmd/uncloud/machine/ls.go

@@ -14,25 +14,20 @@ import (
 )
 
 func NewListCommand() *cobra.Command {
-	var contextName string
 	cmd := &cobra.Command{
 		Use:     "ls",
 		Aliases: []string{"list"},
 		Short:   "List machines in a cluster.",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			uncli := cmd.Context().Value("cli").(*cli.CLI)
-			return list(cmd.Context(), uncli, contextName)
+			return list(cmd.Context(), uncli)
 		},
 	}
-	cmd.Flags().StringVarP(
-		&contextName, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
 	return cmd
 }
 
-func list(ctx context.Context, uncli *cli.CLI, clusterName string) error {
+func list(ctx context.Context, uncli *cli.CLI) error {
-	client, err := uncli.ConnectCluster(ctx, clusterName)
+	client, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/machine/rename.go

@@ -9,7 +9,6 @@ import (
 )
 
 func NewRenameCommand() *cobra.Command {
-	var contextName string
 	cmd := &cobra.Command{
 		Use:   "rename OLD_NAME NEW_NAME",
 		Short: "Rename a machine in the cluster.",
@@ -20,18 +19,14 @@ configuration including network settings, public IP, and cluster membership.`,
 		Args: cobra.ExactArgs(2),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			uncli := cmd.Context().Value("cli").(*cli.CLI)
-			return rename(cmd.Context(), uncli, contextName, args[0], args[1])
+			return rename(cmd.Context(), uncli, args[0], args[1])
 		},
 	}
-	cmd.Flags().StringVarP(
-		&contextName, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
 	return cmd
 }
 
-func rename(ctx context.Context, uncli *cli.CLI, contextName, oldName, newName string) error {
+func rename(ctx context.Context, uncli *cli.CLI, oldName, newName string) error {
-	client, err := uncli.ConnectCluster(ctx, contextName)
+	client, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return err
 	}

cmd/uncloud/machine/rm.go

@@ -22,7 +22,6 @@ import (
 type removeOptions struct {
 	noReset bool
 	yes     bool
-	context string
 }
 
 func NewRmCommand() *cobra.Command {
@@ -39,8 +38,6 @@ func NewRmCommand() *cobra.Command {
 		},
 	}
 
-	cmd.Flags().StringVarP(&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)")
 	cmd.Flags().BoolVarP(&opts.yes, "yes", "y", false,
 		"Do not prompt for confirmation before removing the machine.")
 	cmd.Flags().BoolVar(&opts.noReset, "no-reset", false,
@@ -51,14 +48,14 @@ func NewRmCommand() *cobra.Command {
 
 func remove(ctx context.Context, uncli *cli.CLI, nameOrID string, opts removeOptions) error {
 	// TODO: automatically choose a connection to the machine that is not being removed.
-	client, err := uncli.ConnectCluster(ctx, opts.context)
+	client, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}
 	defer client.Close()
 
 	// Verify the machine exists and list all service containers on it including stopped ones.
-	mctx, machines, err := api.ProxyMachinesContext(ctx, client, []string{nameOrID})
+	mctx, machines, err := client.ProxyMachinesContext(ctx, []string{nameOrID})
 	if err != nil {
 		return err
 	}
@@ -155,8 +152,21 @@ func remove(ctx context.Context, uncli *cli.CLI, nameOrID string, opts removeOpt
 		}
 	}
 
-	// TODO: remove the connection to the machine from the uncloud config if it exists. We need a way to associate
+	// Remove the connection to the machine from the uncloud config if it exists.
-	//  the machine with its connection in the config, e.g. by storing the machine name in the connection metadata.
+	if uncli.Config != nil {
+		contextName := uncli.GetContextOverrideOrCurrent()
+		if context, ok := uncli.Config.Contexts[contextName]; ok {
+			for i, c := range context.Connections {
+				if c.MachineID == m.Id {
+					context.Connections = slices.Delete(context.Connections, i, i+1)
+					break
+				}
+			}
+			if err := uncli.Config.Save(); err != nil {
+				return fmt.Errorf("save config: %w", err)
+			}
+		}
+	}
 
 	// TODO: If Caddy was running on this machine and a cluster domain is reserved,
 	//  let the user know that the DNS records should be updated.

cmd/uncloud/machine/root.go

@@ -8,7 +8,7 @@ func NewRootCommand() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "machine",
 		Aliases: []string{"m"},
-		Short:   "Manage machines in an Uncloud cluster.",
+		Short:   "Manage machines in the cluster.",
 	}
 	cmd.AddCommand(
 		NewAddCommand(),

cmd/uncloud/machine/update.go

@@ -13,7 +13,6 @@ import (
 type updateOptions struct {
 	name     string
 	publicIP string
-	context  string
 }
 
 func NewUpdateCommand() *cobra.Command {
@@ -43,10 +42,6 @@ At least one flag must be specified to perform an update operation.`,
 		&opts.publicIP, "public-ip", "",
 		fmt.Sprintf("Public IP address of the machine for ingress configuration. Use '%s' or '' to remove the public IP.", PublicIPNone),
 	)
-	cmd.Flags().StringVarP(
-		&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
 
 	return cmd
 }
@@ -57,7 +52,7 @@ func update(ctx context.Context, uncli *cli.CLI, cmd *cobra.Command, opts update
 		return fmt.Errorf("at least one update flag must be specified (--name, --public-ip)")
 	}
 
-	client, err := uncli.ConnectCluster(ctx, opts.context)
+	client, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return err
 	}

cmd/uncloud/main.go

@@ -6,6 +6,7 @@ import (
 	"net/netip"
 	"strings"
 
+	"github.com/charmbracelet/lipgloss"
 	"github.com/psviderski/uncloud/cmd/uncloud/caddy"
 	cmdcontext "github.com/psviderski/uncloud/cmd/uncloud/context"
 	"github.com/psviderski/uncloud/cmd/uncloud/dns"
@@ -13,6 +14,7 @@ import (
 	"github.com/psviderski/uncloud/cmd/uncloud/machine"
 	"github.com/psviderski/uncloud/cmd/uncloud/service"
 	"github.com/psviderski/uncloud/cmd/uncloud/volume"
+	"github.com/psviderski/uncloud/cmd/uncloud/wg"
 	"github.com/psviderski/uncloud/internal/cli"
 	"github.com/psviderski/uncloud/internal/cli/config"
 	"github.com/psviderski/uncloud/internal/fs"
@@ -24,6 +26,7 @@ import (
 type globalOptions struct {
 	configPath string
 	connect    string
+	context    string
 }
 
 func main() {
@@ -38,6 +41,7 @@ func main() {
 		SilenceErrors: true,
 		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
 			cli.BindEnvToFlag(cmd, "connect", "UNCLOUD_CONNECT")
+			cli.BindEnvToFlag(cmd, "context", "UNCLOUD_CONTEXT")
 			cli.BindEnvToFlag(cmd, "uncloud-config", "UNCLOUD_CONFIG")
 
 			var conn *config.MachineConnection
@@ -55,11 +59,12 @@ func main() {
 					conn = &config.MachineConnection{
 						SSHCLI: config.SSHDestination(dest),
 					}
-				} else {
+				} else if strings.HasPrefix(opts.connect, "unix://") {
-					dest := opts.connect
+					conn = &config.MachineConnection{
-					if strings.HasPrefix(dest, "ssh://") {
+						Unix: opts.connect[len("unix://"):],
-						dest = dest[len("ssh://"):]
 					}
+				} else {
+					dest := strings.TrimPrefix(opts.connect, "ssh://")
 					conn = &config.MachineConnection{
 						SSH: config.SSHDestination(dest),
 					}
@@ -67,7 +72,7 @@ func main() {
 			}
 
 			configPath := fs.ExpandHomeDir(opts.configPath)
-			uncli, err := cli.New(configPath, conn)
+			uncli, err := cli.New(configPath, conn, opts.context)
 			if err != nil {
 				return fmt.Errorf("initialise CLI: %w", err)
 			}
@@ -78,30 +83,59 @@ func main() {
 
 	cmd.PersistentFlags().StringVar(&opts.connect, "connect", "",
 		"Connect to a remote cluster machine without using the Uncloud configuration file. [$UNCLOUD_CONNECT]\n"+
-			"Format: [ssh://]user@host[:port], ssh+cli://user@host[:port], or tcp://host:port")
+			"Format: [ssh://]user@host[:port], ssh+cli://user@host[:port], tcp://host:port, or unix:///path/to/uncloud.sock")
 	cmd.PersistentFlags().StringVar(&opts.configPath, "uncloud-config", "~/.config/uncloud/config.yaml",
 		"Path to the Uncloud configuration file. [$UNCLOUD_CONFIG]")
 	_ = cmd.MarkPersistentFlagFilename("uncloud-config", "yaml", "yml")
-	// TODO: make --context a global flag and pass it as a value of the command context.
+	cmd.PersistentFlags().StringVarP(&opts.context, "context", "c", "",
+		"Name of the cluster context to use (default is the current context). [$UNCLOUD_CONTEXT]")
+
+	// Set custom help function to show links to docs and Discord only for the root 'uc' command.
+	defaultHelpFunc := cmd.HelpFunc()
+	cmd.SetHelpFunc(func(c *cobra.Command, args []string) {
+		defaultHelpFunc(c, args)
+		// Only show links for the root 'uc' command.
+		if c.Name() == "uc" {
+			urlStyle := lipgloss.NewStyle().
+				Underline(true).
+				Foreground(lipgloss.Color("12")) // light blue
+
+			fmt.Fprintln(c.OutOrStdout())
+			fmt.Fprintf(c.OutOrStdout(), "Learn more about Uncloud:       %s\n",
+				urlStyle.Render("https://uncloud.run/docs"))
+			fmt.Fprintf(c.OutOrStdout(), "Join our Discord community:     %s\n",
+				urlStyle.Render("https://uncloud.run/discord"))
+		}
+	})
+
+	cmd.AddGroup(&cobra.Group{
+		ID:    "service",
+		Title: "Deploy and manage services:",
+	})
 
 	cmd.AddCommand(
+		NewBuildCommand(),
 		NewDeployCommand(),
 		NewDocsCommand(),
-		NewBuildCommand(),
 		NewImagesCommand(),
+		NewPsCommand(),
 		caddy.NewRootCommand(),
 		cmdcontext.NewRootCommand(),
 		dns.NewRootCommand(),
 		image.NewRootCommand(),
 		machine.NewRootCommand(),
 		service.NewRootCommand(),
-		service.NewExecCommand(),
+		service.NewExecCommand("service"),
-		service.NewInspectCommand(),
+		service.NewInspectCommand("service"),
-		service.NewListCommand(),
+		service.NewListCommand("service"),
-		service.NewRmCommand(),
+		service.NewLogsCommand("service"),
-		service.NewRunCommand(),
+		service.NewRmCommand("service"),
-		service.NewScaleCommand(),
+		service.NewRunCommand("service"),
+		service.NewScaleCommand("service"),
+		service.NewStartCommand("service"),
+		service.NewStopCommand("service"),
 		volume.NewRootCommand(),
+		wg.NewRootCommand(),
 	)
 	cobra.CheckErr(cmd.Execute())
 }

cmd/uncloud/ps.go

@@ -0,0 +1,284 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"sort"
+	"time"
+
+	"github.com/charmbracelet/huh/spinner"
+	"github.com/charmbracelet/lipgloss"
+	"github.com/charmbracelet/lipgloss/table"
+	"github.com/docker/docker/api/types/container"
+	"github.com/docker/go-units"
+	"github.com/spf13/cobra"
+
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/pkg/client"
+)
+
+const (
+	sortByService = "service"
+	sortByMachine = "machine"
+	sortByHealth  = "health"
+)
+
+type containerHighlight int
+
+const (
+	highlightDanger containerHighlight = iota
+	highlightWarning
+	highlightSuccess
+	highlightNormal
+)
+
+type psOptions struct {
+	sortBy string
+}
+
+func NewPsCommand() *cobra.Command {
+	opts := psOptions{}
+	cmd := &cobra.Command{
+		Use:   "ps",
+		Short: "List all service containers.",
+		Long: `List all service containers across all machines in the cluster.
+
+This command provides a comprehensive overview of all running containers that are part of a service,
+making it easy to see the distribution and status of containers across the cluster.`,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+
+			if opts.sortBy != sortByService && opts.sortBy != sortByMachine && opts.sortBy != sortByHealth {
+				return fmt.Errorf("invalid value for --sort: %q, must be one of '%s', '%s' or '%s'", opts.sortBy,
+					sortByService, sortByMachine, sortByHealth)
+			}
+
+			return runPs(cmd.Context(), uncli, opts)
+		},
+		GroupID: "service",
+	}
+	cmd.Flags().StringVarP(&opts.sortBy, "sort", "s", sortByService,
+		"Sort containers by 'service', 'machine', or 'health'.")
+	return cmd
+}
+
+type containerInfo struct {
+	serviceName string
+	machineName string
+	id          string
+	name        string
+	image       string
+	status      string
+	highlight   containerHighlight
+	created     time.Time
+	ip          string
+}
+
+func runPs(ctx context.Context, uncli *cli.CLI, opts psOptions) error {
+	clusterClient, err := uncli.ConnectCluster(ctx)
+	if err != nil {
+		return fmt.Errorf("connect to cluster: %w", err)
+	}
+	defer clusterClient.Close()
+
+	var containers []containerInfo
+	err = spinner.New().
+		Title(" Collecting container info...").
+		Type(spinner.MiniDot).
+		Style(lipgloss.NewStyle().Foreground(lipgloss.Color("3"))).
+		ActionWithErr(func(ctx context.Context) error {
+			containers, err = collectContainers(ctx, clusterClient)
+			return err
+		}).
+		Run()
+	if err != nil {
+		return fmt.Errorf("collect containers: %w", err)
+	}
+
+	// Sort the containers based on the sorting option.
+	sort.SliceStable(containers, func(i, j int) bool {
+		a, b := containers[i], containers[j]
+		switch opts.sortBy {
+		case sortByHealth:
+			if a.highlight != b.highlight {
+				return a.highlight < b.highlight
+			}
+			if a.serviceName != b.serviceName {
+				return a.serviceName < b.serviceName
+			}
+		case sortByMachine:
+			if a.machineName != b.machineName {
+				return a.machineName < b.machineName
+			}
+			if a.serviceName != b.serviceName {
+				return a.serviceName < b.serviceName
+			}
+		default: // sortByService
+			if a.serviceName != b.serviceName {
+				return a.serviceName < b.serviceName
+			}
+		}
+		// Fallback to creation time (newest first).
+		return a.created.After(b.created)
+	})
+
+	return printContainers(containers)
+}
+
+func printContainers(containers []containerInfo) error {
+	t := table.New().
+		// Remove the default border.
+		Border(lipgloss.Border{}).
+		BorderTop(false).
+		BorderBottom(false).
+		BorderLeft(false).
+		BorderRight(false).
+		BorderHeader(false).
+		BorderColumn(false).
+		StyleFunc(func(row, col int) lipgloss.Style {
+			if row == table.HeaderRow {
+				return lipgloss.NewStyle().Bold(true).PaddingRight(3)
+			}
+			// Regular style for data rows with padding.
+			return lipgloss.NewStyle().PaddingRight(3)
+		})
+
+	t.Headers("SERVICE", "CONTAINER ID", "CONTAINER NAME", "IMAGE", "CREATED", "STATUS", "IP ADDRESS", "MACHINE")
+
+	for _, ctr := range containers {
+		id := ctr.id
+		if len(id) > 12 {
+			id = id[:12]
+		}
+
+		created := units.HumanDuration(time.Now().UTC().Sub(ctr.created)) + " ago"
+
+		var statusStyle lipgloss.Style
+		switch ctr.highlight {
+		case highlightSuccess:
+			statusStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("2")) // Green
+		case highlightDanger:
+			statusStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("1")) // Red
+		case highlightWarning:
+			statusStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("3")) // Yellow
+		default:
+			statusStyle = lipgloss.NewStyle() // Default
+		}
+
+		t.Row(
+			ctr.serviceName,
+			id,
+			ctr.name,
+			ctr.image,
+			created,
+			statusStyle.Render(ctr.status),
+			ctr.ip,
+			ctr.machineName,
+		)
+	}
+
+	fmt.Println(t)
+	return nil
+}
+
+func collectContainers(ctx context.Context, cli *client.Client) ([]containerInfo, error) {
+	listCtx, machines, err := cli.ProxyMachinesContext(ctx, nil)
+	if err != nil {
+		return nil, fmt.Errorf("proxy machines context: %w", err)
+	}
+
+	// Create a map of IP to machine name for resolving response metadata
+	machinesNamesByIP := make(map[string]string)
+	for _, m := range machines {
+		if addr, err := m.Machine.Network.ManagementIp.ToAddr(); err == nil {
+			machinesNamesByIP[addr.String()] = m.Machine.Name
+		}
+	}
+
+	// List all service containers across all machines in the cluster.
+	machineContainers, err := cli.Docker.ListServiceContainers(
+		listCtx, "", container.ListOptions{All: true},
+	)
+	if err != nil {
+		return nil, fmt.Errorf("list service containers: %w", err)
+	}
+
+	var containers []containerInfo
+	for _, msc := range machineContainers {
+		// Metadata can be nil if the request was broadcasted to only one machine.
+		if msc.Metadata == nil && len(machineContainers) > 1 {
+			return nil, fmt.Errorf("something went wrong with gRPC proxy: metadata is missing for a machine response")
+		}
+
+		machineName := "unknown"
+		if msc.Metadata != nil {
+			var ok bool
+			machineName, ok = machinesNamesByIP[msc.Metadata.Machine]
+			if !ok {
+				// Fallback to machine's IP as name.
+				machineName = msc.Metadata.Machine
+			}
+		} else {
+			// Fallback to the first available machine name.
+			if len(machines) > 0 {
+				machineName = machines[0].Machine.Name
+			}
+		}
+
+		if msc.Metadata != nil && msc.Metadata.Error != "" {
+			client.PrintWarning(fmt.Sprintf("failed to list containers on machine %s: %s", machineName,
+				msc.Metadata.Error))
+			continue
+		}
+
+		for _, ctr := range msc.Containers {
+			if ctr.Container.State == nil || ctr.Container.Config == nil {
+				continue
+			}
+
+			status, err := ctr.Container.HumanState()
+			if err != nil {
+				return nil, fmt.Errorf("get human state for container %s: %w", ctr.Container.ID, err)
+			}
+
+			var highlight containerHighlight
+			healthStatus := ""
+			if ctr.Container.State.Health != nil {
+				healthStatus = ctr.Container.State.Health.Status
+			}
+
+			if healthStatus == container.Unhealthy || ctr.Container.State.Status == "dead" || ctr.Container.State.OOMKilled || ctr.Container.State.Dead {
+				highlight = highlightDanger
+			} else if healthStatus == container.Healthy {
+				highlight = highlightSuccess
+			} else if ctr.Container.State.Status == "running" {
+				highlight = highlightNormal
+			} else { // Other non-critical but noteworthy states
+				highlight = highlightWarning
+			}
+
+			created, _ := time.Parse(time.RFC3339Nano, ctr.Container.Created)
+
+			ip := ctr.Container.UncloudNetworkIP()
+			ipStr := ""
+			// The container might not have an IP if it's not running or uses the host network.
+			if ip.IsValid() {
+				ipStr = ip.String()
+			}
+
+			info := containerInfo{
+				serviceName: ctr.ServiceName(),
+				machineName: machineName,
+				id:          ctr.Container.ID,
+				name:        ctr.Container.Name,
+				image:       ctr.Container.Config.Image,
+				status:      status,
+				highlight:   highlight,
+				created:     created,
+				ip:          ipStr,
+			}
+			containers = append(containers, info)
+		}
+	}
+	return containers, nil
+}

cmd/uncloud/ps_test.go

@@ -0,0 +1,442 @@
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"net/netip"
+	"testing"
+
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/internal/machine/docker"
+	"github.com/psviderski/uncloud/pkg/client"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"google.golang.org/grpc"
+	"google.golang.org/protobuf/types/known/emptypb"
+)
+
+// mockDockerClient implements pb.DockerClient
+type mockDockerClient struct {
+	pb.DockerClient // Embed to avoid implementing all methods
+	listResp        *pb.ListServiceContainersResponse
+	listErr         error
+}
+
+func (m *mockDockerClient) ListServiceContainers(ctx context.Context, in *pb.ListServiceContainersRequest, opts ...grpc.CallOption) (*pb.ListServiceContainersResponse, error) {
+	return m.listResp, m.listErr
+}
+
+// mockClusterClient implements pb.ClusterClient
+type mockClusterClient struct {
+	pb.ClusterClient // Embed to avoid implementing all methods
+	machinesResp     *pb.ListMachinesResponse
+	machinesErr      error
+}
+
+func (m *mockClusterClient) ListMachines(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*pb.ListMachinesResponse, error) {
+	return m.machinesResp, m.machinesErr
+}
+
+func TestCollectContainers_NilMetadata(t *testing.T) {
+	// Setup container data
+	containerData := map[string]interface{}{
+		"Id":   "container1",
+		"Name": "test-container",
+		"Config": map[string]interface{}{
+			"Image": "test-image",
+		},
+		"State": map[string]interface{}{
+			"Status":     "running",
+			"StartedAt":  "2023-01-01T12:00:00Z",
+			"FinishedAt": "0001-01-01T00:00:00Z",
+		},
+		"NetworkSettings": map[string]interface{}{
+			"Networks": map[string]interface{}{},
+		},
+	}
+	containerJSON, err := json.Marshal(containerData)
+	require.NoError(t, err)
+
+	serviceSpecJSON, err := json.Marshal(map[string]interface{}{})
+	require.NoError(t, err)
+
+	// Setup mocks
+	mockDocker := &mockDockerClient{
+		listResp: &pb.ListServiceContainersResponse{
+			Messages: []*pb.MachineServiceContainers{
+				{
+					Metadata: nil, // Simulating the issue: nil metadata
+					Containers: []*pb.ServiceContainer{
+						{
+							Container:   containerJSON,
+							ServiceSpec: serviceSpecJSON,
+						},
+					},
+				},
+			},
+		},
+	}
+
+	machineIP := "10.0.0.1"
+	mockCluster := &mockClusterClient{
+		machinesResp: &pb.ListMachinesResponse{
+			Machines: []*pb.MachineMember{
+				{
+					Machine: &pb.MachineInfo{
+						Name: "machine-1",
+						Network: &pb.NetworkConfig{
+							ManagementIp: pb.NewIP(netip.MustParseAddr(machineIP)),
+						},
+					},
+					State: pb.MachineMember_UP,
+				},
+			},
+		},
+	}
+
+	// Construct client with mocks
+	cli := &client.Client{
+		Docker: &docker.Client{
+			GRPCClient: mockDocker,
+		},
+		ClusterClient: mockCluster,
+	}
+
+	// Execute
+	containers, err := collectContainers(context.Background(), cli)
+	require.NoError(t, err)
+
+	// Verify
+	assert.Len(t, containers, 1)
+	if len(containers) > 0 {
+		c := containers[0]
+		assert.Equal(t, "container1", c.id)
+		assert.Equal(t, "test-container", c.name)
+		assert.Equal(t, "machine-1", c.machineName, "Should fall back to the single machine name when metadata is nil")
+	}
+}
+
+func TestCollectContainers_NilMetadata_MultipleMachines_Error(t *testing.T) {
+	// If we have multiple machines but receive nil metadata, it should return an error as it is ambiguous
+
+	// Setup container data
+	containerData1 := map[string]interface{}{
+		"Id": "container1",
+	}
+	containerJSON1, _ := json.Marshal(containerData1)
+
+	containerData2 := map[string]interface{}{
+		"Id": "container2",
+		"Config": map[string]interface{}{
+			"Image": "test-image",
+		},
+		"State": map[string]interface{}{
+			"Status":     "running",
+			"StartedAt":  "2023-01-01T12:00:00Z",
+			"FinishedAt": "0001-01-01T00:00:00Z",
+		},
+		"NetworkSettings": map[string]interface{}{
+			"Networks": map[string]interface{}{},
+		},
+	}
+	containerJSON2, _ := json.Marshal(containerData2)
+
+	serviceSpecJSON, _ := json.Marshal(map[string]interface{}{})
+
+	// Setup mocks
+	mockDocker := &mockDockerClient{
+		listResp: &pb.ListServiceContainersResponse{
+			Messages: []*pb.MachineServiceContainers{
+				{
+					Metadata: nil, // Nil metadata
+					Containers: []*pb.ServiceContainer{
+						{
+							Container:   containerJSON1,
+							ServiceSpec: serviceSpecJSON,
+						},
+					},
+				},
+				{
+					Metadata: &pb.Metadata{Machine: "10.0.0.2"},
+					Containers: []*pb.ServiceContainer{
+						{
+							Container:   containerJSON2,
+							ServiceSpec: serviceSpecJSON,
+						},
+					},
+				},
+			},
+		},
+	}
+
+	mockCluster := &mockClusterClient{
+		machinesResp: &pb.ListMachinesResponse{
+			Machines: []*pb.MachineMember{
+				{
+					Machine: &pb.MachineInfo{
+						Name: "machine-1",
+						Network: &pb.NetworkConfig{
+							ManagementIp: pb.NewIP(netip.MustParseAddr("10.0.0.1")),
+						},
+					},
+				},
+				{
+					Machine: &pb.MachineInfo{
+						Name: "machine-2",
+						Network: &pb.NetworkConfig{
+							ManagementIp: pb.NewIP(netip.MustParseAddr("10.0.0.2")),
+						},
+					},
+				},
+			},
+		},
+	}
+
+	// Construct client with mocks
+	cli := &client.Client{
+		Docker: &docker.Client{
+			GRPCClient: mockDocker,
+		},
+		ClusterClient: mockCluster,
+	}
+
+	// Execute
+	_, err := collectContainers(context.Background(), cli)
+	require.Error(t, err)
+	assert.Contains(t, err.Error(), "metadata is missing for a machine response")
+}
+
+func TestCollectContainers_MetadataPresent_MultipleMachines(t *testing.T) {
+	// Verify correct mapping of containers to machines when metadata is present
+
+	// Setup container data
+	containerData1 := map[string]interface{}{
+		"Id":   "container1",
+		"Name": "container-1",
+		"Config": map[string]interface{}{
+			"Image": "image-1",
+		},
+		"State": map[string]interface{}{
+			"Status":     "running",
+			"StartedAt":  "2023-01-01T12:00:00Z",
+			"FinishedAt": "0001-01-01T00:00:00Z",
+		},
+		"NetworkSettings": map[string]interface{}{
+			"Networks": map[string]interface{}{},
+		},
+	}
+	containerJSON1, _ := json.Marshal(containerData1)
+
+	containerData2 := map[string]interface{}{
+		"Id":   "container2",
+		"Name": "container-2",
+		"Config": map[string]interface{}{
+			"Image": "image-2",
+		},
+		"State": map[string]interface{}{
+			"Status":     "running",
+			"StartedAt":  "2023-01-01T12:00:00Z",
+			"FinishedAt": "0001-01-01T00:00:00Z",
+		},
+		"NetworkSettings": map[string]interface{}{
+			"Networks": map[string]interface{}{},
+		},
+	}
+	containerJSON2, _ := json.Marshal(containerData2)
+
+	serviceSpecJSON, _ := json.Marshal(map[string]interface{}{})
+
+	// Setup mocks
+	mockDocker := &mockDockerClient{
+		listResp: &pb.ListServiceContainersResponse{
+			Messages: []*pb.MachineServiceContainers{
+				{
+					Metadata: &pb.Metadata{Machine: "10.0.0.1"},
+					Containers: []*pb.ServiceContainer{
+						{
+							Container:   containerJSON1,
+							ServiceSpec: serviceSpecJSON,
+						},
+					},
+				},
+				{
+					Metadata: &pb.Metadata{Machine: "10.0.0.2"},
+					Containers: []*pb.ServiceContainer{
+						{
+							Container:   containerJSON2,
+							ServiceSpec: serviceSpecJSON,
+						},
+					},
+				},
+			},
+		},
+	}
+
+	mockCluster := &mockClusterClient{
+		machinesResp: &pb.ListMachinesResponse{
+			Machines: []*pb.MachineMember{
+				{
+					Machine: &pb.MachineInfo{
+						Name: "machine-1",
+						Network: &pb.NetworkConfig{
+							ManagementIp: pb.NewIP(netip.MustParseAddr("10.0.0.1")),
+						},
+					},
+				},
+				{
+					Machine: &pb.MachineInfo{
+						Name: "machine-2",
+						Network: &pb.NetworkConfig{
+							ManagementIp: pb.NewIP(netip.MustParseAddr("10.0.0.2")),
+						},
+					},
+				},
+			},
+		},
+	}
+
+	cli := &client.Client{
+		Docker:        &docker.Client{GRPCClient: mockDocker},
+		ClusterClient: mockCluster,
+	}
+
+	containers, err := collectContainers(context.Background(), cli)
+	require.NoError(t, err)
+
+	assert.Len(t, containers, 2)
+	// Order is not guaranteed by the map iteration in logic or parallel fetch (though here it's mocked sequential),
+	// but collectContainers just appends.
+	// We'll find them by ID.
+	for _, c := range containers {
+		if c.id == "container1" {
+			assert.Equal(t, "machine-1", c.machineName)
+		} else if c.id == "container2" {
+			assert.Equal(t, "machine-2", c.machineName)
+		} else {
+			t.Errorf("unexpected container id: %s", c.id)
+		}
+	}
+}
+
+func TestCollectContainers_NilMetadata_NoMachines(t *testing.T) {
+	// Case: 1 msc with nil metadata but no machines at all
+
+	containerData := map[string]interface{}{
+		"Id": "container1",
+		"Config": map[string]interface{}{
+			"Image": "test-image",
+		},
+		"State": map[string]interface{}{
+			"Status":     "running",
+			"StartedAt":  "2023-01-01T12:00:00Z",
+			"FinishedAt": "0001-01-01T00:00:00Z",
+		},
+		"NetworkSettings": map[string]interface{}{
+			"Networks": map[string]interface{}{},
+		},
+	}
+	containerJSON, _ := json.Marshal(containerData)
+	serviceSpecJSON, _ := json.Marshal(map[string]interface{}{})
+
+	mockDocker := &mockDockerClient{
+		listResp: &pb.ListServiceContainersResponse{
+			Messages: []*pb.MachineServiceContainers{
+				{
+					Metadata: nil,
+					Containers: []*pb.ServiceContainer{
+						{
+							Container:   containerJSON,
+							ServiceSpec: serviceSpecJSON,
+						},
+					},
+				},
+			},
+		},
+	}
+
+	// No machines in cluster response
+	mockCluster := &mockClusterClient{
+		machinesResp: &pb.ListMachinesResponse{
+			Machines: []*pb.MachineMember{},
+		},
+	}
+
+	cli := &client.Client{
+		Docker:        &docker.Client{GRPCClient: mockDocker},
+		ClusterClient: mockCluster,
+	}
+
+	containers, err := collectContainers(context.Background(), cli)
+	require.NoError(t, err)
+
+	assert.Len(t, containers, 1)
+	if len(containers) > 0 {
+		assert.Equal(t, "unknown", containers[0].machineName)
+	}
+}
+
+func TestCollectContainers_MetadataPresent_NotInMapping(t *testing.T) {
+	// Case: msc with metadata that is not in the IP-to-name mapping
+
+	containerData := map[string]interface{}{
+		"Id": "container1",
+		"Config": map[string]interface{}{
+			"Image": "test-image",
+		},
+		"State": map[string]interface{}{
+			"Status":     "running",
+			"StartedAt":  "2023-01-01T12:00:00Z",
+			"FinishedAt": "0001-01-01T00:00:00Z",
+		},
+		"NetworkSettings": map[string]interface{}{
+			"Networks": map[string]interface{}{},
+		},
+	}
+	containerJSON, _ := json.Marshal(containerData)
+	serviceSpecJSON, _ := json.Marshal(map[string]interface{}{})
+
+	mockDocker := &mockDockerClient{
+		listResp: &pb.ListServiceContainersResponse{
+			Messages: []*pb.MachineServiceContainers{
+				{
+					Metadata: &pb.Metadata{Machine: "10.0.0.99"}, // Unknown IP
+					Containers: []*pb.ServiceContainer{
+						{
+							Container:   containerJSON,
+							ServiceSpec: serviceSpecJSON,
+						},
+					},
+				},
+			},
+		},
+	}
+
+	mockCluster := &mockClusterClient{
+		machinesResp: &pb.ListMachinesResponse{
+			Machines: []*pb.MachineMember{
+				{
+					Machine: &pb.MachineInfo{
+						Name: "machine-1",
+						Network: &pb.NetworkConfig{
+							ManagementIp: pb.NewIP(netip.MustParseAddr("10.0.0.1")),
+						},
+					},
+				},
+			},
+		},
+	}
+
+	cli := &client.Client{
+		Docker:        &docker.Client{GRPCClient: mockDocker},
+		ClusterClient: mockCluster,
+	}
+
+	containers, err := collectContainers(context.Background(), cli)
+	require.NoError(t, err)
+
+	assert.Len(t, containers, 1)
+	if len(containers) > 0 {
+		// Should fallback to the IP/string in metadata
+		assert.Equal(t, "10.0.0.99", containers[0].machineName)
+	}
+}

cmd/uncloud/service/exec.go

@@ -15,18 +15,17 @@ type execCliOptions struct {
 	detach      bool
 	interactive bool
 	noTty       bool
-	context     string
 	containerId string
 }
 
 var DEFAULT_COMMAND = []string{"sh", "-c", "command -v bash >/dev/null 2>&1 && exec bash || exec sh"}
 
-func NewExecCommand() *cobra.Command {
+func NewExecCommand(groupID string) *cobra.Command {
 	opts := execCliOptions{}
 
 	execCmd := &cobra.Command{
 		Use:   "exec [OPTIONS] SERVICE [COMMAND ARGS...]",
-		Short: "Execute a command in a running service container",
+		Short: "Execute a command in a running service container.",
 		Long: `Execute a command (interactive shell by default) in a running container within a service.
 If the service has multiple replicas and no container ID is specified, the command will be executed in a random container.
 	`,
@@ -55,11 +54,12 @@ If the service has multiple replicas and no container ID is specified, the comma
 			}
 			return runExec(cmd.Context(), uncli, serviceName, command, opts)
 		},
+		GroupID: groupID,
 	}
 
 	execCmd.Flags().BoolVarP(&opts.detach, "detach", "d", false, "Detached mode: run command in the background")
 
-	execCmd.Flags().BoolVarP(&opts.noTty, "no-tty", "T", !cli.IsStdoutTerminal(),
+	execCmd.Flags().BoolVarP(&opts.noTty, "no-tty", "T", false,
 		"Disable pseudo-TTY allocation. By default 'uc exec' allocates a TTY when connected to a terminal.")
 
 	// Keep "-i" and "-t" flags hidden for compatibility with docker exec
@@ -69,9 +69,6 @@ If the service has multiple replicas and no container ID is specified, the comma
 	execCmd.Flags().BoolP("tty", "t", false, "Allocate a pseudo-TTY")
 	execCmd.Flags().MarkHidden("tty")
 
-	execCmd.Flags().StringVarP(&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)")
-
 	// Common flags
 	execCmd.Flags().StringVar(&opts.containerId, "container", "",
 		"ID of the container to exec into. Accepts full ID or a unique prefix "+
@@ -85,6 +82,11 @@ If the service has multiple replicas and no container ID is specified, the comma
 }
 
 func runExec(ctx context.Context, uncli *cli.CLI, serviceName string, command []string, opts execCliOptions) error {
+	// Disable TTY allocation if not connected to a terminal
+	if !cli.IsStdoutTerminal() {
+		opts.noTty = true
+	}
+
 	if !opts.detach {
 		// Check if we're trying to attach to a TTY from a non-TTY client, e.g.
 		// when doing an 'cmd | uc exec ...'
@@ -95,7 +97,7 @@ func runExec(ctx context.Context, uncli *cli.CLI, serviceName string, command []
 		}
 	}
 
-	client, err := uncli.ConnectClusterWithOptions(ctx, opts.context, cli.ConnectOptions{
+	client, err := uncli.ConnectClusterWithOptions(ctx, cli.ConnectOptions{
 		ShowProgress: false,
 	})
 	if err != nil {

cmd/uncloud/service/inspect.go

@@ -4,21 +4,22 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"slices"
 	"text/tabwriter"
 	"time"
 
 	"github.com/docker/docker/pkg/stringid"
 	"github.com/docker/go-units"
 	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/pkg/api"
 	"github.com/spf13/cobra"
 )
 
 type inspectOptions struct {
 	service string
-	context string
 }
 
-func NewInspectCommand() *cobra.Command {
+func NewInspectCommand(groupID string) *cobra.Command {
 	opts := inspectOptions{}
 	cmd := &cobra.Command{
 		Use:   "inspect SERVICE",
@@ -29,16 +30,13 @@ func NewInspectCommand() *cobra.Command {
 			opts.service = args[0]
 			return inspect(cmd.Context(), uncli, opts)
 		},
+		GroupID: groupID,
 	}
-	cmd.Flags().StringVarP(
-		&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
 	return cmd
 }
 
 func inspect(ctx context.Context, uncli *cli.CLI, opts inspectOptions) error {
-	client, err := uncli.ConnectCluster(ctx, opts.context)
+	client, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}
@@ -63,18 +61,26 @@ func inspect(ctx context.Context, uncli *cli.CLI, opts inspectOptions) error {
 	fmt.Printf("Mode:       %s\n", svc.Mode)
 	fmt.Println()
 
+	// Parse created times for sorting and display.
+	createdTimes := make(map[string]time.Time, len(svc.Containers))
+	for _, ctr := range svc.Containers {
+		createdTimes[ctr.Container.ID], _ = time.Parse(time.RFC3339Nano, ctr.Container.Created)
+	}
+
+	// Sort containers by created time (newest first).
+	slices.SortFunc(svc.Containers, func(a, b api.MachineServiceContainer) int {
+		return createdTimes[b.Container.ID].Compare(createdTimes[a.Container.ID])
+	})
+
 	// Print the list of containers in a table format.
 	tw := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0)
-	if _, err = fmt.Fprintln(tw, "CONTAINER ID\tIMAGE\tCREATED\tSTATUS\tMACHINE"); err != nil {
+	if _, err = fmt.Fprintln(tw, "CONTAINER ID\tIMAGE\tCREATED\tSTATUS\tIP ADDRESS\tMACHINE"); err != nil {
 		return fmt.Errorf("write header: %w", err)
 	}
 
+	now := time.Now().UTC()
 	for _, ctr := range svc.Containers {
-		createdAt, err := time.Parse(time.RFC3339Nano, ctr.Container.Created)
+		created := units.HumanDuration(now.Sub(createdTimes[ctr.Container.ID])) + " ago"
-		if err != nil {
-			return fmt.Errorf("parse created time: %w", err)
-		}
-		created := units.HumanDuration(time.Now().UTC().Sub(createdAt)) + " ago"
 
 		machine := machinesNamesByID[ctr.MachineID]
 		if machine == "" {
@@ -85,13 +91,21 @@ func inspect(ctx context.Context, uncli *cli.CLI, opts inspectOptions) error {
 			return fmt.Errorf("get human state: %w", err)
 		}
 
+		ip := ctr.Container.UncloudNetworkIP()
+		ipStr := ""
+		// The container might not have an IP if it's not running or uses the host network.
+		if ip.IsValid() {
+			ipStr = ip.String()
+		}
+
 		_, err = fmt.Fprintf(
 			tw,
-			"%s\t%s\t%s\t%s\t%s\n",
+			"%s\t%s\t%s\t%s\t%s\t%s\n",
 			stringid.TruncateID(ctr.Container.ID),
 			ctr.Container.Config.Image,
 			created,
 			state,
+			ipStr,
 			machine,
 		)
 		if err != nil {

cmd/uncloud/service/logs.go

@@ -0,0 +1,336 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"os"
+	"slices"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/charmbracelet/lipgloss"
+	mapset "github.com/deckarep/golang-set/v2"
+	"github.com/docker/docker/pkg/stringid"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/psviderski/uncloud/pkg/client"
+	"github.com/psviderski/uncloud/pkg/client/compose"
+	"github.com/spf13/cobra"
+)
+
+type logsOptions struct {
+	files    []string
+	follow   bool
+	tail     string
+	since    string
+	until    string
+	utc      bool
+	machines []string
+}
+
+func NewLogsCommand(groupID string) *cobra.Command {
+	var options logsOptions
+
+	cmd := &cobra.Command{
+		Use:     "logs [SERVICE...]",
+		Aliases: []string{"log"},
+		Short:   "View service logs.",
+		Long: `View logs from all replicas of the specified service(s) across all machines in the cluster.
+
+If no services are specified, streams logs from all services defined in the Compose file
+(compose.yaml by default or the file(s) specified with --file).`,
+		Example: `  # View recent logs for a service.
+  uc logs web
+
+  # Stream logs in real-time (follow mode).
+  uc logs -f web
+
+  # View logs from multiple services.
+  uc logs web api db
+
+  # View logs from all services in compose.yaml.
+  uc logs
+
+  # Show last 20 lines per replica (default is 100).
+  uc logs -n 20 web
+
+  # Show all logs without line limit.
+  uc logs -n all web
+
+  # View logs from a specific time range.
+  uc logs --since 3h --until 1h30m web
+
+  # View logs only from replicas running on specific machines.
+  uc logs -m machine1,machine2 web api`,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+			return runLogs(cmd.Context(), uncli, args, options)
+		},
+		GroupID: groupID,
+	}
+
+	cmd.Flags().StringSliceVar(&options.files, "file", nil,
+		"One or more Compose files to load service names from when no services are specified. (default compose.yaml)")
+	cmd.Flags().BoolVarP(&options.follow, "follow", "f", false,
+		"Continually stream new logs.")
+	cmd.Flags().StringSliceVarP(&options.machines, "machine", "m", nil,
+		"Filter logs by machine name or ID. Can be specified multiple times or as a comma-separated list.")
+	cmd.Flags().StringVar(&options.since, "since", "",
+		"Show logs generated on or after the given timestamp. Accepts relative duration, RFC 3339 date, or Unix timestamp.\n"+
+			"Examples:\n"+
+			"  --since 2m30s                      Relative duration (2 minutes 30 seconds ago)\n"+
+			"  --since 1h                         Relative duration (1 hour ago)\n"+
+			"  --since 2025-11-24                 RFC 3339 date only (midnight using local timezone)\n"+
+			"  --since 2024-05-14T22:50:00        RFC 3339 date/time using local timezone\n"+
+			"  --since 2024-01-31T10:30:00Z       RFC 3339 date/time in UTC\n"+
+			"  --since 1763953966                 Unix timestamp (seconds since January 1, 1970)")
+	cmd.Flags().StringVarP(&options.tail, "tail", "n", "100",
+		"Show the most recent logs and limit the number of lines shown per replica. Use 'all' to show all logs.")
+	cmd.Flags().StringVar(&options.until, "until", "",
+		"Show logs generated before the given timestamp. Accepts relative duration, RFC 3339 date, or Unix timestamp.\n"+
+			"See --since for examples.")
+	cmd.Flags().BoolVar(&options.utc, "utc", false,
+		"Print timestamps in UTC instead of local timezone.")
+
+	return cmd
+}
+
+func runLogs(ctx context.Context, uncli *cli.CLI, serviceNames []string, opts logsOptions) error {
+	// If no services specified, try to load them from the Compose file(s).
+	if len(serviceNames) == 0 {
+		project, err := compose.LoadProject(ctx, opts.files)
+		if err != nil {
+			return fmt.Errorf("load compose file(s): %w", err)
+		}
+		// View logs for all services, including disabled by inactive profiles.
+		serviceNames = append(project.ServiceNames(), project.DisabledServiceNames()...)
+		if len(serviceNames) == 0 {
+			return errors.New("no services found in compose file(s)")
+		}
+	}
+
+	// Parse tail option.
+	tail := -1
+	if opts.tail != "all" {
+		tailInt, err := strconv.Atoi(opts.tail)
+		if err != nil {
+			return fmt.Errorf("invalid --tail value '%s': %w", opts.tail, err)
+		}
+		tail = tailInt
+	}
+
+	c, err := uncli.ConnectCluster(ctx)
+	if err != nil {
+		return fmt.Errorf("connect to cluster: %w", err)
+	}
+	defer c.Close()
+
+	logsOpts := api.ServiceLogsOptions{
+		Follow:   opts.follow,
+		Tail:     tail,
+		Since:    opts.since,
+		Until:    opts.until,
+		Machines: cli.ExpandCommaSeparatedValues(opts.machines),
+	}
+
+	// Collect log streams from all services.
+	machineIDsSet := mapset.NewSet[string]()
+	svcStreams := make([]<-chan api.ServiceLogEntry, 0, len(serviceNames))
+	for _, serviceName := range serviceNames {
+		svc, ch, err := c.ServiceLogs(ctx, serviceName, logsOpts)
+		if err != nil {
+			return fmt.Errorf("stream logs for service '%s': %w", serviceName, err)
+		}
+		svcStreams = append(svcStreams, ch)
+
+		machineIDs := svc.MachineIDs()
+		machineIDsSet.Append(machineIDs...)
+	}
+
+	var stream <-chan api.ServiceLogEntry
+	if len(serviceNames) == 1 {
+		stream = svcStreams[0]
+	} else {
+		// Merge all service streams into a single sorted stream without stall detection as its handled per-service.
+		merger := client.NewLogMerger(svcStreams, client.LogMergerOptions{})
+		stream = merger.Stream()
+	}
+
+	// Fetch machine names for all machines (machineIDsSet) service containers are running on.
+	machines, err := c.ListMachines(ctx, &api.MachineFilter{NamesOrIDs: machineIDsSet.ToSlice()})
+	if err != nil {
+		return fmt.Errorf("list machines: %w", err)
+	}
+	machineNames := make([]string, 0, len(machines))
+	for _, m := range machines {
+		machineNames = append(machineNames, m.Machine.Name)
+	}
+
+	formatter := newLogFormatter(machineNames, serviceNames, opts.utc)
+
+	// Print merged logs.
+	for entry := range stream {
+		if entry.Err != nil {
+			formatter.printError(entry)
+			continue
+		}
+		formatter.printEntry(entry)
+	}
+
+	return nil
+}
+
+// Available colors for machine/service differentiation.
+var colorPalette = []lipgloss.Color{
+	lipgloss.Color("10"), // Bright green
+	lipgloss.Color("11"), // Bright yellow
+	lipgloss.Color("12"), // Bright blue
+	lipgloss.Color("13"), // Bright magenta
+	lipgloss.Color("14"), // Bright cyan
+	lipgloss.Color("2"),  // Green
+	lipgloss.Color("3"),  // Yellow
+	lipgloss.Color("4"),  // Blue
+	lipgloss.Color("5"),  // Magenta
+	lipgloss.Color("6"),  // Cyan
+}
+
+// logFormatter handles formatting and printing of log entries with dynamic column alignment.
+type logFormatter struct {
+	machineNames []string
+	serviceNames []string
+
+	maxMachineWidth int
+	maxServiceWidth int
+
+	utc bool
+}
+
+func newLogFormatter(machineNames, serviceNames []string, utc bool) *logFormatter {
+	slices.Sort(machineNames)
+	slices.Sort(serviceNames)
+
+	maxMachineWidth := 0
+	for _, name := range machineNames {
+		if len(name) > maxMachineWidth {
+			maxMachineWidth = len(name)
+		}
+	}
+
+	maxServiceWidth := 0
+	for _, name := range serviceNames {
+		if len(name) > maxServiceWidth {
+			maxServiceWidth = len(name)
+		}
+	}
+
+	return &logFormatter{
+		machineNames:    machineNames,
+		serviceNames:    serviceNames,
+		maxMachineWidth: maxMachineWidth,
+		maxServiceWidth: maxServiceWidth,
+		utc:             utc,
+	}
+}
+
+// formatTimestamp formats timestamp using local timezone or UTC if configured.
+func (f *logFormatter) formatTimestamp(t time.Time) string {
+	if f.utc {
+		t = t.UTC()
+	} else {
+		t = t.In(time.Local)
+	}
+	dimStyle := lipgloss.NewStyle().Faint(true)
+
+	return dimStyle.Render(t.Format(time.StampMilli))
+}
+
+func (f *logFormatter) formatMachine(name string) string {
+	style := lipgloss.NewStyle().Bold(true).PaddingRight(f.maxMachineWidth - len(name))
+
+	if len(f.serviceNames) == 1 {
+		// Machine name is coloured for single-service logs.
+		i := slices.Index(f.machineNames, name)
+		if i == -1 {
+			f.machineNames = append(f.machineNames, name)
+			i = len(f.machineNames) - 1
+		}
+
+		style = style.Foreground(colorPalette[i%len(colorPalette)])
+	}
+
+	return style.Render(name)
+}
+
+func (f *logFormatter) formatServiceContainer(serviceName, containerID string) string {
+	styleService := lipgloss.NewStyle().Bold(true).PaddingRight(f.maxServiceWidth - len(serviceName))
+	styleContainer := lipgloss.NewStyle().Faint(true)
+
+	if len(f.serviceNames) > 1 {
+		// Service name is coloured for multi-service logs.
+		i := slices.Index(f.serviceNames, serviceName)
+		if i == -1 {
+			f.serviceNames = append(f.serviceNames, serviceName)
+			i = len(f.serviceNames) - 1
+		}
+
+		styleService = styleService.Foreground(colorPalette[i%len(colorPalette)])
+	}
+
+	return styleService.Render(serviceName) + styleContainer.Render("["+containerID[:5]+"]")
+}
+
+// printEntry prints a single log entry with proper formatting.
+func (f *logFormatter) printEntry(entry api.ServiceLogEntry) {
+	if entry.Stream != api.LogStreamStdout && entry.Stream != api.LogStreamStderr {
+		return
+	}
+
+	var output strings.Builder
+
+	// Timestamp
+	output.WriteString(f.formatTimestamp(entry.Timestamp))
+	output.WriteString(" ")
+
+	// Machine name
+	output.WriteString(f.formatMachine(entry.Metadata.MachineName))
+	output.WriteString(" ")
+
+	// Service[container_id]
+	output.WriteString(f.formatServiceContainer(entry.Metadata.ServiceName, entry.Metadata.ContainerID))
+	output.WriteString(" ")
+
+	// Message
+	output.Write(entry.Message)
+
+	// Print to appropriate stream.
+	if entry.Stream == api.LogStreamStderr {
+		fmt.Fprint(os.Stderr, output.String())
+	} else {
+		fmt.Print(output.String())
+	}
+}
+
+// printError prints an error entry (e.g., stalled stream warning).
+func (f *logFormatter) printError(entry api.ServiceLogEntry) {
+	if entry.Metadata.ContainerID != "" {
+		msg := fmt.Sprintf("WARNING: log stream from %s[%s] on machine '%s'",
+			entry.Metadata.ServiceName,
+			stringid.TruncateID(entry.Metadata.ContainerID),
+			entry.Metadata.MachineName)
+
+		if errors.Is(entry.Err, api.ErrLogStreamStalled) {
+			msg += " stopped responding"
+		} else {
+			msg += fmt.Sprintf(": %v", entry.Err)
+		}
+
+		style := lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("11")) // Bold bright yellow
+		fmt.Fprintln(os.Stderr, style.Render(msg))
+	} else {
+		msg := fmt.Sprintf("ERROR: %v", entry.Err)
+		style := lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("9")) // Bold bright red
+		fmt.Fprintln(os.Stderr, style.Render(msg))
+	}
+}

cmd/uncloud/service/ls.go

@@ -4,33 +4,31 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"slices"
 	"strings"
 	"text/tabwriter"
 
 	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/pkg/api"
 	"github.com/spf13/cobra"
 )
 
-func NewListCommand() *cobra.Command {
+func NewListCommand(groupID string) *cobra.Command {
-	var contextName string
 	cmd := &cobra.Command{
 		Use:     "ls",
 		Aliases: []string{"list"},
 		Short:   "List services.",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			uncli := cmd.Context().Value("cli").(*cli.CLI)
-			return list(cmd.Context(), uncli, contextName)
+			return list(cmd.Context(), uncli)
 		},
+		GroupID: groupID,
 	}
-	cmd.Flags().StringVarP(
-		&contextName, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
 	return cmd
 }
 
-func list(ctx context.Context, uncli *cli.CLI, contextName string) error {
+func list(ctx context.Context, uncli *cli.CLI) error {
-	client, err := uncli.ConnectCluster(ctx, contextName)
+	client, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}
@@ -41,15 +39,15 @@ func list(ctx context.Context, uncli *cli.CLI, contextName string) error {
 		return fmt.Errorf("list services: %w", err)
 	}
 
-	serviceNames := make(map[string]struct{}, len(services))
+	// Sort services by name.
 	haveDuplicateNames := false
-	for _, svc := range services {
+	slices.SortFunc(services, func(a, b api.Service) int {
-		if _, exists := serviceNames[svc.Name]; exists {
+		if a.Name == b.Name {
 			haveDuplicateNames = true
-			break
+			return strings.Compare(a.ID, b.ID)
 		}
-		serviceNames[svc.Name] = struct{}{}
+		return strings.Compare(a.Name, b.Name)
-	}
+	})
 
 	// Print the list of services in a table format.
 	tw := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0)

cmd/uncloud/service/rm.go

@@ -11,31 +11,32 @@ import (
 
 type rmOptions struct {
 	services []string
-	context  string
 }
 
-func NewRmCommand() *cobra.Command {
+func NewRmCommand(groupID string) *cobra.Command {
 	opts := rmOptions{}
 	cmd := &cobra.Command{
 		Use:     "rm SERVICE [SERVICE...]",
 		Aliases: []string{"remove", "delete"},
 		Short:   "Remove one or more services.",
-		Args:    cobra.MinimumNArgs(1),
+		Long: `Remove one or more services.
+
+The volumes used by the services are preserved and should be removed separately
+with 'uc volume rm'. Anonymous Docker volumes (automatically created from VOLUME
+directives in image Dockerfiles) are automatically removed with their containers.`,
+		Args: cobra.MinimumNArgs(1),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			uncli := cmd.Context().Value("cli").(*cli.CLI)
 			opts.services = args
 			return rm(cmd.Context(), uncli, opts)
 		},
+		GroupID: groupID,
 	}
-	cmd.Flags().StringVarP(
-		&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
 	return cmd
 }
 
 func rm(ctx context.Context, uncli *cli.CLI, opts rmOptions) error {
-	client, err := uncli.ConnectCluster(ctx, opts.context)
+	client, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/service/root.go

@@ -8,15 +8,18 @@ func NewRootCommand() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "service",
 		Aliases: []string{"svc"},
-		Short:   "Manage services in an Uncloud cluster.",
+		Short:   "Manage services in the cluster.",
 	}
 	cmd.AddCommand(
-		NewInspectCommand(),
+		NewExecCommand(""),
-		NewListCommand(),
+		NewInspectCommand(""),
-		NewRmCommand(),
+		NewListCommand(""),
-		NewRunCommand(),
+		NewLogsCommand(""),
-		NewScaleCommand(),
+		NewRmCommand(""),
-		NewExecCommand(),
+		NewRunCommand(""),
+		NewScaleCommand(""),
+		NewStartCommand(""),
+		NewStopCommand(""),
 	)
 	return cmd
 }

cmd/uncloud/service/run.go

@@ -34,11 +34,9 @@ type runOptions struct {
 	replicas          uint
 	user              string
 	volumes           []string
-
-	context string
 }
 
-func NewRunCommand() *cobra.Command {
+func NewRunCommand(groupID string) *cobra.Command {
 	opts := runOptions{}
 
 	cmd := &cobra.Command{
@@ -56,6 +54,7 @@ func NewRunCommand() *cobra.Command {
 
 			return run(cmd.Context(), uncli, opts)
 		},
+		GroupID: groupID,
 	}
 
 	cmd.Flags().StringVar(&opts.caddyfile, "caddyfile", "",
@@ -112,11 +111,6 @@ func NewRunCommand() *cobra.Command {
 			"  -v /data/uploads:/app/uploads         	 Bind mount /data/uploads host directory to /app/uploads in container\n"+
 			"  -v /host/path:/container/path:ro 		 Bind mount a host directory or file as read-only")
 
-	cmd.Flags().StringVarP(
-		&opts.context, "context", "c", "",
-		"Name of the cluster context to run the service in. (default is the current context)",
-	)
-
 	return cmd
 }
 
@@ -126,7 +120,7 @@ func run(ctx context.Context, uncli *cli.CLI, opts runOptions) error {
 		return err
 	}
 
-	clusterClient, err := uncli.ConnectCluster(ctx, opts.context)
+	clusterClient, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/service/scale.go

@@ -15,10 +15,9 @@ import (
 type scaleOptions struct {
 	service  string
 	replicas uint
-	context  string
 }
 
-func NewScaleCommand() *cobra.Command {
+func NewScaleCommand(groupID string) *cobra.Command {
 	opts := scaleOptions{}
 	cmd := &cobra.Command{
 		Use:   "scale SERVICE REPLICAS",
@@ -37,13 +36,9 @@ func NewScaleCommand() *cobra.Command {
 
 			return scale(cmd.Context(), uncli, opts)
 		},
+		GroupID: groupID,
 	}
 
-	cmd.Flags().StringVarP(
-		&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)",
-	)
-
 	return cmd
 }
 
@@ -57,7 +52,7 @@ func scale(ctx context.Context, uncli *cli.CLI, opts scaleOptions) error {
 		)
 	}
 
-	clusterClient, err := uncli.ConnectCluster(ctx, opts.context)
+	clusterClient, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/service/start.go

@@ -0,0 +1,54 @@
+//nolint:dupl
+package service
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/docker/compose/v2/pkg/progress"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/spf13/cobra"
+)
+
+type startOptions struct {
+	services []string
+}
+
+func NewStartCommand(groupID string) *cobra.Command {
+	opts := startOptions{}
+	cmd := &cobra.Command{
+		Use:   "start SERVICE [SERVICE...]",
+		Short: "Start one or more services.",
+		Long: `Start one or more previously stopped services.
+
+Starts all containers of the specified service(s) across all machines in the cluster.
+Services can be specified by name or ID.`,
+		Args: cobra.MinimumNArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+			opts.services = args
+			return start(cmd.Context(), uncli, opts)
+		},
+		GroupID: groupID,
+	}
+	return cmd
+}
+
+func start(ctx context.Context, uncli *cli.CLI, opts startOptions) error {
+	client, err := uncli.ConnectCluster(ctx)
+	if err != nil {
+		return fmt.Errorf("connect to cluster: %w", err)
+	}
+	defer client.Close()
+
+	for _, s := range opts.services {
+		err = progress.RunWithTitle(ctx, func(ctx context.Context) error {
+			if err = client.StartService(ctx, s); err != nil {
+				return fmt.Errorf("start service '%s': %w", s, err)
+			}
+			return nil
+		}, uncli.ProgressOut(), "Starting service "+s)
+	}
+
+	return err
+}

cmd/uncloud/service/stop.go

@@ -0,0 +1,68 @@
+//nolint:dupl
+package service
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/docker/compose/v2/pkg/progress"
+	"github.com/docker/docker/api/types/container"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/spf13/cobra"
+)
+
+type stopOptions struct {
+	services []string
+	signal   string
+	timeout  int
+}
+
+func NewStopCommand(groupID string) *cobra.Command {
+	opts := stopOptions{}
+	cmd := &cobra.Command{
+		Use:   "stop SERVICE [SERVICE...]",
+		Short: "Stop one or more services.",
+		Long: `Stop one or more running services.
+
+Gracefully stops all containers of the specified service(s) across all machines in the cluster.
+Services can be specified by name or ID. Stopped services can be restarted with 'uc start'.`,
+		Args: cobra.MinimumNArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+			opts.services = args
+			return stop(cmd.Context(), uncli, opts)
+		},
+		GroupID: groupID,
+	}
+	cmd.Flags().StringVarP(&opts.signal, "signal", "s", "",
+		"Signal to send to each container's main process.\n"+
+			"Can be a signal name (SIGTERM, SIGINT, SIGHUP, etc.) or a number. (default SIGTERM)")
+	cmd.Flags().IntVarP(&opts.timeout, "timeout", "t", 10,
+		"Seconds to wait for each container to stop gracefully before forcibly killing it with SIGKILL.\n"+
+			"Use -1 to wait indefinitely.")
+	return cmd
+}
+
+func stop(ctx context.Context, uncli *cli.CLI, opts stopOptions) error {
+	client, err := uncli.ConnectCluster(ctx)
+	if err != nil {
+		return fmt.Errorf("connect to cluster: %w", err)
+	}
+	defer client.Close()
+
+	stopOpts := container.StopOptions{
+		Signal:  opts.signal,
+		Timeout: &opts.timeout,
+	}
+
+	for _, s := range opts.services {
+		err = progress.RunWithTitle(ctx, func(ctx context.Context) error {
+			if err = client.StopService(ctx, s, stopOpts); err != nil {
+				return fmt.Errorf("stop service '%s': %w", s, err)
+			}
+			return nil
+		}, uncli.ProgressOut(), "Stopping service "+s)
+	}
+
+	return err
+}

cmd/uncloud/volume/create.go

@@ -19,7 +19,6 @@ type createOptions struct {
 	driverOpts []string
 	labels     []string
 	machine    string
-	context    string
 }
 
 func NewCreateCommand() *cobra.Command {
@@ -50,14 +49,12 @@ func NewCreateCommand() *cobra.Command {
 		"Labels to assign to the volume in the form of 'key=value' pairs. Can be specified multiple times.")
 	cmd.Flags().StringVarP(&opts.machine, "machine", "m", "",
 		"Name or ID of the machine to create the volume on.")
-	cmd.Flags().StringVarP(&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)")
 
 	return cmd
 }
 
 func create(ctx context.Context, uncli *cli.CLI, name string, opts createOptions) error {
-	client, err := uncli.ConnectCluster(ctx, opts.context)
+	client, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/volume/inspect.go

@@ -13,7 +13,6 @@ import (
 
 type inspectOptions struct {
 	machine string
-	context string
 }
 
 func NewInspectCommand() *cobra.Command {
@@ -32,14 +31,12 @@ func NewInspectCommand() *cobra.Command {
 	cmd.Flags().StringVarP(&opts.machine, "machine", "m", "",
 		"Name or ID of the machine where the volume is located. "+
 			"If not specified, the volume will be searched across all machines.")
-	cmd.Flags().StringVarP(&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)")
 
 	return cmd
 }
 
 func inspect(ctx context.Context, uncli *cli.CLI, name string, opts inspectOptions) error {
-	client, err := uncli.ConnectCluster(ctx, opts.context)
+	client, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/volume/ls.go

@@ -16,7 +16,6 @@ import (
 type listOptions struct {
 	machines []string
 	quiet    bool
-	context  string
 }
 
 func NewListCommand() *cobra.Command {
@@ -38,14 +37,11 @@ func NewListCommand() *cobra.Command {
 	cmd.Flags().BoolVarP(&opts.quiet, "quiet", "q", false,
 		"Only display volume names.")
 
-	cmd.Flags().StringVarP(&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)")
-
 	return cmd
 }
 
 func list(ctx context.Context, uncli *cli.CLI, opts listOptions) error {
-	client, err := uncli.ConnectCluster(ctx, opts.context)
+	client, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/volume/rm.go

@@ -14,7 +14,6 @@ type removeOptions struct {
 	force    bool
 	machines []string
 	yes      bool
-	context  string
 }
 
 func NewRemoveCommand() *cobra.Command {
@@ -41,14 +40,11 @@ func NewRemoveCommand() *cobra.Command {
 	cmd.Flags().BoolVarP(&opts.yes, "yes", "y", false,
 		"Do not prompt for confirmation before removing the volume(s).")
 
-	cmd.Flags().StringVarP(&opts.context, "context", "c", "",
-		"Name of the cluster context. (default is the current context)")
-
 	return cmd
 }
 
 func remove(ctx context.Context, uncli *cli.CLI, names []string, opts removeOptions) error {
-	client, err := uncli.ConnectCluster(ctx, opts.context)
+	client, err := uncli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

cmd/uncloud/volume/root.go

@@ -7,7 +7,7 @@ import (
 func NewRootCommand() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "volume",
-		Short: "Manage volumes in an Uncloud cluster.",
+		Short: "Manage volumes in the cluster.",
 	}
 	cmd.AddCommand(
 		NewCreateCommand(),

cmd/uncloud/wg/wg.go

@@ -0,0 +1,132 @@
+package wg
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"strings"
+	"text/tabwriter"
+	"time"
+
+	"github.com/docker/go-units"
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/spf13/cobra"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+func NewRootCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "wg",
+		Short: "Inspect WireGuard network",
+	}
+	cmd.AddCommand(newShowCommand())
+	return cmd
+}
+
+type showOptions struct {
+	machine string
+}
+
+func newShowCommand() *cobra.Command {
+	opts := showOptions{}
+	cmd := &cobra.Command{
+		Use:   "show",
+		Short: "Show WireGuard network configuration for a machine.",
+		Long: "Show the WireGuard network configuration for the machine currently connected to " +
+			"(or specified by the global --connect flag).",
+		Args: cobra.NoArgs,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+			return runShow(cmd.Context(), uncli, opts)
+		},
+	}
+	cmd.Flags().StringVarP(&opts.machine, "machine", "m", "",
+		"Name or ID of the machine to show the configuration for. (default is connected machine)")
+	return cmd
+}
+
+func runShow(ctx context.Context, uncli *cli.CLI, opts showOptions) error {
+	client, err := uncli.ConnectCluster(ctx)
+	if err != nil {
+		return fmt.Errorf("connection failed: %w", err)
+	}
+	defer client.Close()
+
+	if opts.machine != "" {
+		// Proxy requests to the specified machine.
+		ctx, _, err = client.ProxyMachinesContext(ctx, []string{opts.machine})
+		if err != nil {
+			return err
+		}
+	}
+
+	resp, err := client.MachineClient.InspectWireGuardNetwork(ctx, nil)
+	if err != nil {
+		if status.Code(err) == codes.Unimplemented {
+			return fmt.Errorf("inspect WireGuard network: "+
+				"make sure the target machine is running uncloudd daemon version >= 0.16.0: %w", err)
+		}
+		return err
+	}
+
+	machines, err := client.ListMachines(ctx, nil)
+	if err != nil {
+		return fmt.Errorf("list machines: %w", err)
+	}
+	machinesNamesByPublicKey := make(map[string]string)
+	for _, m := range machines {
+		publicKey := wgtypes.Key(m.Machine.Network.PublicKey).String()
+		machinesNamesByPublicKey[publicKey] = m.Machine.Name
+	}
+
+	// Fetch the machine's name for more descriptive output
+	inspectResp, err := client.MachineClient.InspectMachine(ctx, nil)
+	if err == nil {
+		fmt.Printf("Machine name:         %s\n", inspectResp.Machines[0].Machine.Name)
+	}
+
+	fmt.Printf("WireGuard interface:  %s\n", resp.InterfaceName)
+	fmt.Printf("WireGuard public key: %s\n", wgtypes.Key(resp.PublicKey).String())
+	fmt.Printf("WireGuard port:       %d\n", resp.ListenPort)
+	fmt.Println()
+
+	if len(resp.Peers) == 0 {
+		fmt.Println("No WireGuard peers configured.")
+		return nil
+	}
+
+	tw := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0)
+	if _, err = fmt.Fprintln(tw, "PEER\tPUBLIC KEY\tENDPOINT\tHANDSHAKE\tRECEIVED\tSENT\tALLOWED IPS"); err != nil {
+		return fmt.Errorf("write header: %w", err)
+	}
+
+	for _, peer := range resp.Peers {
+		machineName, ok := machinesNamesByPublicKey[wgtypes.Key(peer.PublicKey).String()]
+		if !ok {
+			machineName = "(unknown)"
+		}
+
+		lastHandshake := ""
+		if peer.LastHandshakeTime != nil {
+			lastHandshake = time.Since(peer.LastHandshakeTime.AsTime()).Round(time.Second).String() + " ago"
+		}
+
+		_, err = fmt.Fprintf(
+			tw,
+			"%s\t%s\t%s\t%s\t%s\t%s\t%s\n",
+			machineName,
+			wgtypes.Key(peer.PublicKey).String(),
+			peer.Endpoint,
+			lastHandshake,
+			units.HumanSize(float64(peer.ReceiveBytes)),
+			units.HumanSize(float64(peer.TransmitBytes)),
+			strings.Join(peer.AllowedIps, ", "),
+		)
+		if err != nil {
+			return fmt.Errorf("write row: %w", err)
+		}
+	}
+	return tw.Flush()
+}

go.mod

@@ -9,9 +9,10 @@ require (
 	github.com/alecthomas/chroma/v2 v2.20.0
 	github.com/caddyserver/caddy/v2 v2.8.4
 	github.com/cenkalti/backoff/v4 v4.3.0
-	github.com/charmbracelet/bubbles v0.20.0
+	github.com/charmbracelet/bubbles v0.21.0
-	github.com/charmbracelet/bubbletea v1.3.9
+	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/huh v0.6.0
+	github.com/charmbracelet/huh/spinner v0.0.0-20251110114415-25888d17260b
 	github.com/charmbracelet/lipgloss v1.1.0
 	github.com/compose-spec/compose-go/v2 v2.9.0
 	github.com/containerd/errdefs v1.0.0
@@ -45,7 +46,7 @@ require (
 	github.com/muesli/termenv v0.16.0
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/image-spec v1.1.1
-	github.com/psviderski/unregistry v0.3.1
+	github.com/psviderski/unregistry v0.4.1
 	github.com/siderolabs/discovery-api v0.1.4
 	github.com/siderolabs/discovery-client v0.1.9
 	github.com/siderolabs/grpc-proxy v0.5.1
@@ -149,7 +150,7 @@ require (
 	github.com/eiannone/keyboard v0.0.0-20220611211555-0d226195f203 // indirect
 	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
 	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
-	github.com/fatih/color v1.17.0 // indirect
+	github.com/fatih/color v1.18.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/fsnotify/fsevents v0.2.0 // indirect
 	github.com/fvbommel/sortorder v1.1.0 // indirect

go.sum

@@ -168,22 +168,24 @@ github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
 github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/charmbracelet/bubbles v0.20.0 h1:jSZu6qD8cRQ6k9OMfR1WlM+ruM8fkPWkHvQWD9LIutE=
+github.com/charmbracelet/bubbles v0.21.0 h1:9TdC97SdRVg/1aaXNVWfFH3nnLAwOXr8Fn6u6mfQdFs=
-github.com/charmbracelet/bubbles v0.20.0/go.mod h1:39slydyswPy+uVOHZ5x/GjwVAFkCsV8IIVy+4MhzwwU=
+github.com/charmbracelet/bubbles v0.21.0/go.mod h1:HF+v6QUR4HkEpz62dx7ym2xc71/KBHg+zKwJtMw+qtg=
-github.com/charmbracelet/bubbletea v1.3.9 h1:OBYdfRo6QnlIcXNmcoI2n1NNS65Nk6kI2L2FO1puS/4=
+github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
-github.com/charmbracelet/bubbletea v1.3.9/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
+github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
 github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc h1:4pZI35227imm7yK2bGPcfpFEmuY1gc2YSTShr4iJBfs=
 github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc/go.mod h1:X4/0JoqgTIPSFcRA/P6INZzIuyqdFY5rm8tb41s9okk=
 github.com/charmbracelet/huh v0.6.0 h1:mZM8VvZGuE0hoDXq6XLxRtgfWyTI3b2jZNKh0xWmax8=
 github.com/charmbracelet/huh v0.6.0/go.mod h1:GGNKeWCeNzKpEOh/OJD8WBwTQjV3prFAtQPpLv+AVwU=
+github.com/charmbracelet/huh/spinner v0.0.0-20251110114415-25888d17260b h1:oefmPctgff7OB4cDz3Ndp+ewwrh7i+fwth70qvZCieI=
+github.com/charmbracelet/huh/spinner v0.0.0-20251110114415-25888d17260b/go.mod h1:OMqKat/mm9a/qOnpuNOPyYO9bPzRNnmzLnRZT5KYltg=
 github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
 github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
 github.com/charmbracelet/x/ansi v0.10.1 h1:rL3Koar5XvX0pHGfovN03f5cxLbCF2YvLeyz7D2jVDQ=
 github.com/charmbracelet/x/ansi v0.10.1/go.mod h1:3RQDQ6lDnROptfpWuUVIUG64bD2g2BgntdxH0Ya5TeE=
 github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd h1:vy0GVL4jeHEwG5YOXDmi86oYw2yuYUGqz6a8sLwg0X8=
 github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
-github.com/charmbracelet/x/exp/golden v0.0.0-20240815200342-61de596daa2b h1:MnAMdlwSltxJyULnrYbkZpp4k58Co7Tah3ciKhSNo0Q=
+github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91 h1:payRxjMjKgx2PaCWLZ4p3ro9y97+TVLZNaRZgJwSVDQ=
-github.com/charmbracelet/x/exp/golden v0.0.0-20240815200342-61de596daa2b/go.mod h1:wDlXFlCrmJ8J+swcL/MnGUuYnqgQdW9rhSD61oNMb6U=
+github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91/go.mod h1:wDlXFlCrmJ8J+swcL/MnGUuYnqgQdW9rhSD61oNMb6U=
 github.com/charmbracelet/x/exp/strings v0.0.0-20240919170804-a4978c8e603a h1:JMdM89Udp/cOl5tC3MuUJXTPE/nAdU1oyt9jRU44qq8=
 github.com/charmbracelet/x/exp/strings v0.0.0-20240919170804-a4978c8e603a/go.mod h1:pBhA0ybfXv6hDjQUZ7hk1lVxBiUbupdw5R31yPUViVQ=
 github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
@@ -344,8 +346,8 @@ github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97
 github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5/go.mod h1:a2zkGnVExMxdzMo3M0Hi/3sEU+cWnZpSni0O6/Yb/P0=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU=
-github.com/fatih/color v1.17.0 h1:GlRw1BRJxkpqUCBKzKOw098ed57fEsKeNjpTe3cSjK4=
+github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
-github.com/fatih/color v1.17.0/go.mod h1:YZ7TlrGPkiz6ku9fK3TLD/pl3CpsiFyu8N92HLgmosI=
+github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/flynn/noise v1.1.0 h1:KjPQoQCEFdZDiP03phOvGi11+SVVhBG2wOWAorLsstg=
@@ -1038,8 +1040,8 @@ github.com/prometheus/procfs v0.0.3/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDa
 github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A=
 github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
 github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
-github.com/psviderski/unregistry v0.3.1 h1:2xQ3uMNMyXAASqq9+kGUgNMIFOvPSMIFGdz47uDfjhQ=
+github.com/psviderski/unregistry v0.4.1 h1:KedQTjyj8hHbzygK9uw5YS10amMZ5cjSYHqSjUUBhoE=
-github.com/psviderski/unregistry v0.3.1/go.mod h1:DXLnzrskO5NuRlzZhpbyo1E6KpirnctUvq6WtCGkpUQ=
+github.com/psviderski/unregistry v0.4.1/go.mod h1:DXLnzrskO5NuRlzZhpbyo1E6KpirnctUvq6WtCGkpUQ=
 github.com/quic-go/qpack v0.5.1 h1:giqksBPnT/HDtZ6VhtFKgoLOWmlyo9Ei6u9PqzIMbhI=
 github.com/quic-go/qpack v0.5.1/go.mod h1:+PC4XFrEskIVkcLzpEkbLqq1uCoxPhQuvK5rH1ZgaEg=
 github.com/quic-go/quic-go v0.48.2 h1:wsKXZPeGWpMpCGSWqOcqpW2wZYic/8T3aqiOID0/KWE=

internal/cli/build.go

@@ -40,8 +40,6 @@ type BuildServicesOptions struct {
 	PushRegistry bool
 
 	// Cluster-specific options (only used if PushCluster is true).
-	// Context is the name of the cluster context.
-	Context string
 	// Machines is a list of machine names or IDs to push the image to. If empty, images are pushed to all machines.
 	Machines []string
 }
@@ -95,7 +93,7 @@ func (cli *CLI) BuildServices(ctx context.Context, project *composetypes.Project
 	// Add a line break after the build output.
 	fmt.Fprintln(cli.ProgressOut())
 
-	clusterClient, err := cli.ConnectCluster(ctx, opts.Context)
+	clusterClient, err := cli.ConnectCluster(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to cluster: %w", err)
 	}

internal/cli/cli.go

@@ -28,14 +28,16 @@ const (
 )
 
 type CLI struct {
-	Config *config.Config
+	Config          *config.Config
-	conn   *config.MachineConnection
+	conn            *config.MachineConnection
+	contextOverride string
 }
 
 // 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 a non-empty context name is given, it will override the current default.
+func New(configPath string, conn *config.MachineConnection, contextName string) (*CLI, error) {
 	if conn != nil {
 		return &CLI{conn: conn}, nil
 	}
@@ -46,7 +48,8 @@ func New(configPath string, conn *config.MachineConnection) (*CLI, error) {
 	}
 
 	return &CLI{
-		Config: cfg,
+		Config:          cfg,
+		contextOverride: contextName,
 	}, nil
 }
 
@@ -68,19 +71,28 @@ func (cli *CLI) SetCurrentContext(name string) error {
 	return cli.Config.Save()
 }
 
-// ConnectCluster connects to a cluster using the given context name or the current context if not specified.
+func (cli *CLI) GetContextOverrideOrCurrent() string {
+	contextName := cli.contextOverride
+	if contextName == "" {
+		contextName = cli.Config.CurrentContext
+	}
+	return contextName
+}
+
+// ConnectCluster connects to a cluster using the context override or the current context 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, contextName string) (*client.Client, error) {
+func (cli *CLI) ConnectCluster(ctx context.Context) (*client.Client, error) {
-	return cli.ConnectClusterWithOptions(ctx, contextName, ConnectOptions{
+	return cli.ConnectClusterWithOptions(ctx, ConnectOptions{
 		// Default to showing progress for CLI usage.
 		ShowProgress: true,
 	})
 }
 
-// ConnectClusterWithOptions connects to a cluster using the given context name and options.
+// ConnectClusterWithOptions connects to a cluster with the given options.
 // If the CLI was initialised with a machine connection, the config is ignored and the connection is used instead.
+// If the CLI has an override context, it is used instead of the current default.
 // Options are useful when using the CLI as a library where you may want to disable visual feedback.
-func (cli *CLI) ConnectClusterWithOptions(ctx context.Context, contextName string, opts ConnectOptions) (*client.Client, error) {
+func (cli *CLI) ConnectClusterWithOptions(ctx context.Context, opts ConnectOptions) (*client.Client, error) {
 	if cli.conn != nil {
 		return ConnectCluster(ctx, *cli.conn, opts)
 	}
@@ -92,6 +104,8 @@ func (cli *CLI) ConnectClusterWithOptions(ctx context.Context, contextName strin
 			cli.Config.Path(),
 		)
 	}
+
+	contextName := cli.contextOverride
 	if contextName == "" {
 		// If the cluster is not specified, use the current cluster if set.
 		if cli.Config.CurrentContext == "" {
@@ -148,6 +162,7 @@ type InitClusterOptions struct {
 	RemoteMachine *RemoteMachine
 	SkipInstall   bool
 	Version       string
+	AutoConfirm   bool
 }
 
 // InitCluster initialises a new cluster on a remote machine and returns a client to interact with the cluster.
@@ -157,7 +172,7 @@ func (cli *CLI) InitCluster(ctx context.Context, opts InitClusterOptions) (*clie
 		return cli.initRemoteMachine(ctx, opts)
 	}
 	// TODO: implement local machine initialisation
-	return nil, fmt.Errorf("local machine initialisation is not implemented yet")
+	return nil, fmt.Errorf("local machine initialisation is not implemented yet. Please specify a remote machine")
 }
 
 func (cli *CLI) initRemoteMachine(ctx context.Context, opts InitClusterOptions) (*client.Client, error) {
@@ -183,7 +198,12 @@ func (cli *CLI) initRemoteMachine(ctx context.Context, opts InitClusterOptions)
 		return nil, fmt.Errorf("inspect machine: %w", err)
 	}
 	if minfo.Id != "" {
-		if err = promptResetMachine(ctx, machineClient.MachineClient); err != nil {
+		if !opts.AutoConfirm {
+			if err = promptResetMachine(); err != nil {
+				return nil, err
+			}
+		}
+		if err = resetAndWaitMachine(ctx, machineClient.MachineClient); err != nil {
 			return nil, err
 		}
 	}
@@ -228,8 +248,21 @@ func (cli *CLI) initRemoteMachine(ctx context.Context, opts InitClusterOptions)
 
 	// Save the machine's SSH connection details in the context config.
 	connCfg := config.MachineConnection{
-		SSH:        config.NewSSHDestination(opts.RemoteMachine.User, opts.RemoteMachine.Host, opts.RemoteMachine.Port),
 		SSHKeyFile: opts.RemoteMachine.KeyPath,
+		MachineID:  resp.Machine.Id,
+	}
+	if opts.RemoteMachine.UseSSHCLI {
+		connCfg.SSHCLI = config.NewSSHDestination(
+			opts.RemoteMachine.User,
+			opts.RemoteMachine.Host,
+			opts.RemoteMachine.Port,
+		)
+	} else {
+		connCfg.SSH = config.NewSSHDestination(
+			opts.RemoteMachine.User,
+			opts.RemoteMachine.Host,
+			opts.RemoteMachine.Port,
+		)
 	}
 	cli.Config.Contexts[contextName].Connections = append(cli.Config.Contexts[contextName].Connections, connCfg)
 	if err = cli.Config.Save(); err != nil {
@@ -265,12 +298,12 @@ func (cli *CLI) newContextName(name string) (string, error) {
 }
 
 type AddMachineOptions struct {
-	Context       string
 	MachineName   string
 	PublicIP      *netip.Addr
 	RemoteMachine *RemoteMachine
 	SkipInstall   bool
 	Version       string
+	AutoConfirm   bool
 }
 
 // AddMachine provisions a remote machine and adds it to the cluster. It returns a cluster client and a machine client.
@@ -278,11 +311,8 @@ type AddMachineOptions struct {
 // cluster. The machine client is connected to the new machine and can be used to interact with it.
 // Both client should be closed after use by the caller.
 func (cli *CLI) AddMachine(ctx context.Context, opts AddMachineOptions) (*client.Client, *client.Client, error) {
-	contextName := opts.Context
+	contextName := cli.GetContextOverrideOrCurrent()
-	if contextName == "" {
+	c, err := cli.ConnectCluster(ctx)
-		contextName = cli.Config.CurrentContext
-	}
-	c, err := cli.ConnectCluster(ctx, contextName)
 	if err != nil {
 		return nil, nil, fmt.Errorf("connect to cluster (context '%s'): %w", contextName, err)
 	}
@@ -303,6 +333,7 @@ func (cli *CLI) AddMachine(ctx context.Context, opts AddMachineOptions) (*client
 	}()
 
 	// Check if the machine is already initialised as a cluster member and prompt the user to reset it first.
+	// TODO: refactor to use client.InspectMachine.
 	minfo, err := machineClient.Inspect(ctx, &emptypb.Empty{})
 	if err != nil {
 		return nil, nil, fmt.Errorf("inspect machine: %w", err)
@@ -319,7 +350,12 @@ func (cli *CLI) AddMachine(ctx context.Context, opts AddMachineOptions) (*client
 			return nil, nil, fmt.Errorf("machine is already a member of this cluster (%s)", minfo.Name)
 		}
 
-		if err = promptResetMachine(ctx, machineClient.MachineClient); err != nil {
+		if !opts.AutoConfirm {
+			if err = promptResetMachine(); err != nil {
+				return nil, nil, err
+			}
+		}
+		if err = resetAndWaitMachine(ctx, machineClient.MachineClient); err != nil {
 			return nil, nil, err
 		}
 	}
@@ -370,6 +406,18 @@ func (cli *CLI) AddMachine(ctx context.Context, opts AddMachineOptions) (*client
 		return nil, nil, fmt.Errorf("add machine to cluster (context '%s'): %w", contextName, err)
 	}
 
+	// Get the current store DB version from the cluster to pass to the join request.
+	var storeDBVersion int64
+	inspectResp, err := c.MachineClient.InspectMachine(ctx, &emptypb.Empty{})
+	if err != nil {
+		// TODO(lhf): remove Unimplemented check when v0.17.0 is released.
+		if status.Convert(err).Code() != codes.Unimplemented {
+			return nil, nil, fmt.Errorf("inspect current cluster machine: %w", err)
+		}
+	} else {
+		storeDBVersion = inspectResp.Machines[0].StoreDbVersion
+	}
+
 	// Get the most up-to-date list of other machines in the cluster to include them in the join request.
 	machines, err := c.ListMachines(ctx, nil)
 	if err != nil {
@@ -384,8 +432,9 @@ func (cli *CLI) AddMachine(ctx context.Context, opts AddMachineOptions) (*client
 
 	// Configure the remote machine to join the cluster.
 	joinReq := &pb.JoinClusterRequest{
-		Machine:       addResp.Machine,
+		Machine:           addResp.Machine,
-		OtherMachines: otherMachines,
+		OtherMachines:     otherMachines,
+		MinStoreDbVersion: storeDBVersion,
 	}
 	if _, err = machineClient.JoinCluster(ctx, joinReq); err != nil {
 		return nil, nil, fmt.Errorf("join cluster: %w", err)
@@ -396,11 +445,21 @@ func (cli *CLI) AddMachine(ctx context.Context, opts AddMachineOptions) (*client
 
 	// Save the machine's SSH connection details in the context config.
 	connCfg := config.MachineConnection{
-		SSH:        config.NewSSHDestination(opts.RemoteMachine.User, opts.RemoteMachine.Host, opts.RemoteMachine.Port),
 		SSHKeyFile: opts.RemoteMachine.KeyPath,
+		MachineID:  addResp.Machine.Id,
 	}
-	if contextName == "" {
+	if opts.RemoteMachine.UseSSHCLI {
-		contextName = cli.Config.CurrentContext
+		connCfg.SSHCLI = config.NewSSHDestination(
+			opts.RemoteMachine.User,
+			opts.RemoteMachine.Host,
+			opts.RemoteMachine.Port,
+		)
+	} else {
+		connCfg.SSH = config.NewSSHDestination(
+			opts.RemoteMachine.User,
+			opts.RemoteMachine.Host,
+			opts.RemoteMachine.Port,
+		)
 	}
 	cli.Config.Contexts[contextName].Connections = append(cli.Config.Contexts[contextName].Connections, connCfg)
 	if err = cli.Config.Save(); err != nil {
@@ -420,6 +479,35 @@ func (cli *CLI) AddMachine(ctx context.Context, opts AddMachineOptions) (*client
 func provisionOrConnectRemoteMachine(
 	ctx context.Context, remoteMachine *RemoteMachine, skipInstall bool, version string,
 ) (*client.Client, error) {
+	// Use SSH CLI
+	if remoteMachine.UseSSHCLI {
+		exec := sshexec.NewSSHCLIRemote(
+			remoteMachine.User,
+			remoteMachine.Host,
+			remoteMachine.Port,
+			remoteMachine.KeyPath,
+		)
+
+		if !skipInstall {
+			if err := provisionMachine(ctx, exec, version); err != nil {
+				return nil, fmt.Errorf("provision machine: %w", err)
+			}
+		}
+
+		sshConfig := &connector.SSHConnectorConfig{
+			User:    remoteMachine.User,
+			Host:    remoteMachine.Host,
+			Port:    remoteMachine.Port,
+			KeyPath: remoteMachine.KeyPath,
+		}
+		machineClient, err := client.New(ctx, connector.NewSSHCLIConnector(sshConfig))
+		if err != nil {
+			return nil, fmt.Errorf("connect to remote machine: %w", err)
+		}
+		return machineClient, nil
+	}
+
+	// Use Go SSH
 	sshClient, err := sshexec.Connect(remoteMachine.User, remoteMachine.Host, remoteMachine.Port, remoteMachine.KeyPath)
 	// If the SSH connection using SSH agent fails and no key path is provided, try to use the default SSH key.
 	if err != nil && remoteMachine.KeyPath == "" {

internal/cli/config/connection.go

@@ -22,9 +22,12 @@ type MachineConnection struct {
 	SSHKeyFile string         `yaml:"ssh_key_file,omitempty"`
 	// TCP is the address and port of the machine's API server.
 	// The pointer is used to omit the field when not set. Otherwise, yaml marshalling includes an empty object.
-	TCP       *netip.AddrPort `yaml:"tcp,omitempty"`
+	TCP *netip.AddrPort `yaml:"tcp,omitempty"`
-	Host      string          `yaml:"host,omitempty"`
+	// Unix is the path to the machine's API unix socket.
-	PublicKey secret.Secret   `yaml:"public_key,omitempty"`
+	Unix      string        `yaml:"unix,omitempty"`
+	Host      string        `yaml:"host,omitempty"`
+	PublicKey secret.Secret `yaml:"public_key,omitempty"`
+	MachineID string        `yaml:"machine_id,omitempty"`
 }
 
 func (c MachineConnection) String() string {
@@ -34,6 +37,8 @@ func (c MachineConnection) String() string {
 		return "ssh+cli://" + string(c.SSHCLI)
 	} else if c.TCP != nil && c.TCP.IsValid() {
 		return fmt.Sprintf("tcp://%s", c.TCP)
+	} else if c.Unix != "" {
+		return fmt.Sprintf("unix://%s", c.Unix)
 	}
 	return "unknown connection"
 }
@@ -49,12 +54,15 @@ func (c *MachineConnection) Validate() error {
 	if c.TCP != nil && c.TCP.IsValid() {
 		setCount++
 	}
+	if c.Unix != "" {
+		setCount++
+	}
 
 	if setCount == 0 {
-		return errors.New("no connection method specified (ssh, ssh_cli, or tcp required)")
+		return errors.New("no connection method specified (ssh, ssh_cli, tcp, or unix required)")
 	}
 	if setCount > 1 {
-		return errors.New("only one connection method allowed per connection (ssh, ssh_cli, or tcp)")
+		return errors.New("only one connection method allowed per connection (ssh, ssh_cli, tcp, or unix)")
 	}
 
 	return nil

internal/cli/config/connection_test.go

@@ -53,11 +53,27 @@ func TestMachineConnection_String(t *testing.T) {
 			},
 			want: "tcp://10.0.0.1:8080",
 		},
+		{
+			name: "unix connection",
+			conn: MachineConnection{
+				Unix: "/run/uncloud/uncloud.sock",
+			},
+			want: "unix:///run/uncloud/uncloud.sock",
+		},
 		{
 			name: "no connection",
 			conn: MachineConnection{},
 			want: "unknown connection",
 		},
+		{
+			name: "ssh connection with machine id",
+			conn: MachineConnection{
+				SSH:       "user@host.com",
+				MachineID: "ed98b9f7575308c340263cd279e3b568",
+			},
+			// String() does not use MachineID; just verifying entry with it is valid
+			want: "ssh://user@host.com",
+		},
 	}
 
 	for _, tt := range tests {
@@ -103,6 +119,13 @@ func TestMachineConnection_Validate(t *testing.T) {
 			},
 			wantErr: false,
 		},
+		{
+			name: "unix only - valid",
+			conn: MachineConnection{
+				Unix: "/path/to/socket",
+			},
+			wantErr: false,
+		},
 		{
 			name:    "no connection method - error",
 			conn:    MachineConnection{},
@@ -118,6 +141,15 @@ func TestMachineConnection_Validate(t *testing.T) {
 			wantErr: true,
 			errMsg:  "only one connection method allowed",
 		},
+		{
+			name: "ssh and unix - error",
+			conn: MachineConnection{
+				SSH:  "user@host",
+				Unix: "/path/to/socket",
+			},
+			wantErr: true,
+			errMsg:  "only one connection method allowed",
+		},
 		{
 			name: "ssh and tcp - error",
 			conn: MachineConnection{

internal/cli/config/context.go

@@ -4,3 +4,21 @@ type Context struct {
 	Name        string              `yaml:"-"`
 	Connections []MachineConnection `yaml:"connections"`
 }
+
+func (c *Context) SetDefaultConnection(index int) {
+	// Do nothing if the index is out of range.
+	if index < 0 || index >= len(c.Connections) {
+		return
+	}
+
+	selected := c.Connections[index]
+	newConnections := make([]MachineConnection, 0, len(c.Connections))
+	newConnections = append(newConnections, selected)
+
+	for i, conn := range c.Connections {
+		if i != index {
+			newConnections = append(newConnections, conn)
+		}
+	}
+	c.Connections = newConnections
+}

internal/cli/connect.go

@@ -73,6 +73,8 @@ func connectCluster(ctx context.Context, conn config.MachineConnection) (*client
 		useSSHCLI = true
 	} else if conn.TCP != nil && conn.TCP.IsValid() {
 		return client.New(ctx, connector.NewTCPConnector(*conn.TCP))
+	} else if conn.Unix != "" {
+		return client.New(ctx, connector.NewUnixConnector(conn.Unix))
 	} else {
 		return nil, errors.New("connection configuration is invalid")
 	}

internal/cli/machine.go

@@ -2,6 +2,7 @@ package cli
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"os"
 	"strings"
@@ -21,10 +22,11 @@ const (
 )
 
 type RemoteMachine struct {
-	User    string
+	User      string
-	Host    string
+	Host      string
-	Port    int
+	Port      int
-	KeyPath string
+	KeyPath   string
+	UseSSHCLI bool // indicates ssh+cli:// should be used
 }
 
 func installCmd(user string, version string) string {
@@ -85,7 +87,13 @@ func provisionMachine(ctx context.Context, exec sshexec.Executor, version string
 	return nil
 }
 
-func promptResetMachine(ctx context.Context, machineClient pb.MachineClient) error {
+func promptResetMachine() error {
+	if !IsStdinTerminal() {
+		return errors.New("the remote machine is already initialised as a cluster member; " +
+			"cannot ask to confirm reset in non-interactive mode, " +
+			"use --yes flag or set UNCLOUD_AUTO_CONFIRM=true to auto-confirm")
+	}
+
 	var confirm bool
 	form := huh.NewForm(
 		huh.NewGroup(
@@ -109,10 +117,15 @@ func promptResetMachine(ctx context.Context, machineClient pb.MachineClient) err
 		return fmt.Errorf("remote machine is already initialised as a cluster member")
 	}
 
+	return nil
+}
+
+func resetAndWaitMachine(ctx context.Context, machineClient pb.MachineClient) error {
 	if _, err := machineClient.Reset(ctx, &pb.ResetRequest{}); err != nil {
 		return fmt.Errorf("reset remote machine: %w. You can also manually run 'uncloud-uninstall' "+
 			"on the remote machine to fully uninstall Uncloud from it", err)
 	}
+
 	fmt.Println("Resetting the remote machine...")
 	if err := waitMachineReady(ctx, machineClient, 1*time.Minute); err != nil {
 		return fmt.Errorf("wait for machine to be ready after reset: %w", err)

internal/machine/api/pb/docker.proto

@@ -5,6 +5,7 @@ package api;
 option go_package = "github.com/psviderski/uncloud/internal/machine/api/pb";
 
 import "google/protobuf/empty.proto";
+import "google/protobuf/timestamp.proto";
 import "internal/machine/api/pb/common.proto";
 
 service Docker {
@@ -15,6 +16,9 @@ service Docker {
   rpc ListContainers(ListContainersRequest) returns (ListContainersResponse);
   rpc RemoveContainer(RemoveContainerRequest) returns (google.protobuf.Empty);
 
+  rpc ExecContainer(stream ExecContainerRequest) returns (stream ExecContainerResponse);
+  rpc ContainerLogs(ContainerLogsRequest) returns (stream ContainerLogEntry);
+
   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
@@ -30,8 +34,6 @@ service Docker {
   rpc InspectServiceContainer(InspectContainerRequest) returns (ServiceContainer);
   rpc ListServiceContainers(ListServiceContainersRequest) returns (ListServiceContainersResponse);
   rpc RemoveServiceContainer(RemoveContainerRequest) returns (google.protobuf.Empty);
-
-  rpc ExecContainer(stream ExecContainerRequest) returns (stream ExecContainerResponse);
 }
 
 message CreateContainerRequest {
@@ -94,6 +96,64 @@ message RemoveContainerRequest {
   bytes options = 2;
 }
 
+message ExecContainerRequest {
+  oneof payload {
+    // Initial configuration for the exec session. Must be sent as the first message.
+    ExecConfig config = 1;
+    // Raw stdin data to be written to the exec process.
+    bytes stdin = 2;
+    // TTY resize event (only used when TTY is enabled).
+    ResizeEvent resize = 3;
+  }
+}
+
+message ExecConfig {
+  // Container ID to execute the command in.
+  string container_id = 1;
+  // JSON serialised ExecOptions
+  bytes options = 2;
+}
+
+message ResizeEvent {
+  uint32 height = 1;
+  uint32 width = 2;
+}
+
+message ExecContainerResponse {
+  oneof payload {
+    // Exec instance ID returned after creating the exec.
+    string exec_id = 1;
+    // Raw stdout data from the exec process.
+    bytes stdout = 2;
+    // Raw stderr data from the exec process (only when TTY is disabled).
+    bytes stderr = 3;
+    // Exit code of the exec process. Sent as the final message.
+    int32 exit_code = 4;
+  }
+}
+
+message ContainerLogsRequest {
+  string container_id = 1;
+  // Options for logs retrieval.
+  bool follow = 2;
+  int32 tail = 3; // -1 means all
+  string since = 4; // https://www.rfc-editor.org/rfc/rfc3339.html timestamp or Go duration string
+  string until = 5; // https://www.rfc-editor.org/rfc/rfc3339.html timestamp or Go duration string
+}
+
+message ContainerLogEntry {
+  enum StreamType {
+    UNKNOWN = 0;
+    STDOUT = 1;
+    STDERR = 2;
+    HEARTBEAT = 3;
+  }
+  StreamType stream = 1;
+  google.protobuf.Timestamp timestamp = 2;
+  // Log line content. Empty for heartbeat entries.
+  bytes message = 3;
+}
+
 message PullImageRequest {
   string image = 1;
   // JSON serialised image.PullOptions.
@@ -216,39 +276,3 @@ message MachineServiceContainers {
   Metadata metadata = 1;
   repeated ServiceContainer containers = 2;
 }
-
-message ExecContainerRequest {
-  oneof payload {
-    // Initial configuration for the exec session. Must be sent as the first message.
-    ExecConfig config = 1;
-    // Raw stdin data to be written to the exec process.
-    bytes stdin = 2;
-    // TTY resize event (only used when TTY is enabled).
-    ResizeEvent resize = 3;
-  }
-}
-
-message ExecConfig {
-  // Container ID to execute the command in.
-  string container_id = 1;
-  // JSON serialised ExecOptions
-  bytes options = 2;
-}
-
-message ResizeEvent {
-  uint32 height = 1;
-  uint32 width = 2;
-}
-
-message ExecContainerResponse {
-  oneof payload {
-    // Exec instance ID returned after creating the exec.
-    string exec_id = 1;
-    // Raw stdout data from the exec process.
-    bytes stdout = 2;
-    // Raw stderr data from the exec process (only when TTY is disabled).
-    bytes stderr = 3;
-    // Exit code of the exec process. Sent as the final message.
-    int32 exit_code = 4;
-  }
-}

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

@@ -26,6 +26,8 @@ const (
 	Docker_StopContainer_FullMethodName           = "/api.Docker/StopContainer"
 	Docker_ListContainers_FullMethodName          = "/api.Docker/ListContainers"
 	Docker_RemoveContainer_FullMethodName         = "/api.Docker/RemoveContainer"
+	Docker_ExecContainer_FullMethodName           = "/api.Docker/ExecContainer"
+	Docker_ContainerLogs_FullMethodName           = "/api.Docker/ContainerLogs"
 	Docker_PullImage_FullMethodName               = "/api.Docker/PullImage"
 	Docker_InspectImage_FullMethodName            = "/api.Docker/InspectImage"
 	Docker_InspectRemoteImage_FullMethodName      = "/api.Docker/InspectRemoteImage"
@@ -37,7 +39,6 @@ const (
 	Docker_InspectServiceContainer_FullMethodName = "/api.Docker/InspectServiceContainer"
 	Docker_ListServiceContainers_FullMethodName   = "/api.Docker/ListServiceContainers"
 	Docker_RemoveServiceContainer_FullMethodName  = "/api.Docker/RemoveServiceContainer"
-	Docker_ExecContainer_FullMethodName           = "/api.Docker/ExecContainer"
 )
 
 // DockerClient is the client API for Docker service.
@@ -50,6 +51,8 @@ type DockerClient interface {
 	StopContainer(ctx context.Context, in *StopContainerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	ListContainers(ctx context.Context, in *ListContainersRequest, opts ...grpc.CallOption) (*ListContainersResponse, error)
 	RemoveContainer(ctx context.Context, in *RemoveContainerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	ExecContainer(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[ExecContainerRequest, ExecContainerResponse], error)
+	ContainerLogs(ctx context.Context, in *ContainerLogsRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[ContainerLogEntry], 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
@@ -63,7 +66,6 @@ type DockerClient interface {
 	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)
-	ExecContainer(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[ExecContainerRequest, ExecContainerResponse], error)
 }
 
 type dockerClient struct {
@@ -134,9 +136,41 @@ func (c *dockerClient) RemoveContainer(ctx context.Context, in *RemoveContainerR
 	return out, nil
 }
 
+func (c *dockerClient) ExecContainer(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[ExecContainerRequest, ExecContainerResponse], error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	stream, err := c.cc.NewStream(ctx, &Docker_ServiceDesc.Streams[0], Docker_ExecContainer_FullMethodName, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &grpc.GenericClientStream[ExecContainerRequest, ExecContainerResponse]{ClientStream: stream}
+	return x, nil
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type Docker_ExecContainerClient = grpc.BidiStreamingClient[ExecContainerRequest, ExecContainerResponse]
+
+func (c *dockerClient) ContainerLogs(ctx context.Context, in *ContainerLogsRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[ContainerLogEntry], error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	stream, err := c.cc.NewStream(ctx, &Docker_ServiceDesc.Streams[1], Docker_ContainerLogs_FullMethodName, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &grpc.GenericClientStream[ContainerLogsRequest, ContainerLogEntry]{ClientStream: stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type Docker_ContainerLogsClient = grpc.ServerStreamingClient[ContainerLogEntry]
+
 func (c *dockerClient) PullImage(ctx context.Context, in *PullImageRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[JSONMessage], error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	stream, err := c.cc.NewStream(ctx, &Docker_ServiceDesc.Streams[0], Docker_PullImage_FullMethodName, cOpts...)
+	stream, err := c.cc.NewStream(ctx, &Docker_ServiceDesc.Streams[2], Docker_PullImage_FullMethodName, cOpts...)
 	if err != nil {
 		return nil, err
 	}
@@ -253,19 +287,6 @@ func (c *dockerClient) RemoveServiceContainer(ctx context.Context, in *RemoveCon
 	return out, nil
 }
 
-func (c *dockerClient) ExecContainer(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[ExecContainerRequest, ExecContainerResponse], error) {
-	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	stream, err := c.cc.NewStream(ctx, &Docker_ServiceDesc.Streams[1], Docker_ExecContainer_FullMethodName, cOpts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &grpc.GenericClientStream[ExecContainerRequest, ExecContainerResponse]{ClientStream: stream}
-	return x, nil
-}
-
-// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
-type Docker_ExecContainerClient = grpc.BidiStreamingClient[ExecContainerRequest, ExecContainerResponse]
-
 // DockerServer is the server API for Docker service.
 // All implementations must embed UnimplementedDockerServer
 // for forward compatibility.
@@ -276,6 +297,8 @@ type DockerServer interface {
 	StopContainer(context.Context, *StopContainerRequest) (*emptypb.Empty, error)
 	ListContainers(context.Context, *ListContainersRequest) (*ListContainersResponse, error)
 	RemoveContainer(context.Context, *RemoveContainerRequest) (*emptypb.Empty, error)
+	ExecContainer(grpc.BidiStreamingServer[ExecContainerRequest, ExecContainerResponse]) error
+	ContainerLogs(*ContainerLogsRequest, grpc.ServerStreamingServer[ContainerLogEntry]) 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
@@ -289,7 +312,6 @@ type DockerServer interface {
 	InspectServiceContainer(context.Context, *InspectContainerRequest) (*ServiceContainer, error)
 	ListServiceContainers(context.Context, *ListServiceContainersRequest) (*ListServiceContainersResponse, error)
 	RemoveServiceContainer(context.Context, *RemoveContainerRequest) (*emptypb.Empty, error)
-	ExecContainer(grpc.BidiStreamingServer[ExecContainerRequest, ExecContainerResponse]) error
 	mustEmbedUnimplementedDockerServer()
 }
 
@@ -318,6 +340,12 @@ func (UnimplementedDockerServer) ListContainers(context.Context, *ListContainers
 func (UnimplementedDockerServer) RemoveContainer(context.Context, *RemoveContainerRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method RemoveContainer not implemented")
 }
+func (UnimplementedDockerServer) ExecContainer(grpc.BidiStreamingServer[ExecContainerRequest, ExecContainerResponse]) error {
+	return status.Errorf(codes.Unimplemented, "method ExecContainer not implemented")
+}
+func (UnimplementedDockerServer) ContainerLogs(*ContainerLogsRequest, grpc.ServerStreamingServer[ContainerLogEntry]) error {
+	return status.Errorf(codes.Unimplemented, "method ContainerLogs not implemented")
+}
 func (UnimplementedDockerServer) PullImage(*PullImageRequest, grpc.ServerStreamingServer[JSONMessage]) error {
 	return status.Errorf(codes.Unimplemented, "method PullImage not implemented")
 }
@@ -351,9 +379,6 @@ func (UnimplementedDockerServer) ListServiceContainers(context.Context, *ListSer
 func (UnimplementedDockerServer) RemoveServiceContainer(context.Context, *RemoveContainerRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method RemoveServiceContainer not implemented")
 }
-func (UnimplementedDockerServer) ExecContainer(grpc.BidiStreamingServer[ExecContainerRequest, ExecContainerResponse]) error {
-	return status.Errorf(codes.Unimplemented, "method ExecContainer not implemented")
-}
 func (UnimplementedDockerServer) mustEmbedUnimplementedDockerServer() {}
 func (UnimplementedDockerServer) testEmbeddedByValue()                {}
 
@@ -483,6 +508,24 @@ func _Docker_RemoveContainer_Handler(srv interface{}, ctx context.Context, dec f
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Docker_ExecContainer_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(DockerServer).ExecContainer(&grpc.GenericServerStream[ExecContainerRequest, ExecContainerResponse]{ServerStream: stream})
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type Docker_ExecContainerServer = grpc.BidiStreamingServer[ExecContainerRequest, ExecContainerResponse]
+
+func _Docker_ContainerLogs_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(ContainerLogsRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(DockerServer).ContainerLogs(m, &grpc.GenericServerStream[ContainerLogsRequest, ContainerLogEntry]{ServerStream: stream})
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type Docker_ContainerLogsServer = grpc.ServerStreamingServer[ContainerLogEntry]
+
 func _Docker_PullImage_Handler(srv interface{}, stream grpc.ServerStream) error {
 	m := new(PullImageRequest)
 	if err := stream.RecvMsg(m); err != nil {
@@ -674,13 +717,6 @@ func _Docker_RemoveServiceContainer_Handler(srv interface{}, ctx context.Context
 	return interceptor(ctx, in, info, handler)
 }
 
-func _Docker_ExecContainer_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(DockerServer).ExecContainer(&grpc.GenericServerStream[ExecContainerRequest, ExecContainerResponse]{ServerStream: stream})
-}
-
-// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
-type Docker_ExecContainerServer = grpc.BidiStreamingServer[ExecContainerRequest, ExecContainerResponse]
-
 // 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)
@@ -754,17 +790,22 @@ var Docker_ServiceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams: []grpc.StreamDesc{
-		{
-			StreamName:    "PullImage",
-			Handler:       _Docker_PullImage_Handler,
-			ServerStreams: true,
-		},
 		{
 			StreamName:    "ExecContainer",
 			Handler:       _Docker_ExecContainer_Handler,
 			ServerStreams: true,
 			ClientStreams: true,
 		},
+		{
+			StreamName:    "ContainerLogs",
+			Handler:       _Docker_ContainerLogs_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "PullImage",
+			Handler:       _Docker_PullImage_Handler,
+			ServerStreams: true,
+		},
 	},
 	Metadata: "internal/machine/api/pb/docker.proto",
 }

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

@@ -10,6 +10,7 @@ import (
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
 	reflect "reflect"
 	sync "sync"
 )
@@ -371,6 +372,8 @@ type JoinClusterRequest struct {
 
 	Machine       *MachineInfo   `protobuf:"bytes,1,opt,name=machine,proto3" json:"machine,omitempty"`
 	OtherMachines []*MachineInfo `protobuf:"bytes,3,rep,name=other_machines,json=otherMachines,proto3" json:"other_machines,omitempty"`
+	// Minimum store database version the new machine should sync to before starting cluster operations.
+	MinStoreDbVersion int64 `protobuf:"varint,4,opt,name=min_store_db_version,json=minStoreDbVersion,proto3" json:"min_store_db_version,omitempty"`
 }
 
 func (x *JoinClusterRequest) Reset() {
@@ -419,6 +422,125 @@ func (x *JoinClusterRequest) GetOtherMachines() []*MachineInfo {
 	return nil
 }
 
+func (x *JoinClusterRequest) GetMinStoreDbVersion() int64 {
+	if x != nil {
+		return x.MinStoreDbVersion
+	}
+	return 0
+}
+
+type InspectMachineResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Must contain only one repeated messages field to allow broadcasting InspectMachine requests to multiple machines.
+	Machines []*MachineDetails `protobuf:"bytes,1,rep,name=machines,proto3" json:"machines,omitempty"`
+}
+
+func (x *InspectMachineResponse) Reset() {
+	*x = InspectMachineResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *InspectMachineResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*InspectMachineResponse) ProtoMessage() {}
+
+func (x *InspectMachineResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_internal_machine_api_pb_machine_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 InspectMachineResponse.ProtoReflect.Descriptor instead.
+func (*InspectMachineResponse) Descriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *InspectMachineResponse) GetMachines() []*MachineDetails {
+	if x != nil {
+		return x.Machines
+	}
+	return nil
+}
+
+type MachineDetails struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Metadata *Metadata    `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
+	Machine  *MachineInfo `protobuf:"bytes,2,opt,name=machine,proto3" json:"machine,omitempty"`
+	// Current Corrosion cr-sqlite database version (Lamport timestamp) of the cluster store.
+	StoreDbVersion int64 `protobuf:"varint,3,opt,name=store_db_version,json=storeDbVersion,proto3" json:"store_db_version,omitempty"`
+}
+
+func (x *MachineDetails) Reset() {
+	*x = MachineDetails{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MachineDetails) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MachineDetails) ProtoMessage() {}
+
+func (x *MachineDetails) ProtoReflect() protoreflect.Message {
+	mi := &file_internal_machine_api_pb_machine_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 MachineDetails.ProtoReflect.Descriptor instead.
+func (*MachineDetails) Descriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *MachineDetails) GetMetadata() *Metadata {
+	if x != nil {
+		return x.Metadata
+	}
+	return nil
+}
+
+func (x *MachineDetails) GetMachine() *MachineInfo {
+	if x != nil {
+		return x.Machine
+	}
+	return nil
+}
+
+func (x *MachineDetails) GetStoreDbVersion() int64 {
+	if x != nil {
+		return x.StoreDbVersion
+	}
+	return 0
+}
+
 type TokenResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -430,7 +552,7 @@ type TokenResponse struct {
 func (x *TokenResponse) Reset() {
 	*x = TokenResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[6]
+		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -443,7 +565,7 @@ func (x *TokenResponse) String() string {
 func (*TokenResponse) ProtoMessage() {}
 
 func (x *TokenResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[6]
+	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -456,7 +578,7 @@ func (x *TokenResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use TokenResponse.ProtoReflect.Descriptor instead.
 func (*TokenResponse) Descriptor() ([]byte, []int) {
-	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{6}
+	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *TokenResponse) GetToken() string {
@@ -475,7 +597,7 @@ type ResetRequest struct {
 func (x *ResetRequest) Reset() {
 	*x = ResetRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[7]
+		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -488,7 +610,7 @@ func (x *ResetRequest) String() string {
 func (*ResetRequest) ProtoMessage() {}
 
 func (x *ResetRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[7]
+	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -501,7 +623,7 @@ func (x *ResetRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ResetRequest.ProtoReflect.Descriptor instead.
 func (*ResetRequest) Descriptor() ([]byte, []int) {
-	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{7}
+	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{9}
 }
 
 type Service struct {
@@ -518,7 +640,7 @@ type Service struct {
 func (x *Service) Reset() {
 	*x = Service{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[8]
+		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -531,7 +653,7 @@ func (x *Service) String() string {
 func (*Service) ProtoMessage() {}
 
 func (x *Service) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[8]
+	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -544,7 +666,7 @@ func (x *Service) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Service.ProtoReflect.Descriptor instead.
 func (*Service) Descriptor() ([]byte, []int) {
-	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{8}
+	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *Service) GetId() string {
@@ -586,7 +708,7 @@ type InspectServiceRequest struct {
 func (x *InspectServiceRequest) Reset() {
 	*x = InspectServiceRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[9]
+		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -599,7 +721,7 @@ func (x *InspectServiceRequest) String() string {
 func (*InspectServiceRequest) ProtoMessage() {}
 
 func (x *InspectServiceRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[9]
+	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -612,7 +734,7 @@ func (x *InspectServiceRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use InspectServiceRequest.ProtoReflect.Descriptor instead.
 func (*InspectServiceRequest) Descriptor() ([]byte, []int) {
-	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{9}
+	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{11}
 }
 
 func (x *InspectServiceRequest) GetId() string {
@@ -633,7 +755,7 @@ type InspectServiceResponse struct {
 func (x *InspectServiceResponse) Reset() {
 	*x = InspectServiceResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[10]
+		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -646,7 +768,7 @@ func (x *InspectServiceResponse) String() string {
 func (*InspectServiceResponse) ProtoMessage() {}
 
 func (x *InspectServiceResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[10]
+	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -659,7 +781,7 @@ func (x *InspectServiceResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use InspectServiceResponse.ProtoReflect.Descriptor instead.
 func (*InspectServiceResponse) Descriptor() ([]byte, []int) {
-	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{10}
+	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *InspectServiceResponse) GetService() *Service {
@@ -669,6 +791,164 @@ func (x *InspectServiceResponse) GetService() *Service {
 	return nil
 }
 
+type InspectWireGuardNetworkResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	InterfaceName string           `protobuf:"bytes,1,opt,name=interface_name,json=interfaceName,proto3" json:"interface_name,omitempty"`
+	PublicKey     []byte           `protobuf:"bytes,2,opt,name=public_key,json=publicKey,proto3" json:"public_key,omitempty"`
+	ListenPort    int32            `protobuf:"varint,3,opt,name=listen_port,json=listenPort,proto3" json:"listen_port,omitempty"`
+	Peers         []*WireGuardPeer `protobuf:"bytes,4,rep,name=peers,proto3" json:"peers,omitempty"`
+}
+
+func (x *InspectWireGuardNetworkResponse) Reset() {
+	*x = InspectWireGuardNetworkResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *InspectWireGuardNetworkResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*InspectWireGuardNetworkResponse) ProtoMessage() {}
+
+func (x *InspectWireGuardNetworkResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[13]
+	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 InspectWireGuardNetworkResponse.ProtoReflect.Descriptor instead.
+func (*InspectWireGuardNetworkResponse) Descriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{13}
+}
+
+func (x *InspectWireGuardNetworkResponse) GetInterfaceName() string {
+	if x != nil {
+		return x.InterfaceName
+	}
+	return ""
+}
+
+func (x *InspectWireGuardNetworkResponse) GetPublicKey() []byte {
+	if x != nil {
+		return x.PublicKey
+	}
+	return nil
+}
+
+func (x *InspectWireGuardNetworkResponse) GetListenPort() int32 {
+	if x != nil {
+		return x.ListenPort
+	}
+	return 0
+}
+
+func (x *InspectWireGuardNetworkResponse) GetPeers() []*WireGuardPeer {
+	if x != nil {
+		return x.Peers
+	}
+	return nil
+}
+
+type WireGuardPeer struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	PublicKey         []byte                 `protobuf:"bytes,1,opt,name=public_key,json=publicKey,proto3" json:"public_key,omitempty"`
+	Endpoint          string                 `protobuf:"bytes,2,opt,name=endpoint,proto3" json:"endpoint,omitempty"`
+	LastHandshakeTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=last_handshake_time,json=lastHandshakeTime,proto3" json:"last_handshake_time,omitempty"`
+	ReceiveBytes      int64                  `protobuf:"varint,4,opt,name=receive_bytes,json=receiveBytes,proto3" json:"receive_bytes,omitempty"`
+	TransmitBytes     int64                  `protobuf:"varint,5,opt,name=transmit_bytes,json=transmitBytes,proto3" json:"transmit_bytes,omitempty"`
+	AllowedIps        []string               `protobuf:"bytes,6,rep,name=allowed_ips,json=allowedIps,proto3" json:"allowed_ips,omitempty"`
+}
+
+func (x *WireGuardPeer) Reset() {
+	*x = WireGuardPeer{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *WireGuardPeer) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*WireGuardPeer) ProtoMessage() {}
+
+func (x *WireGuardPeer) ProtoReflect() protoreflect.Message {
+	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[14]
+	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 WireGuardPeer.ProtoReflect.Descriptor instead.
+func (*WireGuardPeer) Descriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{14}
+}
+
+func (x *WireGuardPeer) GetPublicKey() []byte {
+	if x != nil {
+		return x.PublicKey
+	}
+	return nil
+}
+
+func (x *WireGuardPeer) GetEndpoint() string {
+	if x != nil {
+		return x.Endpoint
+	}
+	return ""
+}
+
+func (x *WireGuardPeer) GetLastHandshakeTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.LastHandshakeTime
+	}
+	return nil
+}
+
+func (x *WireGuardPeer) GetReceiveBytes() int64 {
+	if x != nil {
+		return x.ReceiveBytes
+	}
+	return 0
+}
+
+func (x *WireGuardPeer) GetTransmitBytes() int64 {
+	if x != nil {
+		return x.TransmitBytes
+	}
+	return 0
+}
+
+func (x *WireGuardPeer) GetAllowedIps() []string {
+	if x != nil {
+		return x.AllowedIps
+	}
+	return nil
+}
+
 type Service_Container struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -682,7 +962,7 @@ type Service_Container struct {
 func (x *Service_Container) Reset() {
 	*x = Service_Container{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[11]
+		mi := &file_internal_machine_api_pb_machine_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -695,7 +975,7 @@ func (x *Service_Container) String() string {
 func (*Service_Container) ProtoMessage() {}
 
 func (x *Service_Container) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[11]
+	mi := &file_internal_machine_api_pb_machine_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -708,7 +988,7 @@ func (x *Service_Container) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Service_Container.ProtoReflect.Descriptor instead.
 func (*Service_Container) Descriptor() ([]byte, []int) {
-	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{8, 0}
+	return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{10, 0}
 }
 
 func (x *Service_Container) GetMachineId() string {
@@ -732,113 +1012,170 @@ var file_internal_machine_api_pb_machine_proto_rawDesc = []byte{
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 }
 
 var (
@@ -853,57 +1190,72 @@ func file_internal_machine_api_pb_machine_proto_rawDescGZIP() []byte {
 	return file_internal_machine_api_pb_machine_proto_rawDescData
 }
 
-var file_internal_machine_api_pb_machine_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
+var file_internal_machine_api_pb_machine_proto_msgTypes = make([]protoimpl.MessageInfo, 16)
 var file_internal_machine_api_pb_machine_proto_goTypes = []any{
-	(*MachineInfo)(nil),                // 0: api.MachineInfo
+	(*MachineInfo)(nil),                     // 0: api.MachineInfo
-	(*NetworkConfig)(nil),              // 1: api.NetworkConfig
+	(*NetworkConfig)(nil),                   // 1: api.NetworkConfig
-	(*CheckPrerequisitesResponse)(nil), // 2: api.CheckPrerequisitesResponse
+	(*CheckPrerequisitesResponse)(nil),      // 2: api.CheckPrerequisitesResponse
-	(*InitClusterRequest)(nil),         // 3: api.InitClusterRequest
+	(*InitClusterRequest)(nil),              // 3: api.InitClusterRequest
-	(*InitClusterResponse)(nil),        // 4: api.InitClusterResponse
+	(*InitClusterResponse)(nil),             // 4: api.InitClusterResponse
-	(*JoinClusterRequest)(nil),         // 5: api.JoinClusterRequest
+	(*JoinClusterRequest)(nil),              // 5: api.JoinClusterRequest
-	(*TokenResponse)(nil),              // 6: api.TokenResponse
+	(*InspectMachineResponse)(nil),          // 6: api.InspectMachineResponse
-	(*ResetRequest)(nil),               // 7: api.ResetRequest
+	(*MachineDetails)(nil),                  // 7: api.MachineDetails
-	(*Service)(nil),                    // 8: api.Service
+	(*TokenResponse)(nil),                   // 8: api.TokenResponse
-	(*InspectServiceRequest)(nil),      // 9: api.InspectServiceRequest
+	(*ResetRequest)(nil),                    // 9: api.ResetRequest
-	(*InspectServiceResponse)(nil),     // 10: api.InspectServiceResponse
+	(*Service)(nil),                         // 10: api.Service
-	(*Service_Container)(nil),          // 11: api.Service.Container
+	(*InspectServiceRequest)(nil),           // 11: api.InspectServiceRequest
-	(*IP)(nil),                         // 12: api.IP
+	(*InspectServiceResponse)(nil),          // 12: api.InspectServiceResponse
-	(*IPPrefix)(nil),                   // 13: api.IPPrefix
+	(*InspectWireGuardNetworkResponse)(nil), // 13: api.InspectWireGuardNetworkResponse
-	(*IPPort)(nil),                     // 14: api.IPPort
+	(*WireGuardPeer)(nil),                   // 14: api.WireGuardPeer
-	(*emptypb.Empty)(nil),              // 15: google.protobuf.Empty
+	(*Service_Container)(nil),               // 15: api.Service.Container
+	(*IP)(nil),                              // 16: api.IP
+	(*IPPrefix)(nil),                        // 17: api.IPPrefix
+	(*IPPort)(nil),                          // 18: api.IPPort
+	(*Metadata)(nil),                        // 19: api.Metadata
+	(*timestamppb.Timestamp)(nil),           // 20: google.protobuf.Timestamp
+	(*emptypb.Empty)(nil),                   // 21: google.protobuf.Empty
 }
 var file_internal_machine_api_pb_machine_proto_depIdxs = []int32{
 	1,  // 0: api.MachineInfo.network:type_name -> api.NetworkConfig
-	12, // 1: api.MachineInfo.public_ip:type_name -> api.IP
+	16, // 1: api.MachineInfo.public_ip:type_name -> api.IP
-	13, // 2: api.NetworkConfig.subnet:type_name -> api.IPPrefix
+	17, // 2: api.NetworkConfig.subnet:type_name -> api.IPPrefix
-	12, // 3: api.NetworkConfig.management_ip:type_name -> api.IP
+	16, // 3: api.NetworkConfig.management_ip:type_name -> api.IP
-	14, // 4: api.NetworkConfig.endpoints:type_name -> api.IPPort
+	18, // 4: api.NetworkConfig.endpoints:type_name -> api.IPPort
-	13, // 5: api.InitClusterRequest.network:type_name -> api.IPPrefix
+	17, // 5: api.InitClusterRequest.network:type_name -> api.IPPrefix
-	12, // 6: api.InitClusterRequest.public_ip:type_name -> api.IP
+	16, // 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
-	11, // 10: api.Service.containers:type_name -> api.Service.Container
+	7,  // 10: api.InspectMachineResponse.machines:type_name -> api.MachineDetails
-	8,  // 11: api.InspectServiceResponse.service:type_name -> api.Service
+	19, // 11: api.MachineDetails.metadata:type_name -> api.Metadata
-	15, // 12: api.Machine.CheckPrerequisites:input_type -> google.protobuf.Empty
+	0,  // 12: api.MachineDetails.machine:type_name -> api.MachineInfo
-	3,  // 13: api.Machine.InitCluster:input_type -> api.InitClusterRequest
+	15, // 13: api.Service.containers:type_name -> api.Service.Container
-	5,  // 14: api.Machine.JoinCluster:input_type -> api.JoinClusterRequest
+	10, // 14: api.InspectServiceResponse.service:type_name -> api.Service
-	15, // 15: api.Machine.Token:input_type -> google.protobuf.Empty
+	14, // 15: api.InspectWireGuardNetworkResponse.peers:type_name -> api.WireGuardPeer
-	15, // 16: api.Machine.Inspect:input_type -> google.protobuf.Empty
+	20, // 16: api.WireGuardPeer.last_handshake_time:type_name -> google.protobuf.Timestamp
-	7,  // 17: api.Machine.Reset:input_type -> api.ResetRequest
+	21, // 17: api.Machine.CheckPrerequisites:input_type -> google.protobuf.Empty
-	9,  // 18: api.Machine.InspectService:input_type -> api.InspectServiceRequest
+	3,  // 18: api.Machine.InitCluster:input_type -> api.InitClusterRequest
-	2,  // 19: api.Machine.CheckPrerequisites:output_type -> api.CheckPrerequisitesResponse
+	5,  // 19: api.Machine.JoinCluster:input_type -> api.JoinClusterRequest
-	4,  // 20: api.Machine.InitCluster:output_type -> api.InitClusterResponse
+	21, // 20: api.Machine.Token:input_type -> google.protobuf.Empty
-	15, // 21: api.Machine.JoinCluster:output_type -> google.protobuf.Empty
+	21, // 21: api.Machine.Inspect:input_type -> google.protobuf.Empty
-	6,  // 22: api.Machine.Token:output_type -> api.TokenResponse
+	21, // 22: api.Machine.InspectMachine:input_type -> google.protobuf.Empty
-	0,  // 23: api.Machine.Inspect:output_type -> api.MachineInfo
+	21, // 23: api.Machine.InspectWireGuardNetwork:input_type -> google.protobuf.Empty
-	15, // 24: api.Machine.Reset:output_type -> google.protobuf.Empty
+	9,  // 24: api.Machine.Reset:input_type -> api.ResetRequest
-	10, // 25: api.Machine.InspectService:output_type -> api.InspectServiceResponse
+	11, // 25: api.Machine.InspectService:input_type -> api.InspectServiceRequest
-	19, // [19:26] is the sub-list for method output_type
+	2,  // 26: api.Machine.CheckPrerequisites:output_type -> api.CheckPrerequisitesResponse
-	12, // [12:19] is the sub-list for method input_type
+	4,  // 27: api.Machine.InitCluster:output_type -> api.InitClusterResponse
-	12, // [12:12] is the sub-list for extension type_name
+	21, // 28: api.Machine.JoinCluster:output_type -> google.protobuf.Empty
-	12, // [12:12] is the sub-list for extension extendee
+	8,  // 29: api.Machine.Token:output_type -> api.TokenResponse
-	0,  // [0:12] is the sub-list for field type_name
+	0,  // 30: api.Machine.Inspect:output_type -> api.MachineInfo
+	6,  // 31: api.Machine.InspectMachine:output_type -> api.InspectMachineResponse
+	13, // 32: api.Machine.InspectWireGuardNetwork:output_type -> api.InspectWireGuardNetworkResponse
+	21, // 33: api.Machine.Reset:output_type -> google.protobuf.Empty
+	12, // 34: api.Machine.InspectService:output_type -> api.InspectServiceResponse
+	26, // [26:35] is the sub-list for method output_type
+	17, // [17:26] is the sub-list for method input_type
+	17, // [17:17] is the sub-list for extension type_name
+	17, // [17:17] is the sub-list for extension extendee
+	0,  // [0:17] is the sub-list for field type_name
 }
 
 func init() { file_internal_machine_api_pb_machine_proto_init() }
@@ -986,7 +1338,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
 			}
 		}
 		file_internal_machine_api_pb_machine_proto_msgTypes[6].Exporter = func(v any, i int) any {
-			switch v := v.(*TokenResponse); i {
+			switch v := v.(*InspectMachineResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -998,7 +1350,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
 			}
 		}
 		file_internal_machine_api_pb_machine_proto_msgTypes[7].Exporter = func(v any, i int) any {
-			switch v := v.(*ResetRequest); i {
+			switch v := v.(*MachineDetails); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1010,7 +1362,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
 			}
 		}
 		file_internal_machine_api_pb_machine_proto_msgTypes[8].Exporter = func(v any, i int) any {
-			switch v := v.(*Service); i {
+			switch v := v.(*TokenResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1022,7 +1374,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
 			}
 		}
 		file_internal_machine_api_pb_machine_proto_msgTypes[9].Exporter = func(v any, i int) any {
-			switch v := v.(*InspectServiceRequest); i {
+			switch v := v.(*ResetRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1034,7 +1386,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
 			}
 		}
 		file_internal_machine_api_pb_machine_proto_msgTypes[10].Exporter = func(v any, i int) any {
-			switch v := v.(*InspectServiceResponse); i {
+			switch v := v.(*Service); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1046,6 +1398,54 @@ func file_internal_machine_api_pb_machine_proto_init() {
 			}
 		}
 		file_internal_machine_api_pb_machine_proto_msgTypes[11].Exporter = func(v any, i int) any {
+			switch v := v.(*InspectServiceRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_internal_machine_api_pb_machine_proto_msgTypes[12].Exporter = func(v any, i int) any {
+			switch v := v.(*InspectServiceResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_internal_machine_api_pb_machine_proto_msgTypes[13].Exporter = func(v any, i int) any {
+			switch v := v.(*InspectWireGuardNetworkResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_internal_machine_api_pb_machine_proto_msgTypes[14].Exporter = func(v any, i int) any {
+			switch v := v.(*WireGuardPeer); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_internal_machine_api_pb_machine_proto_msgTypes[15].Exporter = func(v any, i int) any {
 			switch v := v.(*Service_Container); i {
 			case 0:
 				return &v.state
@@ -1068,7 +1468,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_internal_machine_api_pb_machine_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   12,
+			NumMessages:   16,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

internal/machine/api/pb/machine.proto

@@ -5,6 +5,7 @@ package api;
 option go_package = "github.com/psviderski/uncloud/internal/machine/api/pb";
 
 import "google/protobuf/empty.proto";
+import "google/protobuf/timestamp.proto";
 import "internal/machine/api/pb/common.proto";
 
 service Machine {
@@ -13,7 +14,12 @@ service Machine {
   rpc InitCluster(InitClusterRequest) returns (InitClusterResponse);
   rpc JoinCluster(JoinClusterRequest) returns (google.protobuf.Empty);
   rpc Token(google.protobuf.Empty) returns (TokenResponse);
+  // Deprecated: use InspectMachine instead.
   rpc Inspect(google.protobuf.Empty) returns (MachineInfo);
+  // InspectMachine retrieves detailed information about the machine. Supports broadcasting to multiple machines.
+  rpc InspectMachine(google.protobuf.Empty) returns (InspectMachineResponse);
+  // InspectWireGuardNetwork retrieves the current WireGuard network configuration and peer status.
+  rpc InspectWireGuardNetwork(google.protobuf.Empty) returns (InspectWireGuardNetworkResponse);
   // Reset restores the machine to a clean state, removing all cluster-related configuration and data.
   rpc Reset(ResetRequest) returns (google.protobuf.Empty);
 
@@ -58,6 +64,20 @@ message InitClusterResponse {
 message JoinClusterRequest {
   MachineInfo machine = 1;
   repeated MachineInfo other_machines = 3;
+  // Minimum store database version the new machine should sync to before starting cluster operations.
+  int64 min_store_db_version = 4;
+}
+
+message InspectMachineResponse {
+  // Must contain only one repeated messages field to allow broadcasting InspectMachine requests to multiple machines.
+  repeated MachineDetails machines = 1;
+}
+
+message MachineDetails {
+  Metadata metadata = 1;
+  MachineInfo machine = 2;
+  // Current Corrosion cr-sqlite database version (Lamport timestamp) of the cluster store.
+  int64 store_db_version = 3;
 }
 
 message TokenResponse {
@@ -88,3 +108,19 @@ message InspectServiceRequest {
 message InspectServiceResponse {
   Service service = 1;
 }
+
+message InspectWireGuardNetworkResponse {
+  string interface_name = 1;
+  bytes public_key = 2;
+  int32 listen_port = 3;
+  repeated WireGuardPeer peers = 4;
+}
+
+message WireGuardPeer {
+  bytes public_key = 1;
+  string endpoint = 2;
+  google.protobuf.Timestamp last_handshake_time = 3;
+  int64 receive_bytes = 4;
+  int64 transmit_bytes = 5;
+  repeated string allowed_ips = 6;
+}

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

@@ -20,13 +20,15 @@ import (
 const _ = grpc.SupportPackageIsVersion9
 
 const (
-	Machine_CheckPrerequisites_FullMethodName = "/api.Machine/CheckPrerequisites"
+	Machine_CheckPrerequisites_FullMethodName      = "/api.Machine/CheckPrerequisites"
-	Machine_InitCluster_FullMethodName        = "/api.Machine/InitCluster"
+	Machine_InitCluster_FullMethodName             = "/api.Machine/InitCluster"
-	Machine_JoinCluster_FullMethodName        = "/api.Machine/JoinCluster"
+	Machine_JoinCluster_FullMethodName             = "/api.Machine/JoinCluster"
-	Machine_Token_FullMethodName              = "/api.Machine/Token"
+	Machine_Token_FullMethodName                   = "/api.Machine/Token"
-	Machine_Inspect_FullMethodName            = "/api.Machine/Inspect"
+	Machine_Inspect_FullMethodName                 = "/api.Machine/Inspect"
-	Machine_Reset_FullMethodName              = "/api.Machine/Reset"
+	Machine_InspectMachine_FullMethodName          = "/api.Machine/InspectMachine"
-	Machine_InspectService_FullMethodName     = "/api.Machine/InspectService"
+	Machine_InspectWireGuardNetwork_FullMethodName = "/api.Machine/InspectWireGuardNetwork"
+	Machine_Reset_FullMethodName                   = "/api.Machine/Reset"
+	Machine_InspectService_FullMethodName          = "/api.Machine/InspectService"
 )
 
 // MachineClient is the client API for Machine service.
@@ -38,7 +40,12 @@ type MachineClient interface {
 	InitCluster(ctx context.Context, in *InitClusterRequest, opts ...grpc.CallOption) (*InitClusterResponse, error)
 	JoinCluster(ctx context.Context, in *JoinClusterRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	Token(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*TokenResponse, error)
+	// Deprecated: use InspectMachine instead.
 	Inspect(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*MachineInfo, error)
+	// InspectMachine retrieves detailed information about the machine. Supports broadcasting to multiple machines.
+	InspectMachine(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*InspectMachineResponse, error)
+	// InspectWireGuardNetwork retrieves the current WireGuard network configuration and peer status.
+	InspectWireGuardNetwork(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*InspectWireGuardNetworkResponse, error)
 	// Reset restores the machine to a clean state, removing all cluster-related configuration and data.
 	Reset(ctx context.Context, in *ResetRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	InspectService(ctx context.Context, in *InspectServiceRequest, opts ...grpc.CallOption) (*InspectServiceResponse, error)
@@ -102,6 +109,26 @@ func (c *machineClient) Inspect(ctx context.Context, in *emptypb.Empty, opts ...
 	return out, nil
 }
 
+func (c *machineClient) InspectMachine(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*InspectMachineResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(InspectMachineResponse)
+	err := c.cc.Invoke(ctx, Machine_InspectMachine_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *machineClient) InspectWireGuardNetwork(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*InspectWireGuardNetworkResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(InspectWireGuardNetworkResponse)
+	err := c.cc.Invoke(ctx, Machine_InspectWireGuardNetwork_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *machineClient) Reset(ctx context.Context, in *ResetRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
 	out := new(emptypb.Empty)
@@ -131,7 +158,12 @@ type MachineServer interface {
 	InitCluster(context.Context, *InitClusterRequest) (*InitClusterResponse, error)
 	JoinCluster(context.Context, *JoinClusterRequest) (*emptypb.Empty, error)
 	Token(context.Context, *emptypb.Empty) (*TokenResponse, error)
+	// Deprecated: use InspectMachine instead.
 	Inspect(context.Context, *emptypb.Empty) (*MachineInfo, error)
+	// InspectMachine retrieves detailed information about the machine. Supports broadcasting to multiple machines.
+	InspectMachine(context.Context, *emptypb.Empty) (*InspectMachineResponse, error)
+	// InspectWireGuardNetwork retrieves the current WireGuard network configuration and peer status.
+	InspectWireGuardNetwork(context.Context, *emptypb.Empty) (*InspectWireGuardNetworkResponse, error)
 	// Reset restores the machine to a clean state, removing all cluster-related configuration and data.
 	Reset(context.Context, *ResetRequest) (*emptypb.Empty, error)
 	InspectService(context.Context, *InspectServiceRequest) (*InspectServiceResponse, error)
@@ -160,6 +192,12 @@ func (UnimplementedMachineServer) Token(context.Context, *emptypb.Empty) (*Token
 func (UnimplementedMachineServer) Inspect(context.Context, *emptypb.Empty) (*MachineInfo, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Inspect not implemented")
 }
+func (UnimplementedMachineServer) InspectMachine(context.Context, *emptypb.Empty) (*InspectMachineResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method InspectMachine not implemented")
+}
+func (UnimplementedMachineServer) InspectWireGuardNetwork(context.Context, *emptypb.Empty) (*InspectWireGuardNetworkResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method InspectWireGuardNetwork not implemented")
+}
 func (UnimplementedMachineServer) Reset(context.Context, *ResetRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Reset not implemented")
 }
@@ -277,6 +315,42 @@ func _Machine_Inspect_Handler(srv interface{}, ctx context.Context, dec func(int
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Machine_InspectMachine_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.(MachineServer).InspectMachine(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Machine_InspectMachine_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MachineServer).InspectMachine(ctx, req.(*emptypb.Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Machine_InspectWireGuardNetwork_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.(MachineServer).InspectWireGuardNetwork(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Machine_InspectWireGuardNetwork_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MachineServer).InspectWireGuardNetwork(ctx, req.(*emptypb.Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Machine_Reset_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ResetRequest)
 	if err := dec(in); err != nil {
@@ -340,6 +414,14 @@ var Machine_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "Inspect",
 			Handler:    _Machine_Inspect_Handler,
 		},
+		{
+			MethodName: "InspectMachine",
+			Handler:    _Machine_InspectMachine_Handler,
+		},
+		{
+			MethodName: "InspectWireGuardNetwork",
+			Handler:    _Machine_InspectWireGuardNetwork_Handler,
+		},
 		{
 			MethodName: "Reset",
 			Handler:    _Machine_Reset_Handler,

internal/machine/api/proxy/remote.go

@@ -80,6 +80,8 @@ func (b *RemoteBackend) GetConnection(ctx context.Context, _ string) (context.Co
 	backoffConfig.MaxDelay = 15 * time.Second
 
 	var err error
+	// This client keeps retrying connection in the background indefinitely even after the first connection fails
+	// and the Unavailable error is returned to the caller.
 	b.conn, err = grpc.NewClient(
 		b.target,
 		grpc.WithTransportCredentials(insecure.NewCredentials()),
@@ -88,7 +90,7 @@ func (b *RemoteBackend) GetConnection(ctx context.Context, _ string) (context.Co
 			// Not published as a constant in gRPC library.
 			// See: https://github.com/grpc/grpc-go/blob/d5dee5fdbdeb52f6ea10b37b2cc7ce37814642d7/clientconn.go#L55-L56
 			// Each connection attempt can take up to MinConnectTimeout.
-			MinConnectTimeout: 20 * time.Second,
+			MinConnectTimeout: 10 * time.Second,
 		}),
 		grpc.WithDefaultCallOptions(
 			grpc.ForceCodecV2(proxy.Codec()),

internal/machine/caddyconfig/caddyfile.go

@@ -12,14 +12,16 @@ import (
 	"strconv"
 	"strings"
 	"text/template"
+	"time"
 
 	"github.com/psviderski/uncloud/internal/machine/store"
 	"github.com/psviderski/uncloud/pkg/api"
 )
 
 const (
-	caddyfileHeader = `# This file is autogenerated by Uncloud based on the configuration of running services.
+	caddyfileHeaderFmt = `# Caddyfile autogenerated by Uncloud (DO NOT EDIT): %s
-# Do not edit manually. Any manual changes will be overwritten on the next update.
+# Automatically updated on service or health status changes.
+# Docs: https://uncloud.run/docs/concepts/ingress/overview
 `
 	caddyfileTemplate = `# Health check endpoint to verify Caddy reachability on this machine.
 http:// {
@@ -56,7 +58,9 @@ https://{{$hostname}} {
 }{{end}}
 `
 	caddyfileUnavailabeFooter = `# NOTE: User-defined configs for services were skipped because Caddy is not running on this machine
-#       or the latest generated config is invalid. Please check the Caddy logs if it's running.
+#       (not accessible via the shared admin socket /run/uncloud/caddy/admin.sock) or the latest
+#       generated config is invalid. Please check the service 'caddy' is running (uc inspect caddy)
+#       and its logs for more details (uc logs caddy).
 `
 )
 
@@ -120,6 +124,7 @@ func (g *CaddyfileGenerator) Generate(
 		return "", fmt.Errorf("generate base Caddyfile from service ports: %w", err)
 	}
 
+	caddyfileHeader := fmt.Sprintf(caddyfileHeaderFmt, time.Now().UTC().Format(time.RFC3339))
 	if !includeCustom {
 		return fmt.Sprintf("%s\n%s\n%s", caddyfileHeader, caddyfile, caddyfileUnavailabeFooter), nil
 	}

internal/machine/caddyconfig/caddyfile_test.go

@@ -3,6 +3,7 @@ package caddyconfig
 import (
 	"context"
 	"errors"
+	"regexp"
 	"strings"
 	"testing"
 	"time"
@@ -17,8 +18,17 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-const testCaddyfileHeader = `# This file is autogenerated by Uncloud based on the configuration of running services.
+// generatedTimestampRegex matches the "(DO NOT EDIT): <RFC3339 timestamp>" part of the header.
-# Do not edit manually. Any manual changes will be overwritten on the next update.
+var generatedTimestampRegex = regexp.MustCompile(`\(DO NOT EDIT\): \d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z`)
+
+// normaliseGeneratedTimestamp replaces dynamic timestamps with a placeholder for test comparison.
+func normaliseGeneratedTimestamp(caddyfile string) string {
+	return generatedTimestampRegex.ReplaceAllString(caddyfile, "(DO NOT EDIT): TIMESTAMP_PLACEHOLDER")
+}
+
+const testCaddyfileHeader = `# Caddyfile autogenerated by Uncloud (DO NOT EDIT): TIMESTAMP_PLACEHOLDER
+# Automatically updated on service or health status changes.
+# Docs: https://uncloud.run/docs/concepts/ingress/overview
 
 # Health check endpoint to verify Caddy reachability on this machine.
 http:// {
@@ -190,7 +200,7 @@ https://secure.example.com {
 			}
 			require.NoError(t, err)
 
-			assert.Equal(t, tt.want, config, "Generated Caddyfile doesn't match")
+			assert.Equal(t, tt.want, normaliseGeneratedTimestamp(config), "Generated Caddyfile doesn't match")
 		})
 	}
 }
@@ -216,8 +226,9 @@ func TestCaddyfileGeneratorWithCustomConfigs(t *testing.T) {
 					time.Now(),
 				),
 			},
-			want: `# This file is autogenerated by Uncloud based on the configuration of running services.
+			want: `# Caddyfile autogenerated by Uncloud (DO NOT EDIT): TIMESTAMP_PLACEHOLDER
-# Do not edit manually. Any manual changes will be overwritten on the next update.
+# Automatically updated on service or health status changes.
+# Docs: https://uncloud.run/docs/concepts/ingress/overview
 
 # User-defined global config from service 'caddy'.
 # Global Caddy configuration
@@ -412,8 +423,9 @@ web.example.com {
 					time.Now(),
 				),
 			},
-			want: `# This file is autogenerated by Uncloud based on the configuration of running services.
+			want: `# Caddyfile autogenerated by Uncloud (DO NOT EDIT): TIMESTAMP_PLACEHOLDER
-# Do not edit manually. Any manual changes will be overwritten on the next update.
+# Automatically updated on service or health status changes.
+# Docs: https://uncloud.run/docs/concepts/ingress/overview
 
 # User-defined global config from service 'caddy'.
 # Global config
@@ -649,8 +661,9 @@ badconfig.com {
 					time.Now(),
 				),
 			},
-			want: `# This file is autogenerated by Uncloud based on the configuration of running services.
+			want: `# Caddyfile autogenerated by Uncloud (DO NOT EDIT): TIMESTAMP_PLACEHOLDER
-# Do not edit manually. Any manual changes will be overwritten on the next update.
+# Automatically updated on service or health status changes.
+# Docs: https://uncloud.run/docs/concepts/ingress/overview
 
 # User-defined global config from service 'caddy'.
 # Global config from test machine
@@ -831,7 +844,7 @@ valid.example.com {
 			}
 			require.NoError(t, err)
 
-			assert.Equal(t, tt.want, config, "Generated Caddyfile doesn't match")
+			assert.Equal(t, tt.want, normaliseGeneratedTimestamp(config), "Generated Caddyfile doesn't match")
 		})
 	}
 }
@@ -926,7 +939,9 @@ http://api.example.com {
 }
 
 # NOTE: User-defined configs for services were skipped because Caddy is not running on this machine
-#       or the latest generated config is invalid. Please check the Caddy logs if it's running.
+#       (not accessible via the shared admin socket /run/uncloud/caddy/admin.sock) or the latest
+#       generated config is invalid. Please check the service 'caddy' is running (uc inspect caddy)
+#       and its logs for more details (uc logs caddy).
 `,
 		},
 		{
@@ -950,7 +965,9 @@ http://api.example.com {
 }
 
 # NOTE: User-defined configs for services were skipped because Caddy is not running on this machine
-#       or the latest generated config is invalid. Please check the Caddy logs if it's running.
+#       (not accessible via the shared admin socket /run/uncloud/caddy/admin.sock) or the latest
+#       generated config is invalid. Please check the service 'caddy' is running (uc inspect caddy)
+#       and its logs for more details (uc logs caddy).
 `,
 		},
 	}
@@ -964,7 +981,7 @@ http://api.example.com {
 			config, err := generator.Generate(ctx, tt.containers, false)
 			require.NoError(t, err)
 
-			assert.Equal(t, tt.want, config, "Generated Caddyfile doesn't match")
+			assert.Equal(t, tt.want, normaliseGeneratedTimestamp(config), "Generated Caddyfile doesn't match")
 		})
 	}
 }

internal/machine/cluster.go

@@ -40,7 +40,9 @@ type clusterController struct {
 	corroService corroservice.Service
 	dockerCtrl   *docker.Controller
 	// dockerReady is signalled when Docker is configured and ready for containers.
-	dockerReady     chan<- struct{}
+	dockerReady chan<- struct{}
+	// clusterReady is signalled when the cluster controller has finished initializing all components.
+	clusterReady    chan<- struct{}
 	caddyconfigCtrl *caddyconfig.Controller
 
 	// dnsServer is the embedded internal DNS server for the cluster listening on the machine IP.
@@ -60,6 +62,7 @@ func newClusterController(
 	corroService corroservice.Service,
 	dockerService *docker.Service,
 	dockerReady chan<- struct{},
+	clusterReady chan<- struct{},
 	caddyfileCtrl *caddyconfig.Controller,
 	dnsServer *dns.Server,
 	dnsResolver *dns.ClusterResolver,
@@ -81,6 +84,7 @@ func newClusterController(
 		corroService:    corroService,
 		dockerCtrl:      docker.NewController(state.ID, dockerService, store),
 		dockerReady:     dockerReady,
+		clusterReady:    clusterReady,
 		caddyconfigCtrl: caddyfileCtrl,
 		dnsServer:       dnsServer,
 		dnsResolver:     dnsResolver,
@@ -123,6 +127,21 @@ func (cc *clusterController) Run(ctx context.Context) error {
 
 	errGroup, ctx := errgroup.WithContext(ctx)
 
+	// Start the WireGuard control loop before waiting for store sync. This ensures endpoint rotation happens
+	// while waiting, allowing Corrosion to connect to peers.
+	errGroup.Go(func() error {
+		if err := cc.wgnet.Run(ctx); err != nil {
+			return fmt.Errorf("WireGuard network failed: %w", err)
+		}
+		return nil
+	})
+
+	// Watch for WireGuard peer endpoint changes and update the machine state accordingly.
+	errGroup.Go(func() error {
+		cc.handleEndpointChanges(ctx)
+		return nil
+	})
+
 	// Start the network API server. Assume the management IP can't be changed when the network is running.
 	apiAddr := net.JoinHostPort(cc.state.Network.ManagementIP.String(), strconv.Itoa(constants.MachineAPIPort))
 	listener, err := net.Listen("tcp", apiAddr)
@@ -137,6 +156,22 @@ func (cc *clusterController) Run(ctx context.Context) error {
 		return nil
 	})
 
+	// Wait for the store database to sync to the minimum version before starting store-dependent components.
+	// This prevents issues with using partially replicated data when the machine just joined the cluster,
+	// e.g., an empty machine list causing WireGuard peer misconfiguration.
+	cc.waitStoreSync(ctx)
+
+	// Check if waitStoreSync exited because the context was cancelled. Return early in that case.
+	if ctx.Err() != nil {
+		cc.stopAPIServer()
+
+		err := errGroup.Wait()
+		if corroErr := cc.stopCorrosion(); corroErr != nil {
+			err = errors.Join(err, corroErr)
+		}
+		return err
+	}
+
 	errGroup.Go(func() error {
 		slog.Info("Starting embedded DNS resolver.")
 		if err := cc.dnsResolver.Run(ctx); err != nil {
@@ -169,44 +204,6 @@ func (cc *clusterController) Run(ctx context.Context) error {
 		return nil
 	})
 
-	// Watch for WireGuard peer endpoint changes and update the machine state accordingly.
-	errGroup.Go(func() error {
-		for {
-			select {
-			case e, ok := <-cc.endpointChanges:
-				if !ok {
-					// The channel was closed, stop watching for changes.
-					cc.endpointChanges = nil
-					return nil
-				}
-
-				cc.state.mu.Lock()
-				for i := range cc.state.Network.Peers {
-					if cc.state.Network.Peers[i].PublicKey.Equal(e.PublicKey) {
-						cc.state.Network.Peers[i].Endpoint = &e.Endpoint
-						break
-					}
-				}
-				if err := cc.state.Save(); err != nil {
-					slog.Error("Failed to save machine state.", "err", err)
-				}
-				cc.state.mu.Unlock()
-
-				slog.Debug("Preserved endpoint change in the machine state.",
-					"public_key", e.PublicKey, "endpoint", e.Endpoint)
-			case <-ctx.Done():
-				return nil
-			}
-		}
-	})
-
-	errGroup.Go(func() error {
-		if err := cc.wgnet.Run(ctx); err != nil {
-			return fmt.Errorf("WireGuard network failed: %w", err)
-		}
-		return nil
-	})
-
 	errGroup.Go(func() error {
 		slog.Info("Starting caddyconfig controller.")
 		if err := cc.caddyconfigCtrl.Run(ctx); err != nil {
@@ -225,12 +222,13 @@ func (cc *clusterController) Run(ctx context.Context) error {
 		})
 	}
 
-	// Wait for the context to be done and stop the network API server.
+	// Signal that the cluster controller has finished starting all components.
+	close(cc.clusterReady)
+	slog.Info("Cluster controller finished starting all components.")
+	// Wait for the context to be done and stop all servers and controllers.
 	<-ctx.Done()
-	slog.Info("Stopping network API server.")
+
-	// TODO: implement timeout for graceful shutdown.
+	cc.stopAPIServer()
-	cc.server.GracefulStop()
-	slog.Info("Network API server stopped.")
 
 	// Stop the unregistry server with a timeout if it was started.
 	if cc.unregistry != nil {
@@ -248,19 +246,50 @@ func (cc *clusterController) Run(ctx context.Context) error {
 	// Wait for all controllers to finish.
 	err = errGroup.Wait()
 
-	// It's safe to stop the Corrosion service after the controllers depending on it and API server are stopped.
+	// Stop Corrosion after all controllers depending on it and API server are stopped.
-	// Use a new context with a timeout as the current context is already canceled.
+	if corroErr := cc.stopCorrosion(); corroErr != nil {
-	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		err = errors.Join(err, corroErr)
-	defer cancel()
-	if corroErr := cc.corroService.Stop(ctx); corroErr != nil {
-		err = errors.Join(err, fmt.Errorf("stop corrosion service: %w", corroErr))
-	} else {
-		slog.Info("Corrosion service stopped.")
 	}
 
 	return err
 }
 
+// stopAPIServer gracefully stops the network API server with a timeout.
+func (cc *clusterController) stopAPIServer() {
+	timeout := 10 * time.Second
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	stopped := make(chan struct{})
+	go func() {
+		slog.Info("Stopping network API server.")
+		cc.server.GracefulStop()
+		close(stopped)
+	}()
+
+	select {
+	case <-ctx.Done():
+		slog.Warn("Network API server graceful stop timed out, forcing stop.", "timeout", timeout)
+		cc.server.Stop()
+	case <-stopped:
+	}
+
+	slog.Info("Network API server stopped.")
+}
+
+// stopCorrosion stops the Corrosion service with a timeout.
+func (cc *clusterController) stopCorrosion() error {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	if err := cc.corroService.Stop(ctx); err != nil {
+		return fmt.Errorf("stop corrosion service: %w", err)
+	}
+	slog.Info("Corrosion service stopped.")
+
+	return nil
+}
+
 // ensureDockerNetwork ensures that the Docker network is configured and ready for containers.
 func (cc *clusterController) ensureDockerNetwork(ctx context.Context) error {
 	if err := cc.dockerCtrl.WaitDaemonReady(ctx); err != nil {
@@ -281,6 +310,95 @@ func (cc *clusterController) ensureDockerNetwork(ctx context.Context) error {
 	return nil
 }
 
+// handleEndpointChanges watches for WireGuard peer endpoint changes and persists them to the machine state.
+func (cc *clusterController) handleEndpointChanges(ctx context.Context) {
+	for {
+		select {
+		case e, ok := <-cc.endpointChanges:
+			if !ok {
+				// The channel was closed, stop watching for changes.
+				cc.endpointChanges = nil
+				return
+			}
+
+			cc.state.mu.Lock()
+			for i := range cc.state.Network.Peers {
+				if cc.state.Network.Peers[i].PublicKey.Equal(e.PublicKey) {
+					cc.state.Network.Peers[i].Endpoint = &e.Endpoint
+					break
+				}
+			}
+			if err := cc.state.Save(); err != nil {
+				slog.Error("Failed to save machine state.", "err", err)
+			}
+			cc.state.mu.Unlock()
+
+			slog.Debug("Preserved endpoint change in the machine state.",
+				"public_key", e.PublicKey, "endpoint", e.Endpoint)
+		case <-ctx.Done():
+			return
+		}
+	}
+}
+
+// waitStoreSync waits for the store database to sync to the minimum required DB version if set in the machine state.
+// Blocks until synced or context is cancelled.
+func (cc *clusterController) waitStoreSync(ctx context.Context) {
+	minVersion := cc.state.MinStoreDBVersion
+	if minVersion == 0 {
+		return
+	}
+
+	slog.Info("Waiting for the initial cluster store sync.", "min_version", minVersion)
+
+	ticker := time.NewTicker(500 * time.Millisecond)
+	defer ticker.Stop()
+
+	var (
+		lastVersion    int64
+		lastLogTime    time.Time
+		lastErrLogTime time.Time
+	)
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case <-ticker.C:
+			version, err := cc.store.DBVersion(ctx)
+			if err != nil {
+				// Log errors at most once every 5 seconds.
+				if time.Since(lastErrLogTime) >= 5*time.Second {
+					slog.Error("Failed to get the cluster store DB version, retrying.", "err", err)
+					lastErrLogTime = time.Now()
+				}
+				continue
+			}
+
+			if version >= minVersion {
+				slog.Info("Cluster store completed the initial sync.", "version", version, "min_version", minVersion)
+
+				// Clear MinStoreDBVersion so next restart doesn't wait for sync.
+				cc.state.mu.Lock()
+				cc.state.MinStoreDBVersion = 0
+				if err := cc.state.Save(); err != nil {
+					slog.Error("Failed to save machine state after the initial cluster store sync.", "err", err)
+				}
+				cc.state.mu.Unlock()
+
+				return
+			}
+
+			// Log progress only once a second.
+			if version != lastVersion && time.Since(lastLogTime) >= 1*time.Second {
+				slog.Info("Syncing cluster store.", "version", version, "min_version", minVersion)
+				lastLogTime = time.Now()
+				lastVersion = version
+			}
+		}
+	}
+}
+
 // syncDockerContainers watches local Docker containers and syncs them to the cluster store.
 // TODO: move this to the Docker controller.
 func (cc *clusterController) syncDockerContainers(ctx context.Context) error {
@@ -340,6 +458,7 @@ func (cc *clusterController) handleMachineChanges(ctx context.Context) error {
 
 		// The machine store may be empty when a machine first joins the cluster, before store synchronization
 		// completes. Skip configuration now and apply it when the store changes are received.
+		// TODO: remove this check after releasing 0.17.0 and assuming cluster machines wait for store sync on join.
 		if len(machines) > 0 {
 			slog.Info("Reconfiguring network peers with the current machines.", "machines", len(machines))
 			if err = cc.configurePeers(machines); err != nil {

internal/machine/cluster/cluster.go

@@ -26,12 +26,19 @@ type Cluster struct {
 	corroAdmin *corrosion.AdminClient
 	// machineID is the ID of the current machine that is running the cluster service.
 	machineID string
+	// initialised is closed when the machine is configured as a member of a cluster.
+	initialised <-chan struct{}
+	// ready is closed when the cluster controller has finished starting all components
+	// and the machine is ready to serve cluster requests.
+	ready <-chan struct{}
 }
 
-func NewCluster(store *store.Store, corroAdmin *corrosion.AdminClient) *Cluster {
+func NewCluster(store *store.Store, corroAdmin *corrosion.AdminClient, initialised, ready <-chan struct{}) *Cluster {
 	return &Cluster{
-		store:      store,
+		store:       store,
-		corroAdmin: corroAdmin,
+		corroAdmin:  corroAdmin,
+		initialised: initialised,
+		ready:       ready,
 	}
 }
 
@@ -41,67 +48,45 @@ func (c *Cluster) UpdateMachineID(mid string) {
 }
 
 func (c *Cluster) Init(ctx context.Context, network netip.Prefix) error {
-	initialised, err := c.Initialised(ctx)
+	select {
-	if err != nil {
+	case <-c.initialised:
-		return err
+		return fmt.Errorf("cluster is already initialised on this machine")
-	}
+	default:
-	if initialised {
-		return fmt.Errorf("cluster is already initialised")
 	}
 
-	if err = c.store.Put(ctx, "network", network.String()); err != nil {
+	if err := c.store.Put(ctx, "network", network.String()); err != nil {
 		return fmt.Errorf("put network to store: %w", err)
 	}
-	if err = c.store.Put(ctx, "created_at", time.Now().UTC().Format(time.RFC3339)); err != nil {
+	if err := c.store.Put(ctx, "created_at", time.Now().UTC().Format(time.RFC3339)); err != nil {
 		return fmt.Errorf("put created_at to store: %w", err)
 	}
 	return nil
 }
 
-func (c *Cluster) Initialised(ctx context.Context) (bool, error) {
+// checkReady checks if the machine is ready to serve cluster requests (store synced, cluster components started).
-	var createdAt string
+func (c *Cluster) checkReady() error {
-	if err := c.store.Get(ctx, "created_at", &createdAt); err != nil {
+	select {
-		if errors.Is(err, store.ErrKeyNotFound) {
+	case <-c.ready:
-			return false, nil
+		return nil
-		}
+	default:
-		return false, status.Errorf(codes.Internal, "get created_at from store: %v", err)
+		return status.Error(codes.Unavailable, "machine is not ready to serve cluster requests")
 	}
-	return true, nil
-}
-
-func (c *Cluster) checkInitialised(ctx context.Context) error {
-	initialised, err := c.Initialised(ctx)
-	if err != nil {
-		return err
-	}
-	if !initialised {
-		return status.Error(codes.FailedPrecondition, "cluster is not initialised")
-	}
-	return nil
-}
-
-func (c *Cluster) Network(ctx context.Context) (netip.Prefix, error) {
-	if err := c.checkInitialised(ctx); err != nil {
-		return netip.Prefix{}, err
-	}
-
-	var net string
-	if err := c.store.Get(ctx, "network", &net); err != nil {
-		return netip.Prefix{}, status.Errorf(codes.Internal, "get network from store: %v", err)
-	}
-	prefix, err := netip.ParsePrefix(net)
-	if err != nil {
-		return netip.Prefix{}, status.Errorf(codes.Internal, "parse network prefix: %v", err)
-	}
-	return prefix, nil
 }
 
 // AddMachine adds a machine to the cluster.
 func (c *Cluster) AddMachine(ctx context.Context, req *pb.AddMachineRequest) (*pb.AddMachineResponse, error) {
-	if err := c.checkInitialised(ctx); err != nil {
+	if err := c.checkReady(); err != nil {
 		return nil, err
 	}
 
+	return c.AddMachineWithoutReadyCheck(ctx, req)
+}
+
+// AddMachineWithoutReadyCheck adds a machine to the cluster without checking if the cluster is ready.
+// This is used internally during cluster initialisation to add the first machine.
+func (c *Cluster) AddMachineWithoutReadyCheck(
+	ctx context.Context, req *pb.AddMachineRequest,
+) (*pb.AddMachineResponse, error) {
 	if req.Network == nil {
 		return nil, status.Error(codes.InvalidArgument, "network not set")
 	}
@@ -162,7 +147,7 @@ func (c *Cluster) AddMachine(ctx context.Context, req *pb.AddMachineRequest) (*p
 		manageIP = pb.NewIP(network.ManagementIP(req.Network.PublicKey))
 	}
 	// Allocate a subnet for the machine from the cluster network.
-	clusterNetwork, err := c.Network(ctx)
+	clusterNetwork, err := c.network(ctx)
 	if err != nil {
 		return nil, status.Errorf(codes.Internal, "get cluster network: %v", err)
 	}
@@ -198,9 +183,21 @@ func (c *Cluster) AddMachine(ctx context.Context, req *pb.AddMachineRequest) (*p
 	return resp, nil
 }
 
+func (c *Cluster) network(ctx context.Context) (netip.Prefix, error) {
+	var net string
+	if err := c.store.Get(ctx, "network", &net); err != nil {
+		return netip.Prefix{}, status.Errorf(codes.Internal, "get network from store: %v", err)
+	}
+	prefix, err := netip.ParsePrefix(net)
+	if err != nil {
+		return netip.Prefix{}, status.Errorf(codes.Internal, "parse network prefix: %v", err)
+	}
+	return prefix, nil
+}
+
 // UpdateMachine updates machine configuration in the cluster.
 func (c *Cluster) UpdateMachine(ctx context.Context, req *pb.UpdateMachineRequest) (*pb.UpdateMachineResponse, error) {
-	if err := c.checkInitialised(ctx); err != nil {
+	if err := c.checkReady(); err != nil {
 		return nil, err
 	}
 
@@ -283,7 +280,7 @@ func (c *Cluster) UpdateMachine(ctx context.Context, req *pb.UpdateMachineReques
 
 // ListMachines lists all machines in the cluster including their membership states.
 func (c *Cluster) ListMachines(ctx context.Context, _ *emptypb.Empty) (*pb.ListMachinesResponse, error) {
-	if err := c.checkInitialised(ctx); err != nil {
+	if err := c.checkReady(); err != nil {
 		return nil, err
 	}
 
@@ -329,7 +326,7 @@ func (c *Cluster) ListMachines(ctx context.Context, _ *emptypb.Empty) (*pb.ListM
 
 // RemoveMachine removes a machine from the cluster.
 func (c *Cluster) RemoveMachine(ctx context.Context, req *pb.RemoveMachineRequest) (*emptypb.Empty, error) {
-	if err := c.checkInitialised(ctx); err != nil {
+	if err := c.checkReady(); err != nil {
 		return nil, err
 	}
 

internal/machine/cluster/dns.go

@@ -25,7 +25,7 @@ type uncloudDNSDomain struct {
 }
 
 func (c *Cluster) ReserveDomain(ctx context.Context, req *pb.ReserveDomainRequest) (*pb.Domain, error) {
-	if err := c.checkInitialised(ctx); err != nil {
+	if err := c.checkReady(); err != nil {
 		return nil, err
 	}
 
@@ -64,7 +64,7 @@ func (c *Cluster) ReserveDomain(ctx context.Context, req *pb.ReserveDomainReques
 }
 
 func (c *Cluster) GetDomain(ctx context.Context, _ *emptypb.Empty) (*pb.Domain, error) {
-	if err := c.checkInitialised(ctx); err != nil {
+	if err := c.checkReady(); err != nil {
 		return nil, err
 	}
 
@@ -95,7 +95,7 @@ func (c *Cluster) storedDomain(ctx context.Context) (uncloudDNSDomain, error) {
 }
 
 func (c *Cluster) ReleaseDomain(ctx context.Context, _ *emptypb.Empty) (*pb.Domain, error) {
-	if err := c.checkInitialised(ctx); err != nil {
+	if err := c.checkReady(); err != nil {
 		return nil, err
 	}
 
@@ -115,7 +115,7 @@ func (c *Cluster) ReleaseDomain(ctx context.Context, _ *emptypb.Empty) (*pb.Doma
 func (c *Cluster) CreateDomainRecords(
 	ctx context.Context, req *pb.CreateDomainRecordsRequest,
 ) (*pb.CreateDomainRecordsResponse, error) {
-	if err := c.checkInitialised(ctx); err != nil {
+	if err := c.checkReady(); err != nil {
 		return nil, err
 	}
 

internal/machine/docker/client_exec.go

@@ -201,10 +201,10 @@ func handleClientOutputStream(ctx context.Context, stream pb.Docker_ExecContaine
 // ExecContainer executes a command in a running container with bidirectional streaming.
 // TODO: This can be merged with pkg/client as it's an unnecessary logic split.
 func (c *Client) ExecContainer(ctx context.Context, opts ExecConfig) (exitCode int, err error) {
-	// TODO: We need to handle Ctrl-C and other signals here to forward them to the container process.
+	// Note: In non-interactive mode (without TTY), signals like SIGTERM/SIGINT will terminate the client
-	// Right now, Ctrl-C will just terminate the client process, which is not ideal.
+	// process without being forwarded to the remote container process. We could catch and forward these
-	// We should catch the signal, send it to the container process, and only exit
+	// signals (useful for long-running commands), but for example "kubectl exec" doesn't do this either (as of November 2025),
-	// when the container process exits.
+	// so we keep it simple for now.
 
 	slog.Debug("starting ExecContainer", "containerID", opts.ContainerID, "options", opts.Options)
 

internal/machine/docker/server.go

@@ -47,6 +47,7 @@ import (
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 	"google.golang.org/protobuf/types/known/emptypb"
+	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
 var fullDockerIDRegex = regexp.MustCompile(`^[a-f0-9]{64}$`)
@@ -604,6 +605,8 @@ func (s *Server) CreateServiceContainer(
 		}
 	}
 	hostConfig := &container.HostConfig{
+		CapAdd:       spec.Container.CapAdd,
+		CapDrop:      spec.Container.CapDrop,
 		Binds:        spec.Container.Volumes,
 		Init:         spec.Container.Init,
 		Mounts:       mounts,
@@ -620,6 +623,7 @@ func (s *Server) CreateServiceContainer(
 		RestartPolicy: container.RestartPolicy{
 			Name: container.RestartPolicyUnlessStopped,
 		},
+		Sysctls: spec.Container.Sysctls,
 	}
 
 	// Configure the container to use the internal DNS server if it's available.
@@ -800,14 +804,17 @@ func (s *Server) injectConfigs(ctx context.Context, containerID string, configs
 }
 
 // copyContentToContainer copies content directly to a file in the container using Docker's CopyToContainer API.
+// It will create any intermediate directories in the target path that don't exist.
 func (s *Server) copyContentToContainer(ctx context.Context, containerID string, content []byte, targetPath string, uid *uint64, gid *uint64, fileMode os.FileMode) error {
-	// Create a tar archive containing the file
 	var buf bytes.Buffer
 	tw := tar.NewWriter(&buf)
 
-	// Create tar header
+	// Trim leading slash(es) to avoid double slashes in the tar path
+	tarPath := strings.TrimPrefix(targetPath, "/")
+
+	// Create tar header with full path
 	header := &tar.Header{
-		Name:     filepath.Base(targetPath),
+		Name:     tarPath,
 		Size:     int64(len(content)),
 		Mode:     int64(fileMode),
 		ModTime:  time.Now(),
@@ -833,16 +840,12 @@ func (s *Server) copyContentToContainer(ctx context.Context, containerID string,
 		return fmt.Errorf("close tar writer: %w", err)
 	}
 
-	// Copy the tar archive to the container
+	// Always extract to root. The tar archive contains the full path, so tar will
-	targetDir := filepath.Dir(targetPath)
+	// automatically create any intermediate directories that don't exist in the container.
-	if targetDir == "." {
-		targetDir = "/"
-	}
-
 	if err := s.client.CopyToContainer(
 		ctx,
 		containerID,
-		targetDir,
+		"/",
 		&buf,
 		container.CopyToContainerOptions{CopyUIDGID: true},
 	); err != nil {
@@ -1015,6 +1018,97 @@ func (s *Server) RemoveServiceContainer(ctx context.Context, req *pb.RemoveConta
 	return resp, nil
 }
 
+// logsHeartbeatInterval is the interval at which heartbeat entries are sent when there are no logs to stream.
+const logsHeartbeatInterval = 200 * time.Millisecond
+
+// ContainerLogs streams logs from a container.
+func (s *Server) ContainerLogs(
+	req *pb.ContainerLogsRequest, stream grpc.ServerStreamingServer[pb.ContainerLogEntry],
+) error {
+	// Stream context is cancelled when the client has disconnected or the stream has ended.
+	ctx := stream.Context()
+
+	opts := ContainerLogsOptions{
+		ContainerID: req.ContainerId,
+		Follow:      req.Follow,
+		Tail:        int(req.Tail),
+		Since:       req.Since,
+		Until:       req.Until,
+	}
+
+	logsCh, err := s.service.ContainerLogs(ctx, opts)
+	if err != nil {
+		if errdefs.IsNotFound(err) {
+			return status.Error(codes.NotFound, err.Error())
+		}
+		return status.Errorf(codes.Internal, "get container logs: %v", err)
+	}
+
+	log := slog.With("container_id", req.ContainerId, "stream_id", fmt.Sprintf("%p", stream)[2:])
+	log.Debug("Starting container logs streaming.",
+		"follow", req.Follow, "tail", req.Tail, "since", req.Since, "until", req.Until)
+
+	// Heartbeats are needed only when following logs to let the client know when there are no new log entries
+	// to allow it to advance the watermark of last received log timestamp.
+	var heartbeatCh <-chan time.Time
+	if req.Follow {
+		heartbeatTicker := time.NewTicker(logsHeartbeatInterval)
+		defer heartbeatTicker.Stop()
+		heartbeatCh = heartbeatTicker.C
+	}
+
+	started := time.Now()
+	lastSent := time.Time{}
+
+	for {
+		select {
+		case entry, ok := <-logsCh:
+			if !ok {
+				// Channel closed, no more log entries.
+				return nil
+			}
+
+			if entry.Err != nil {
+				return status.Error(codes.Internal, entry.Err.Error())
+			}
+
+			pbEntry := &pb.ContainerLogEntry{
+				Stream:    api.LogStreamTypeToProto(entry.Stream),
+				Timestamp: timestamppb.New(entry.Timestamp),
+				Message:   entry.Message,
+			}
+			if err = stream.Send(pbEntry); err != nil {
+				return status.Errorf(codes.Internal, "send log entry: %v", err)
+			}
+			lastSent = entry.Timestamp
+
+		case now := <-heartbeatCh:
+			// Only send heartbeat if no log entries have been sent since the last heartbeat interval or
+			// if no log entries have been sent at all for at least a heartbeat interval since starting.
+			if now.Sub(lastSent) < logsHeartbeatInterval ||
+				(lastSent.IsZero() && now.Sub(started) < logsHeartbeatInterval) {
+				continue
+			}
+
+			// Use the timestamp one heartbeat in the past to be conservative. This reduces the chance of sending
+			// a timestamp that is greater than a log entry currently being parsed but not yet sent, which would
+			// cause the client to incorrectly believe it has received all logs up to that point.
+			heartbeat := &pb.ContainerLogEntry{
+				Stream:    pb.ContainerLogEntry_HEARTBEAT,
+				Timestamp: timestamppb.New(now.Add(-logsHeartbeatInterval)),
+			}
+			if err = stream.Send(heartbeat); err != nil {
+				return status.Errorf(codes.Internal, "send log stream heartbeat: %v", err)
+			}
+			lastSent = heartbeat.Timestamp.AsTime()
+			log.Debug("Sent log stream heartbeat.", "timestamp", lastSent)
+
+		case <-ctx.Done():
+			return status.Error(codes.Canceled, ctx.Err().Error())
+		}
+	}
+}
+
 // receiveExecConfig receives and validates the initial exec configuration from the stream.
 func (s *Server) receiveExecConfig(stream pb.Docker_ExecContainerServer) (*pb.ExecConfig, api.ExecOptions, error) {
 	req, err := stream.Recv()

internal/machine/docker/service.go

@@ -1,18 +1,22 @@
 package docker
 
 import (
+	"bytes"
 	"context"
 	"database/sql"
 	"encoding/json"
 	"errors"
 	"fmt"
 	"log/slog"
+	"strconv"
 	"strings"
+	"time"
 
 	"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/client"
+	"github.com/docker/docker/pkg/stdcopy"
 	"github.com/jmoiron/sqlx"
 	"github.com/psviderski/uncloud/pkg/api"
 	"google.golang.org/grpc/codes"
@@ -150,3 +154,104 @@ func (s *Service) ListImages(ctx context.Context, opts image.ListOptions) (Image
 
 	return imagesResp, nil
 }
+
+// ContainerLogsOptions specifies parameters for ContainerLogs.
+type ContainerLogsOptions struct {
+	ContainerID string
+	Follow      bool
+	Tail        int
+	Since       string
+	Until       string
+}
+
+// ContainerLogs streams logs from a container and returns demultiplexed entries via a channel.
+// The channel is closed when streaming completes or context is cancelled.
+func (s *Service) ContainerLogs(ctx context.Context, opts ContainerLogsOptions) (<-chan api.ContainerLogEntry, error) {
+	dockerOpts := container.LogsOptions{
+		ShowStdout: true,
+		ShowStderr: true,
+		Follow:     opts.Follow,
+		Tail:       strconv.FormatInt(int64(opts.Tail), 10),
+		Since:      opts.Since,
+		Until:      opts.Until,
+		Timestamps: true,
+	}
+
+	reader, err := s.Client.ContainerLogs(ctx, opts.ContainerID, dockerOpts)
+	if err != nil {
+		return nil, err
+	}
+
+	outCh := make(chan api.ContainerLogEntry)
+	stdoutWriter := &logsChannelWriter{ctx: ctx, ch: outCh, isStderr: false}
+	stderrWriter := &logsChannelWriter{ctx: ctx, ch: outCh, isStderr: true}
+
+	// Wrap the context in a cancellable one to unblock the second goroutine below when StdCopy completes.
+	ctx, cancel := context.WithCancel(ctx)
+
+	// Run StdCopy in a goroutine to be able to handle context cancellation.
+	go func() {
+		defer close(outCh)
+		defer cancel()
+
+		// StdCopy is blocking and will return when the reader is closed in another goroutine below or on error.
+		if _, err := stdcopy.StdCopy(stdoutWriter, stderrWriter, reader); err != nil {
+			// Send error as the last entry.
+			select {
+			case outCh <- api.ContainerLogEntry{Err: fmt.Errorf("demultiplex container logs: %w", err)}:
+			case <-ctx.Done():
+			}
+		}
+	}()
+
+	// Close the reader when the context is done to cancel StdCopy if it's still running.
+	go func() {
+		<-ctx.Done()
+		reader.Close()
+	}()
+
+	return outCh, nil
+}
+
+// logsChannelWriter is a writer for stdcopy.StdCopy that sends demultiplexed container logs to a channel.
+type logsChannelWriter struct {
+	ctx      context.Context
+	ch       chan<- api.ContainerLogEntry
+	isStderr bool
+}
+
+func (w *logsChannelWriter) Write(data []byte) (n int, err error) {
+	// Parse timestamp and message from the demultiplexed Docker log payload if the data looks like it contains one.
+	// Format: 2025-01-01T00:00:00.000000000Z message
+	timestamp := time.Time{}
+	message := data
+	if len(data) > 30 && data[4] == '-' && data[7] == '-' && data[10] == 'T' {
+		timestampPart, messagePart, found := bytes.Cut(data, []byte(" "))
+		if found {
+			timestamp, err = time.Parse(time.RFC3339Nano, string(timestampPart))
+			if err != nil {
+				timestamp = time.Time{}
+			}
+			message = messagePart
+		}
+	}
+
+	entry := api.ContainerLogEntry{
+		Timestamp: timestamp,
+		// Clone is required because message is a slice into data, which stdcopy.StdCopy may reuse
+		// after Write returns but before the entry is consumed from the channel.
+		Message: bytes.Clone(message),
+	}
+	if w.isStderr {
+		entry.Stream = api.LogStreamStderr
+	} else {
+		entry.Stream = api.LogStreamStdout
+	}
+
+	select {
+	case w.ch <- entry:
+		return len(data), nil
+	case <-w.ctx.Done():
+		return 0, w.ctx.Err()
+	}
+}

internal/machine/machine.go

@@ -33,10 +33,12 @@ import (
 	"github.com/psviderski/unregistry"
 	"github.com/siderolabs/grpc-proxy/proxy"
 	"golang.org/x/sync/errgroup"
+	"golang.zx2c4.com/wireguard/wgctrl"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 	"google.golang.org/protobuf/types/known/emptypb"
+	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
 const (
@@ -174,10 +176,13 @@ type Machine struct {
 	state  *State
 	// started is closed when the machine is ready to serve requests on the local API server.
 	started chan struct{}
-	// initialised is signalled when the machine is configured as a member of a cluster.
+	// initialised is closed when the machine is configured as a member of a cluster.
 	initialised chan struct{}
-	// networkReady is signalled when the Docker network is configured and ready for containers.
+	// networkReady is closed when the Docker network is configured and ready for containers.
 	networkReady chan struct{}
+	// clusterReady is closed when the cluster controller has finished starting all components
+	// and the machine is ready to serve cluster requests.
+	clusterReady chan struct{}
 	// resetting is true when the machine is being reset.
 	resetting bool
 	// stop cancels the Run method context to stop the machine gracefully.
@@ -246,7 +251,10 @@ func NewMachine(config *Config) (*Machine, error) {
 	if err != nil {
 		return nil, fmt.Errorf("create corrosion admin client: %w", err)
 	}
-	c := cluster.NewCluster(corroStore, corroAdmin)
+
+	initialised := make(chan struct{})
+	clusterReady := make(chan struct{})
+	c := cluster.NewCluster(corroStore, corroAdmin, initialised, clusterReady)
 
 	// Init dependencies for a gRPC Docker server that proxies requests to the local Docker daemon.
 	dbFilePath := filepath.Join(config.DataDir, DBFileName)
@@ -269,8 +277,9 @@ func NewMachine(config *Config) (*Machine, error) {
 		config:           *config,
 		state:            state,
 		started:          make(chan struct{}),
-		initialised:      make(chan struct{}, 1),
+		initialised:      initialised,
 		networkReady:     make(chan struct{}),
+		clusterReady:     clusterReady,
 		store:            corroStore,
 		cluster:          c,
 		dockerService:    dockerService,
@@ -294,7 +303,7 @@ func NewMachine(config *Config) (*Machine, error) {
 	m.localMachineServer = newGRPCServer(m, c, m.dockerServer, caddyServer)
 
 	if m.Initialised() {
-		m.initialised <- struct{}{}
+		close(m.initialised)
 	}
 
 	return m, nil
@@ -475,6 +484,7 @@ func (m *Machine) Run(ctx context.Context) error {
 				m.config.CorrosionService,
 				m.dockerService,
 				m.networkReady,
+				m.clusterReady,
 				caddyconfigCtrl,
 				dnsServer,
 				dnsResolver,
@@ -722,7 +732,7 @@ func (m *Machine) InitCluster(ctx context.Context, req *pb.InitClusterRequest) (
 		addReq.PublicIp = pb.NewIP(publicIP)
 	}
 
-	addResp, err := m.cluster.AddMachine(ctx, addReq)
+	addResp, err := m.cluster.AddMachineWithoutReadyCheck(ctx, addReq)
 	if err != nil {
 		return nil, status.Errorf(codes.Internal, "add machine to cluster: %v", err)
 	}
@@ -749,7 +759,7 @@ func (m *Machine) InitCluster(ctx context.Context, req *pb.InitClusterRequest) (
 	}
 	slog.Info("Cluster initialised with machine.", "id", m.state.ID, "machine", m.state.Name)
 	// Signal that the machine is initialised as a member of a cluster.
-	m.initialised <- struct{}{}
+	close(m.initialised)
 
 	resp := &pb.InitClusterResponse{
 		Machine: addResp.Machine,
@@ -792,6 +802,7 @@ func (m *Machine) JoinCluster(_ context.Context, req *pb.JoinClusterRequest) (*e
 		PrivateKey:   m.state.Network.PrivateKey,
 		PublicKey:    m.state.Network.PublicKey,
 	}
+	m.state.MinStoreDBVersion = req.MinStoreDbVersion
 
 	// Build a peers config from other cluster machines.
 	m.state.Network.Peers = make([]network.PeerConfig, 0, len(req.OtherMachines))
@@ -830,7 +841,7 @@ func (m *Machine) JoinCluster(_ context.Context, req *pb.JoinClusterRequest) (*e
 		"peers", len(m.state.Network.Peers),
 	)
 	// Signal that the machine is initialised as a member of a cluster.
-	m.initialised <- struct{}{}
+	close(m.initialised)
 
 	return &emptypb.Empty{}, nil
 }
@@ -864,6 +875,7 @@ func (m *Machine) Token(_ context.Context, _ *emptypb.Empty) (*pb.TokenResponse,
 	return &pb.TokenResponse{Token: tokenStr}, nil
 }
 
+// Deprecated: use InspectMachine instead.
 func (m *Machine) Inspect(_ context.Context, _ *emptypb.Empty) (*pb.MachineInfo, error) {
 	return &pb.MachineInfo{
 		Id:   m.state.ID,
@@ -876,6 +888,31 @@ func (m *Machine) Inspect(_ context.Context, _ *emptypb.Empty) (*pb.MachineInfo,
 	}, nil
 }
 
+func (m *Machine) InspectMachine(ctx context.Context, _ *emptypb.Empty) (*pb.InspectMachineResponse, error) {
+	dbVersion, err := m.store.DBVersion(ctx)
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "get database version of the cluster store: %v", err)
+	}
+
+	return &pb.InspectMachineResponse{
+		Machines: []*pb.MachineDetails{
+			{
+				// Metadata is injected by the gRPC proxy.
+				Machine: &pb.MachineInfo{
+					Id:   m.state.ID,
+					Name: m.state.Name,
+					Network: &pb.NetworkConfig{
+						Subnet:       pb.NewIPPrefix(m.state.Network.Subnet),
+						ManagementIp: pb.NewIP(m.state.Network.ManagementIP),
+						PublicKey:    m.state.Network.PublicKey,
+					},
+				},
+				StoreDbVersion: dbVersion,
+			},
+		},
+	}, nil
+}
+
 // IsNetworkReady returns true if the Docker network is ready for containers.
 func (m *Machine) IsNetworkReady() bool {
 	if !m.Initialised() {
@@ -909,6 +946,58 @@ func (m *Machine) WaitForNetworkReady(ctx context.Context) error {
 	}
 }
 
+// InspectWireGuardNetwork retrieves the current WireGuard network configuration and peer status.
+func (m *Machine) InspectWireGuardNetwork(
+	_ context.Context, _ *emptypb.Empty,
+) (*pb.InspectWireGuardNetworkResponse, error) {
+	deviceName := network.WireGuardInterfaceName
+
+	wg, err := wgctrl.New()
+	if err != nil {
+		return nil, fmt.Errorf("create WireGuard client: %w", err)
+	}
+	defer wg.Close()
+
+	dev, err := wg.Device(deviceName)
+	if err != nil {
+		return nil, fmt.Errorf("get WireGuard device '%s': %w", deviceName, err)
+	}
+
+	peers := make([]*pb.WireGuardPeer, len(dev.Peers))
+	for i, p := range dev.Peers {
+		var lastHandshake *timestamppb.Timestamp
+		if !p.LastHandshakeTime.IsZero() {
+			lastHandshake = timestamppb.New(p.LastHandshakeTime)
+		}
+
+		allowedIPs := make([]string, len(p.AllowedIPs))
+		for j, ip := range p.AllowedIPs {
+			allowedIPs[j] = ip.String()
+		}
+
+		var endpoint string
+		if p.Endpoint != nil {
+			endpoint = p.Endpoint.String()
+		}
+
+		peers[i] = &pb.WireGuardPeer{
+			PublicKey:         p.PublicKey[:],
+			Endpoint:          endpoint,
+			LastHandshakeTime: lastHandshake,
+			ReceiveBytes:      p.ReceiveBytes,
+			TransmitBytes:     p.TransmitBytes,
+			AllowedIps:        allowedIPs,
+		}
+	}
+
+	return &pb.InspectWireGuardNetworkResponse{
+		InterfaceName: dev.Name,
+		PublicKey:     dev.PublicKey[:],
+		ListenPort:    int32(dev.ListenPort),
+		Peers:         peers,
+	}, nil
+}
+
 // Reset restores the machine to a clean state, scheduling a graceful shutdown and removing all cluster-related
 // configuration and resource. The uncloud daemon will restart the machine if managed by systemd.
 func (m *Machine) Reset(_ context.Context, _ *pb.ResetRequest) (*emptypb.Empty, error) {

internal/machine/state.go

@@ -24,6 +24,9 @@ type State struct {
 	Name string
 	// Network specifies the network configuration for this machine.
 	Network *network.Config
+	// MinStoreDBVersion is the latest database version of one of the existing cluster machines at the time this machine
+	// joined the cluster. The machine should sync to at least this version before starting any cluster operations.
+	MinStoreDBVersion int64 `json:",omitempty"`
 
 	// path is the file path config is read from and saved to.
 	path string
@@ -66,7 +69,7 @@ func (c *State) Encode() ([]byte, error) {
 	return data, nil
 }
 
-// Save writes the state data to the file at the given path.
+// Save atomically writes the state data to the file at the configured path.
 func (c *State) Save() error {
 	if c.path == "" {
 		return fmt.Errorf("state path not set")
@@ -80,5 +83,37 @@ func (c *State) Save() error {
 	if err != nil {
 		return err
 	}
-	return os.WriteFile(c.path, data, 0o600)
+
+	// Write to a temporary file and rename for atomic save. CreateTemp creates a file with mode 0o600.
+	tmpFile, err := os.CreateTemp(dir, ".machine.json.*")
+	if err != nil {
+		return fmt.Errorf("create temp file: %w", err)
+	}
+	tmpPath := tmpFile.Name()
+
+	// Clean up temp file on error.
+	defer func() {
+		if err != nil {
+			os.Remove(tmpPath)
+		}
+	}()
+
+	if _, err = tmpFile.Write(data); err != nil {
+		tmpFile.Close()
+		return fmt.Errorf("write temp file: %w", err)
+	}
+	// Without fsync, the data may only be in the OS buffer cache. If the system crashes before the OS flushes
+	// it to disk, the file could be empty or corrupted even after rename.
+	if err = tmpFile.Sync(); err != nil {
+		tmpFile.Close()
+		return fmt.Errorf("sync temp file: %w", err)
+	}
+	if err = tmpFile.Close(); err != nil {
+		return fmt.Errorf("close temp file: %w", err)
+	}
+	if err = os.Rename(tmpPath, c.path); err != nil {
+		return fmt.Errorf("rename temp file: %w", err)
+	}
+
+	return nil
 }

internal/machine/store/container.go

@@ -82,7 +82,7 @@ func (s *Store) CreateOrUpdateContainer(ctx context.Context, ctr api.ServiceCont
 
 // ListContainers returns a list of container records from the store database that match the given options.
 func (s *Store) ListContainers(ctx context.Context, opts ListOptions) ([]ContainerRecord, error) {
-	q := sq.Select("container", "machine_id", "sync_status", "updated_at").From("containers").
+	q := sq.Select("id", "container", "machine_id", "sync_status", "updated_at").From("containers").
 		Where(sq.Eq{"sync_status": SyncStatusSynced})
 
 	if len(opts.MachineIDs) > 0 {
@@ -112,14 +112,23 @@ func (s *Store) ListContainers(ctx context.Context, opts ListOptions) ([]Contain
 	defer rows.Close()
 
 	var containers []ContainerRecord
-	var cJSON, machineID, syncStatus, updatedAtStr string
+	var id, cJSON, machineID, syncStatus, updatedAtStr string
 	var updatedAt time.Time
+	skipped := 0
 
 	for rows.Next() {
-		if err = rows.Scan(&cJSON, &machineID, &syncStatus, &updatedAtStr); err != nil {
+		if err = rows.Scan(&id, &cJSON, &machineID, &syncStatus, &updatedAtStr); err != nil {
 			return nil, fmt.Errorf("scan container record: %w", err)
 		}
 
+		// Skip containers with empty JSON data. This can happen during partial replication
+		// when cr-sqlite has created the row but the container column hasn't been synced yet.
+		if cJSON == "" || cJSON == "{}" {
+			slog.Debug("Skipping container with empty data in the store (partial replication?).", "id", id)
+			skipped++
+			continue
+		}
+
 		var c api.ServiceContainer
 		if err = json.Unmarshal([]byte(cJSON), &c); err != nil {
 			return nil, fmt.Errorf("unmarshal container: %w", err)
@@ -135,6 +144,11 @@ func (s *Store) ListContainers(ctx context.Context, opts ListOptions) ([]Contain
 		})
 	}
 
+	if skipped > 0 {
+		slog.Warn("Listing containers from the store skipped empty records (possibly due to partial replication).",
+			"skipped", skipped, "valid", len(containers))
+	}
+
 	return containers, nil
 }
 
@@ -166,7 +180,7 @@ func (s *Store) DeleteContainers(ctx context.Context, opts DeleteOptions) error
 // receive any values, it just signals when a container(s) has been added, updated, or deleted in the database.
 func (s *Store) SubscribeContainers(ctx context.Context) ([]ContainerRecord, <-chan struct{}, error) {
 	// TODO: figure out whether we need sync_status at all (not used at the moment).
-	q := sq.Select("container", "machine_id", "sync_status", "updated_at").From("containers").
+	q := sq.Select("id", "container", "machine_id", "sync_status", "updated_at").From("containers").
 		Where(sq.Eq{"sync_status": SyncStatusSynced})
 	query, args, err := q.ToSql()
 	if err != nil {
@@ -179,15 +193,24 @@ func (s *Store) SubscribeContainers(ctx context.Context) ([]ContainerRecord, <-c
 	}
 
 	var containers []ContainerRecord
-	var cJSON, updatedAtStr string
+	var id, cJSON, updatedAtStr string
+	skipped := 0
 
 	rows := sub.Rows()
 	for rows.Next() {
 		var cr ContainerRecord
-		if err = rows.Scan(&cJSON, &cr.MachineID, &cr.SyncStatus, &updatedAtStr); err != nil {
+		if err = rows.Scan(&id, &cJSON, &cr.MachineID, &cr.SyncStatus, &updatedAtStr); err != nil {
 			return nil, nil, err
 		}
 
+		// Skip containers with empty JSON data. This can happen during partial replication
+		// when cr-sqlite has created the row but the container column hasn't been synced yet.
+		if cJSON == "" || cJSON == "{}" {
+			slog.Debug("Skipping container with empty data in the store (partial replication?).", "id", id)
+			skipped++
+			continue
+		}
+
 		if err = json.Unmarshal([]byte(cJSON), &cr.Container); err != nil {
 			return nil, nil, fmt.Errorf("unmarshal container: %w", err)
 		}
@@ -196,6 +219,12 @@ func (s *Store) SubscribeContainers(ctx context.Context) ([]ContainerRecord, <-c
 		}
 		containers = append(containers, cr)
 	}
+
+	if skipped > 0 {
+		slog.Warn("Container subscription skipped empty records in the store (possibly due to partial replication).",
+			"skipped", skipped, "valid", len(containers))
+	}
+
 	events, err := sub.Changes()
 	if err != nil {
 		return nil, nil, fmt.Errorf("get subscription changes: %w", err)

internal/machine/store/store.go

@@ -56,6 +56,25 @@ func (s *Store) Delete(ctx context.Context, key string) error {
 	return err
 }
 
+// DBVersion returns the current cr-sqlite database version (Lamport timestamp).
+func (s *Store) DBVersion(ctx context.Context) (int64, error) {
+	rows, err := s.corro.QueryContext(ctx, "SELECT crsql_db_version()")
+	if err != nil {
+		return 0, fmt.Errorf("query crsql_db_version(): %w", err)
+	}
+	defer rows.Close()
+
+	if !rows.Next() {
+		return 0, fmt.Errorf("no result from crsql_db_version()")
+	}
+
+	var version int64
+	if err = rows.Scan(&version); err != nil {
+		return 0, fmt.Errorf("scan db version: %w", err)
+	}
+	return version, nil
+}
+
 func (s *Store) CreateMachine(ctx context.Context, m *pb.MachineInfo) error {
 	mJSON, err := protojson.Marshal(m)
 	if err != nil {
@@ -116,19 +135,29 @@ func (s *Store) GetMachine(ctx context.Context, machineID string) (*pb.MachineIn
 }
 
 func (s *Store) ListMachines(ctx context.Context) ([]*pb.MachineInfo, error) {
-	rows, err := s.corro.QueryContext(ctx, "SELECT info FROM machines ORDER BY name")
+	rows, err := s.corro.QueryContext(ctx, "SELECT id, info FROM machines ORDER BY name")
 	if err != nil {
 		return nil, err
 	}
 	defer rows.Close()
 
 	var machines []*pb.MachineInfo
+	skipped := 0
+
 	for rows.Next() {
-		var mJSON string
+		var id, mJSON string
-		if err = rows.Scan(&mJSON); err != nil {
+		if err = rows.Scan(&id, &mJSON); err != nil {
 			return nil, err
 		}
 
+		// Skip machines with empty JSON data. This can happen during partial replication
+		// when cr-sqlite has created the row but the info column hasn't been synced yet.
+		if mJSON == "" || mJSON == "{}" {
+			slog.Debug("Skipping machine with empty data in the store (partial replication?).", "id", id)
+			skipped++
+			continue
+		}
+
 		protojsonParser := protojson.UnmarshalOptions{DiscardUnknown: true}
 		var m pb.MachineInfo
 		if err = protojsonParser.Unmarshal([]byte(mJSON), &m); err != nil {
@@ -141,6 +170,12 @@ func (s *Store) ListMachines(ctx context.Context) ([]*pb.MachineInfo, error) {
 		}
 		machines = append(machines, &m)
 	}
+
+	if skipped > 0 {
+		slog.Warn("Listing machines from the store skipped empty records (possibly due to partial replication).",
+			"skipped", skipped, "valid", len(machines))
+	}
+
 	return machines, nil
 }
 
@@ -186,24 +221,41 @@ func (s *Store) DeleteMachine(ctx context.Context, id string) error {
 // SubscribeMachines returns a list of machines and a channel that signals changes to the list. The channel doesn't
 // receive any values, it just signals when a machine has been added, updated, or deleted in the database.
 func (s *Store) SubscribeMachines(ctx context.Context) ([]*pb.MachineInfo, <-chan struct{}, error) {
-	sub, err := s.corro.SubscribeContext(ctx, "SELECT info FROM machines ORDER BY name", nil, false)
+	sub, err := s.corro.SubscribeContext(ctx, "SELECT id, info FROM machines ORDER BY name", nil, false)
 	if err != nil {
 		return nil, nil, err
 	}
 
 	rows := sub.Rows()
 	var machines []*pb.MachineInfo
+	skipped := 0
+
 	for rows.Next() {
-		var mJSON string
+		var id, mJSON string
-		if err = rows.Scan(&mJSON); err != nil {
+		if err = rows.Scan(&id, &mJSON); err != nil {
 			return nil, nil, err
 		}
+
+		// Skip machines with empty JSON data. This can happen during partial replication
+		// when cr-sqlite has created the row but the info column hasn't been synced yet.
+		if mJSON == "" || mJSON == "{}" {
+			slog.Debug("Skipping machine with empty data in the store (partial replication?).", "id", id)
+			skipped++
+			continue
+		}
+
 		var m pb.MachineInfo
 		if err = protojson.Unmarshal([]byte(mJSON), &m); err != nil {
 			return nil, nil, fmt.Errorf("unmarshal machine info: %w", err)
 		}
 		machines = append(machines, &m)
 	}
+
+	if skipped > 0 {
+		slog.Warn("Machine subscription skipped empty records in the store (possibly due to partial replication).",
+			"skipped", skipped, "valid", len(machines))
+	}
+
 	events, err := sub.Changes()
 	if err != nil {
 		return nil, nil, fmt.Errorf("get subscription changes: %w", err)

internal/sshexec/sshcli.go

@@ -0,0 +1,72 @@
+package sshexec
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os/exec"
+	"strconv"
+	"strings"
+)
+
+type SSHCLIRemote struct {
+	user    string
+	host    string
+	port    int
+	keyPath string
+}
+
+func NewSSHCLIRemote(user, host string, port int, keyPath string) *SSHCLIRemote {
+	return &SSHCLIRemote{
+		user:    user,
+		host:    host,
+		port:    port,
+		keyPath: keyPath,
+	}
+}
+
+// TODO: Refactor and reuse this with buildDialArgs and buildSSHArgs from
+// SSHCLI Connector.
+func (r *SSHCLIRemote) buildSSHArgs() []string {
+	args := []string{"-o", "ConnectTimeout=5"}
+
+	if r.port != 0 && r.port != 22 {
+		args = append(args, "-p", strconv.Itoa(r.port))
+	}
+
+	if r.keyPath != "" {
+		args = append(args, "-i", r.keyPath)
+	}
+
+	args = append(args, r.user+"@"+r.host)
+	return args
+}
+
+func (r *SSHCLIRemote) Run(ctx context.Context, cmd string) (string, error) {
+	args := r.buildSSHArgs()
+	args = append(args, cmd)
+
+	execCmd := exec.CommandContext(ctx, "ssh", args...)
+	output, err := execCmd.CombinedOutput()
+	if err != nil {
+		return strings.TrimSpace(string(output)),
+			fmt.Errorf("run command on remote host: %w: %s", err, string(output))
+	}
+	return strings.TrimSpace(string(output)), nil
+}
+
+func (r *SSHCLIRemote) Stream(ctx context.Context, cmd string, stdout, stderr io.Writer) error {
+	args := r.buildSSHArgs()
+	args = append(args, cmd)
+
+	execCmd := exec.CommandContext(ctx, "ssh", args...)
+	execCmd.Stdout = stdout
+	execCmd.Stderr = stderr
+
+	return execCmd.Run()
+}
+
+// no-op as there is no persistent connection.
+func (r *SSHCLIRemote) Close() error {
+	return nil
+}

internal/sshexec/sshcli_test.go

@@ -0,0 +1,76 @@
+package sshexec
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSSHCLIRemote_buildSSHArgs(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name     string
+		user     string
+		host     string
+		port     int
+		keyPath  string
+		expected []string
+	}{
+		{
+			name:     "default port, no key",
+			user:     "root",
+			host:     "example.com",
+			port:     22,
+			keyPath:  "",
+			expected: []string{"-o", "ConnectTimeout=5", "root@example.com"},
+		},
+		{
+			name:     "custom port",
+			user:     "ubuntu",
+			host:     "192.168.1.10",
+			port:     2222,
+			keyPath:  "",
+			expected: []string{"-o", "ConnectTimeout=5", "-p", "2222", "ubuntu@192.168.1.10"},
+		},
+		{
+			name:     "with key path",
+			user:     "root",
+			host:     "example.com",
+			port:     22,
+			keyPath:  "/path/to/key",
+			expected: []string{"-o", "ConnectTimeout=5", "-i", "/path/to/key", "root@example.com"},
+		},
+		{
+			name:     "all options",
+			user:     "admin",
+			host:     "server.local",
+			port:     2222,
+			keyPath:  "~/.ssh/id_rsa",
+			expected: []string{"-o", "ConnectTimeout=5", "-p", "2222", "-i", "~/.ssh/id_rsa", "admin@server.local"},
+		},
+		{
+			name:     "port zero (default)",
+			user:     "root",
+			host:     "example.com",
+			port:     0,
+			keyPath:  "",
+			expected: []string{"-o", "ConnectTimeout=5", "root@example.com"},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			remote := &SSHCLIRemote{
+				user:    tt.user,
+				host:    tt.host,
+				port:    tt.port,
+				keyPath: tt.keyPath,
+			}
+			result := remote.buildSSHArgs()
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}

internal/ucind/cluster.go

@@ -119,17 +119,16 @@ func (p *Provisioner) CreateCluster(ctx context.Context, name string, opts Creat
 func (p *Provisioner) initCluster(ctx context.Context, machines []Machine) error {
 	// Init a new cluster on the first machine.
 	initMachine := machines[0]
-
-	if err := WaitMachineReady(ctx, initMachine, 30*time.Second); err != nil {
-		return fmt.Errorf("wait for machine %q to be ready: %w", initMachine.Name, err)
-	}
-
 	initClient, err := initMachine.Connect(ctx)
 	if err != nil {
 		return fmt.Errorf("create machine client over TCP '%s': %w", initMachine.APIAddress, err)
 	}
 	defer initClient.Close()
 
+	if err := initClient.WaitMachineReady(ctx, 30*time.Second); err != nil {
+		return fmt.Errorf("wait for machine %q to be ready: %w", initMachine.Name, err)
+	}
+
 	req := &pb.InitClusterRequest{
 		MachineName: initMachine.Name,
 		Network:     pb.NewIPPrefix(cluster.DefaultNetwork),
@@ -138,14 +137,22 @@ func (p *Provisioner) initCluster(ctx context.Context, machines []Machine) error
 	if err != nil {
 		return fmt.Errorf("init cluster: %w", err)
 	}
+
 	fmt.Printf("Cluster %q initialised with machine %q\n", initMachine.ClusterName, initResp.Machine.Name)
+	fmt.Printf("Waiting for cluster to be ready...")
+	if err = initClient.WaitClusterReady(ctx, 30*time.Second); err != nil {
+		return fmt.Errorf("wait for cluster to be ready: %w", err)
+	}
+	fmt.Println(" done.")
+
+	// Get the current store DB version from the init machine to pass to the join requests.
+	inspectResp, err := initClient.MachineClient.InspectMachine(ctx, &emptypb.Empty{})
+	if err != nil {
+		return fmt.Errorf("inspect init machine: %w", err)
+	}
 
 	// Join the rest of the machines to the cluster.
 	for _, m := range machines[1:] {
-		if err = WaitMachineReady(ctx, m, 30*time.Second); err != nil {
-			return fmt.Errorf("wait for machine %q to be ready: %w", m.Name, err)
-		}
-
 		cli, err := m.Connect(ctx)
 		if err != nil {
 			return fmt.Errorf("create machine client over TCP '%s': %w", m.APIAddress, err)
@@ -153,6 +160,10 @@ func (p *Provisioner) initCluster(ctx context.Context, machines []Machine) error
 		//goland:noinspection GoDeferInLoop
 		defer cli.Close()
 
+		if err := cli.WaitMachineReady(ctx, 30*time.Second); err != nil {
+			return fmt.Errorf("wait for machine %q to be ready: %w", m.Name, err)
+		}
+
 		tokenResp, err := cli.Token(ctx, &emptypb.Empty{})
 		if err != nil {
 			return fmt.Errorf("get machine token: %w", err)
@@ -181,8 +192,9 @@ func (p *Provisioner) initCluster(ctx context.Context, machines []Machine) error
 
 		// Configure the machine to join the cluster.
 		joinReq := &pb.JoinClusterRequest{
-			Machine:       addResp.Machine,
+			Machine:           addResp.Machine,
-			OtherMachines: []*pb.MachineInfo{initResp.Machine},
+			OtherMachines:     []*pb.MachineInfo{initResp.Machine},
+			MinStoreDbVersion: inspectResp.Machines[0].StoreDbVersion,
 		}
 		if _, err = cli.JoinCluster(ctx, joinReq); err != nil {
 			return fmt.Errorf("join cluster: %w", err)
@@ -256,16 +268,16 @@ func (p *Provisioner) InspectCluster(ctx context.Context, name string) (Cluster,
 // WaitClusterReady waits for all machines in the cluster to be ready and UP.
 func (p *Provisioner) WaitClusterReady(ctx context.Context, c Cluster, timeout time.Duration) error {
 	firstMachine := c.Machines[0]
-	if err := WaitMachineReady(ctx, firstMachine, timeout); err != nil {
-		return fmt.Errorf("wait for machine '%s' to be ready: %w", firstMachine.Name, err)
-	}
-
 	cli, err := firstMachine.Connect(ctx)
 	if err != nil {
 		return fmt.Errorf("connect to machine over TCP '%s': %w", firstMachine.APIAddress, err)
 	}
 	defer cli.Close()
 
+	if err = cli.WaitClusterReady(ctx, timeout); err != nil {
+		return fmt.Errorf("wait for cluster to be ready: %w", err)
+	}
+
 	boff := backoff.WithContext(backoff.NewExponentialBackOff(
 		backoff.WithInitialInterval(100*time.Millisecond),
 		backoff.WithMaxInterval(1*time.Second),
@@ -289,7 +301,25 @@ func (p *Provisioner) WaitClusterReady(ctx context.Context, c Cluster, timeout t
 		}
 		return nil
 	}
-	return backoff.Retry(checkMachinesUp, boff)
+	if err = backoff.Retry(checkMachinesUp, boff); err != nil {
+		return err
+	}
+
+	// Wait for each machine to sync the cluster store and be ready to serve cluster requests.
+	for _, m := range c.Machines[1:] {
+		mcli, err := m.Connect(ctx)
+		if err != nil {
+			return fmt.Errorf("connect to machine over TCP '%s': %w", m.APIAddress, err)
+		}
+		//goland:noinspection GoDeferInLoop
+		defer mcli.Close()
+
+		if err = mcli.WaitClusterReady(ctx, timeout); err != nil {
+			return fmt.Errorf("wait for cluster to be ready on machine '%s': %w", m.Name, err)
+		}
+	}
+
+	return nil
 }
 
 func (p *Provisioner) RemoveCluster(ctx context.Context, name string) error {

internal/ucind/machine.go

@@ -9,7 +9,6 @@ import (
 	"net/netip"
 	"time"
 
-	"github.com/cenkalti/backoff/v4"
 	"github.com/containerd/errdefs"
 	"github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/api/types/image"
@@ -17,7 +16,6 @@ import (
 	"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"
 )
 
 const (
@@ -194,26 +192,3 @@ func randomMachineName() (string, error) {
 	}
 	return "machine-" + suffix, nil
 }
-
-// WaitMachineReady waits for the machine API to respond.
-func WaitMachineReady(ctx context.Context, m Machine, timeout time.Duration) error {
-	cli, err := m.Connect(ctx)
-	if err != nil {
-		return fmt.Errorf("connect to machine over TCP '%s': %w", m.APIAddress, err)
-	}
-	defer cli.Close()
-
-	boff := backoff.WithContext(backoff.NewExponentialBackOff(
-		backoff.WithInitialInterval(100*time.Millisecond),
-		backoff.WithMaxInterval(10*time.Second),
-		backoff.WithMaxElapsedTime(timeout),
-	), ctx)
-
-	inspect := func() error {
-		if _, err := cli.Inspect(ctx, &emptypb.Empty{}); err != nil {
-			return fmt.Errorf("inspect machine: %w", err)
-		}
-		return nil
-	}
-	return backoff.Retry(inspect, boff)
-}

misc/user_guide.md

@@ -22,7 +22,7 @@ Uncloud stores its configuration in `~/.config/uncloud/config.yaml`. If you wish
 
 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`. If you want to avoid using uncloud's managed DNS service, add the `--no-dns` flag.
 
-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`.
+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].uncld.dev`.
 
 If you wish to uninstall Uncloud and its components, run `uncloud-uninstall`.
 

pkg/api/client.go

@@ -2,13 +2,10 @@ package api
 
 import (
 	"context"
-	"fmt"
-	"strings"
 
 	"github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/api/types/volume"
 	"github.com/psviderski/uncloud/internal/machine/api/pb"
-	"google.golang.org/grpc/metadata"
 )
 
 type Client interface {
@@ -51,6 +48,8 @@ type ServiceClient interface {
 	RunService(ctx context.Context, spec ServiceSpec) (RunServiceResponse, error)
 	InspectService(ctx context.Context, id string) (Service, error)
 	RemoveService(ctx context.Context, id string) error
+	StopService(ctx context.Context, id string, opts container.StopOptions) error
+	StartService(ctx context.Context, id string) error
 }
 
 type VolumeClient interface {
@@ -58,41 +57,3 @@ type VolumeClient interface {
 	ListVolumes(ctx context.Context, filter *VolumeFilter) ([]MachineVolume, error)
 	RemoveVolume(ctx context.Context, machineNameOrID, volumeName string, force bool) 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, MachineMembersList, error) {
-	// TODO: move the machine IP resolution to the proxy router to allow setting machine names and IDs in the metadata.
-	machines, err := cli.ListMachines(ctx, nil)
-	if err != nil {
-		return nil, nil, fmt.Errorf("list machines: %w", err)
-	}
-
-	var proxiedMachines MachineMembersList
-	var notFound []string
-	for _, nameOrID := range namesOrIDs {
-		if m := machines.FindByNameOrID(nameOrID); m != nil {
-			proxiedMachines = append(proxiedMachines, m)
-		} else {
-			notFound = append(notFound, nameOrID)
-		}
-	}
-
-	if len(notFound) > 0 {
-		return nil, nil, fmt.Errorf("machines not found: %s", strings.Join(notFound, ", "))
-	}
-
-	if len(namesOrIDs) == 0 {
-		proxiedMachines = machines
-	}
-
-	md := metadata.New(nil)
-	for _, m := range proxiedMachines {
-		machineIP, _ := m.Machine.Network.ManagementIp.ToAddr()
-		md.Append("machines", machineIP.String())
-	}
-
-	return metadata.NewOutgoingContext(ctx, md), proxiedMachines, nil
-}

pkg/api/config.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"sort"
 	"strconv"
 )
 
@@ -98,6 +99,76 @@ func (c *ConfigMount) Validate() error {
 	return nil
 }
 
+// Compare compares this ConfigMount with another.
+// Returns:
+//
+//	-1 if c < other
+//	 0 if c == other
+//	+1 if c > other
+func (c *ConfigMount) Compare(other *ConfigMount) int {
+	if c.ConfigName != other.ConfigName {
+		if c.ConfigName < other.ConfigName {
+			return -1
+		}
+		return 1
+	}
+	if c.ContainerPath != other.ContainerPath {
+		if c.ContainerPath < other.ContainerPath {
+			return -1
+		}
+		return 1
+	}
+	if c.Uid != other.Uid {
+		if c.Uid < other.Uid {
+			return -1
+		}
+		return 1
+	}
+	if c.Gid != other.Gid {
+		if c.Gid < other.Gid {
+			return -1
+		}
+		return 1
+	}
+	// Compare Mode (handle nil cases)
+	if c.Mode == nil && other.Mode != nil {
+		return -1
+	}
+	if c.Mode != nil && other.Mode == nil {
+		return 1
+	}
+	if c.Mode != nil && other.Mode != nil {
+		if *c.Mode < *other.Mode {
+			return -1
+		}
+		if *c.Mode > *other.Mode {
+			return 1
+		}
+	}
+	return 0
+}
+
+// Equals compares two ConfigMount instances for equality.
+func (c *ConfigMount) Equals(other *ConfigMount) bool {
+	return c.Compare(other) == 0
+}
+
+func (c *ConfigMount) Clone() ConfigMount {
+	clone := *c
+	if c.Mode != nil {
+		mode := *c.Mode
+		clone.Mode = &mode
+	}
+	return clone
+}
+
+// sortConfigMounts sorts a slice of ConfigMount instances.
+func sortConfigMounts(mounts []ConfigMount) {
+	sort.Slice(mounts, func(i, j int) bool {
+		return mounts[i].Compare(&mounts[j]) < 0
+	})
+}
+
 // ValidateConfigsAndMounts takes config specs and config mounts and validates that all mounts refer to existing specs
 func ValidateConfigsAndMounts(configs []ConfigSpec, mounts []ConfigMount) error {
 	configMap := make(map[string]struct{})

pkg/api/container.go

@@ -135,6 +135,10 @@ func (c *Container) UnmarshalJSON(data []byte) error {
 	}
 
 	*c = Container(temp)
+	if c.ContainerJSONBase == nil {
+		return fmt.Errorf("container data is missing mandatory base fields: %s", data)
+	}
+
 	c.Name = strings.TrimPrefix(c.Name, "/")
 
 	return nil

pkg/api/logs.go

@@ -0,0 +1,87 @@
+package api
+
+import (
+	"errors"
+	"time"
+
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+)
+
+const (
+	LogStreamUnknown LogStreamType = iota
+	LogStreamStdout
+	LogStreamStderr
+	// LogStreamHeartbeat represents a heartbeat log entry with a timestamp indicating that
+	// there are no older logs than this timestamp.
+	LogStreamHeartbeat
+)
+
+type LogStreamType int
+
+// LogStreamTypeFromProto converts a protobuf ContainerLogEntry.StreamType to the internal LogStreamType.
+func LogStreamTypeFromProto(s pb.ContainerLogEntry_StreamType) LogStreamType {
+	switch s {
+	case pb.ContainerLogEntry_STDOUT:
+		return LogStreamStdout
+	case pb.ContainerLogEntry_STDERR:
+		return LogStreamStderr
+	case pb.ContainerLogEntry_HEARTBEAT:
+		return LogStreamHeartbeat
+	default:
+		return LogStreamUnknown
+	}
+}
+
+// LogStreamTypeToProto converts LogStreamType to protobuf ContainerLogEntry.StreamType.
+func LogStreamTypeToProto(s LogStreamType) pb.ContainerLogEntry_StreamType {
+	switch s {
+	case LogStreamStdout:
+		return pb.ContainerLogEntry_STDOUT
+	case LogStreamStderr:
+		return pb.ContainerLogEntry_STDERR
+	case LogStreamHeartbeat:
+		return pb.ContainerLogEntry_HEARTBEAT
+	default:
+		return pb.ContainerLogEntry_UNKNOWN
+	}
+}
+
+// ServiceLogsOptions specifies parameters for ServiceLogs.
+type ServiceLogsOptions struct {
+	Follow bool
+	Tail   int
+	Since  string
+	Until  string
+	// Machines filters logs to only include containers running on the specified machines (names or IDs).
+	// If empty, logs from all machines are included.
+	Machines []string
+}
+
+// ServiceLogEntry represents a single log entry from a service container.
+type ServiceLogEntry struct {
+	// Metadata may not be set if an error occurred (Err is not nil).
+	Metadata ServiceLogEntryMetadata
+	ContainerLogEntry
+}
+
+// ServiceLogEntryMetadata contains metadata about the source of a log entry.
+type ServiceLogEntryMetadata struct {
+	ServiceID   string
+	ServiceName string
+	ContainerID string
+	MachineID   string
+	MachineName string
+}
+
+// ContainerLogEntry represents a single log entry from a container.
+type ContainerLogEntry struct {
+	Stream    LogStreamType
+	Timestamp time.Time
+	Message   []byte
+	// Err indicates that an error occurred while streaming logs from a container.
+	// Other fields are not set if Err is not nil.
+	Err error
+}
+
+// ErrLogStreamStalled indicates that a log stream stopped sending data and may be unresponsive.
+var ErrLogStreamStalled = errors.New("log stream stopped responding")

pkg/api/service.go

@@ -8,6 +8,7 @@ import (
 	"slices"
 	"strings"
 
+	mapset "github.com/deckarep/golang-set/v2"
 	"github.com/distribution/reference"
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
@@ -224,6 +225,10 @@ func (s *ServiceSpec) Clone() ServiceSpec {
 // 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 {
+	// Specifies which additional capabilities should be added for the container.
+	CapAdd []string
+	// Specifies which capabilities should be dropped from the container.
+	CapDrop []string
 	// 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.
@@ -242,6 +247,8 @@ type ContainerSpec struct {
 	PullPolicy string
 	// Resource allocation for the container.
 	Resources ContainerResources
+	// Namespaced kernel parameters to be set in container
+	Sysctls map[string]string
 	// User overrides the default user of the image used to run the container. Format: user|UID[:group|GID].
 	User string
 	// VolumeMounts specifies how volumes are mounted into the container filesystem.
@@ -289,18 +296,32 @@ func (s *ContainerSpec) Equals(spec ContainerSpec) bool {
 	orig := s.SetDefaults()
 	spec = spec.SetDefaults()
 
+	// Volumes
 	slices.Sort(orig.Volumes)
 	slices.Sort(spec.Volumes)
 
+	// Volume mounts
 	sortVolumeMounts(orig.VolumeMounts)
 	sortVolumeMounts(spec.VolumeMounts)
 
+	// Config mounts
+	sortConfigMounts(orig.ConfigMounts)
+	sortConfigMounts(spec.ConfigMounts)
+
 	return cmp.Equal(orig, spec, cmpopts.EquateEmpty())
 }
 
 func (s *ContainerSpec) Clone() ContainerSpec {
 	spec := *s
 
+	if s.CapAdd != nil {
+		spec.CapAdd = make([]string, len(s.CapAdd))
+		copy(spec.CapAdd, s.CapAdd)
+	}
+	if s.CapDrop != nil {
+		spec.CapDrop = make([]string, len(s.CapDrop))
+		copy(spec.CapDrop, s.CapDrop)
+	}
 	if s.Command != nil {
 		spec.Command = make([]string, len(s.Command))
 		copy(spec.Command, s.Command)
@@ -316,6 +337,12 @@ func (s *ContainerSpec) Clone() ContainerSpec {
 		}
 		spec.LogDriver = &logDriver
 	}
+	if s.Env != nil {
+		spec.Env = make(EnvVars, len(s.Env))
+		for k, v := range s.Env {
+			spec.Env[k] = v
+		}
+	}
 	if s.Volumes != nil {
 		spec.Volumes = make([]string, len(s.Volumes))
 		copy(spec.Volumes, s.Volumes)
@@ -324,7 +351,18 @@ func (s *ContainerSpec) Clone() ContainerSpec {
 		spec.VolumeMounts = make([]VolumeMount, len(s.VolumeMounts))
 		copy(spec.VolumeMounts, s.VolumeMounts)
 	}
-
+	if s.ConfigMounts != nil {
+		spec.ConfigMounts = make([]ConfigMount, len(s.ConfigMounts))
+		for i, cm := range s.ConfigMounts {
+			spec.ConfigMounts[i] = cm.Clone()
+		}
+	}
+	if s.Sysctls != nil {
+		spec.Sysctls = make(map[string]string, len(s.Sysctls))
+		for k, v := range s.Sysctls {
+			spec.Sysctls[k] = v
+		}
+	}
 	return spec
 }
 
@@ -366,6 +404,16 @@ type MachineServiceContainer struct {
 	Container ServiceContainer
 }
 
+// MachineIDs returns a list of unique machine IDs where the service containers are running.
+func (s *Service) MachineIDs() []string {
+	ids := mapset.NewSet[string]()
+	for _, mc := range s.Containers {
+		ids.Add(mc.MachineID)
+	}
+
+	return ids.ToSlice()
+}
+
 // Images returns a sorted list of unique images used by the service containers.
 func (s *Service) Images() []string {
 	images := make(map[string]struct{})

pkg/api/service_test.go

@@ -1,11 +1,19 @@
 package api
 
 import (
+	"os"
 	"testing"
 
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
+// boolPtr is a convenience function to create a pointer to a uint64 value
+// TODO: Make this a generic function that works for any type
+func boolPtr(b bool) *bool {
+	return &b
+}
+
 func TestServiceSpec_Validate_CaddyAndPorts(t *testing.T) {
 	tests := []struct {
 		name    string
@@ -197,3 +205,89 @@ func TestServiceSpec_Validate_CaddyAndPorts(t *testing.T) {
 		})
 	}
 }
+
+func TestContainerSpec_Clone(t *testing.T) {
+	mode := os.FileMode(0o644)
+	original := ContainerSpec{
+		CapAdd:     []string{"NET_ADMIN"},
+		CapDrop:    []string{"ALL"},
+		Command:    []string{"sh", "-c", "echo hello"},
+		Entrypoint: []string{"/bin/bash"},
+		Env: EnvVars{
+			"FOO": "bar",
+			"BAZ": "qux",
+		},
+		Image: "nginx:latest",
+		Init:  boolPtr(true),
+		LogDriver: &LogDriver{
+			Name: "json-file",
+			Options: map[string]string{
+				"max-size": "10m",
+			},
+		},
+		Privileged: true,
+		PullPolicy: PullPolicyAlways,
+		Resources: ContainerResources{
+			CPU:               1234,
+			Memory:            2345,
+			MemoryReservation: 3456,
+		},
+		Sysctls: map[string]string{
+			"net.ipv4.ip_forward": "1",
+		},
+		User:    "1000:1000",
+		Volumes: []string{"/data", "/config"},
+		VolumeMounts: []VolumeMount{
+			{VolumeName: "data", ContainerPath: "/data"},
+		},
+		ConfigMounts: []ConfigMount{
+			{ConfigName: "app-config", ContainerPath: "/etc/config", Mode: &mode},
+		},
+	}
+
+	cloned := original.Clone()
+
+	// Check ContainerSpec equality
+	assert.True(t, original.Equals(cloned))
+
+	// Verify deep copy by modifying the original
+	stringModified := "modified"
+	original.CapAdd[0] = stringModified
+	original.CapDrop[0] = stringModified
+	original.Command[0] = stringModified
+	original.Entrypoint[0] = stringModified
+	original.Env["FOO"] = stringModified
+	original.LogDriver.Options["max-size"] = stringModified
+	original.Volumes[0] = stringModified
+	original.VolumeMounts[0].ContainerPath = stringModified
+	original.ConfigMounts[0].ContainerPath = stringModified
+	*original.ConfigMounts[0].Mode = 0o755 // Modify the Mode pointer value
+	original.Sysctls["net.ipv4.ip_forward"] = stringModified
+
+	assert.False(t, original.Equals(cloned))
+	// Assert cloned values are unchanged
+	assert.Equal(t, "NET_ADMIN", cloned.CapAdd[0])
+	assert.Equal(t, "ALL", cloned.CapDrop[0])
+	assert.Equal(t, "sh", cloned.Command[0])
+	assert.Equal(t, "/bin/bash", cloned.Entrypoint[0])
+	assert.Equal(t, "bar", cloned.Env["FOO"])
+	assert.Equal(t, "qux", cloned.Env["BAZ"])
+	assert.Equal(t, "nginx:latest", cloned.Image)
+	assert.NotNil(t, cloned.Init)
+	assert.Equal(t, true, *cloned.Init)
+	assert.NotNil(t, cloned.LogDriver)
+	assert.Equal(t, "json-file", cloned.LogDriver.Name)
+	assert.Equal(t, "10m", cloned.LogDriver.Options["max-size"])
+	assert.Equal(t, true, cloned.Privileged)
+	assert.Equal(t, PullPolicyAlways, cloned.PullPolicy)
+	assert.Equal(t, int64(1234), cloned.Resources.CPU)
+	assert.Equal(t, int64(2345), cloned.Resources.Memory)
+	assert.Equal(t, int64(3456), cloned.Resources.MemoryReservation)
+	assert.Equal(t, "1000:1000", cloned.User)
+	assert.Equal(t, "/data", cloned.Volumes[0])
+	assert.Equal(t, "/data", cloned.VolumeMounts[0].ContainerPath)
+	assert.Equal(t, "/etc/config", cloned.ConfigMounts[0].ContainerPath)
+	assert.NotNil(t, cloned.ConfigMounts[0].Mode)
+	assert.Equal(t, os.FileMode(0o644), *cloned.ConfigMounts[0].Mode, "Mode should be deep copied")
+	assert.Equal(t, "1", cloned.Sysctls["net.ipv4.ip_forward"])
+}

pkg/api/volume.go

@@ -83,6 +83,9 @@ func (v *VolumeSpec) SetDefaults() VolumeSpec {
 		if spec.VolumeOptions.Name == "" {
 			spec.VolumeOptions.Name = spec.Name
 		}
+		if spec.VolumeOptions.Driver != nil && spec.VolumeOptions.Driver.Name == "" {
+			spec.VolumeOptions.Driver.Name = VolumeDriverLocal
+		}
 	}
 	// TODO: set explicit default values for Propagation and Recursive for bind mounts?
 

pkg/api/volume_test.go

@@ -0,0 +1,142 @@
+package api
+
+import (
+	"testing"
+
+	"github.com/docker/docker/api/types/mount"
+	"github.com/docker/docker/api/types/volume"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestVolumeSpec_MatchesDockerVolume(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name     string
+		spec     VolumeSpec
+		vol      volume.Volume
+		expected bool
+	}{
+		{
+			name: "match with explicit local driver",
+			spec: VolumeSpec{
+				Type: VolumeTypeVolume,
+				VolumeOptions: &VolumeOptions{
+					Driver: &mount.Driver{
+						Name: "local",
+						Options: map[string]string{
+							"foo": "bar",
+						},
+					},
+				},
+			},
+			vol: volume.Volume{
+				Driver: "local",
+				Options: map[string]string{
+					"foo": "bar",
+				},
+			},
+			expected: true,
+		},
+		{
+			name: "match with empty driver name in spec (implicit local)",
+			spec: VolumeSpec{
+				Type: VolumeTypeVolume,
+				VolumeOptions: &VolumeOptions{
+					Driver: &mount.Driver{
+						Name: "", // Implicitly local
+						Options: map[string]string{
+							"foo": "bar",
+						},
+					},
+				},
+			},
+			vol: volume.Volume{
+				Driver: "local",
+				Options: map[string]string{
+					"foo": "bar",
+				},
+			},
+			expected: true,
+		},
+		{
+			name: "non-match with different driver options",
+			spec: VolumeSpec{
+				Type: VolumeTypeVolume,
+				VolumeOptions: &VolumeOptions{
+					Driver: &mount.Driver{
+						Name: "local",
+						Options: map[string]string{
+							"foo": "baz",
+						},
+					},
+				},
+			},
+			vol: volume.Volume{
+				Driver: "local",
+				Options: map[string]string{
+					"foo": "bar",
+				},
+			},
+			expected: false,
+		},
+		{
+			name: "non-match with different driver name",
+			spec: VolumeSpec{
+				Type: VolumeTypeVolume,
+				VolumeOptions: &VolumeOptions{
+					Driver: &mount.Driver{
+						Name: "custom",
+						Options: map[string]string{
+							"foo": "bar",
+						},
+					},
+				},
+			},
+			vol: volume.Volume{
+				Driver: "local",
+				Options: map[string]string{
+					"foo": "bar",
+				},
+			},
+			expected: false,
+		},
+		{
+			name: "match external volume without driver by name only",
+			spec: VolumeSpec{
+				Name: "external",
+				Type: VolumeTypeVolume,
+			},
+			vol: volume.Volume{
+				Name:   "external",
+				Driver: "local",
+				Options: map[string]string{
+					"foo": "bar",
+				},
+			},
+			expected: true,
+		},
+		{
+			name: "non-match external volume by name",
+			spec: VolumeSpec{
+				Name: "unknown",
+				Type: VolumeTypeVolume,
+			},
+			vol: volume.Volume{
+				Name:   "external",
+				Driver: "local",
+				Options: map[string]string{
+					"foo": "bar",
+				},
+			},
+			expected: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			matches := tt.spec.MatchesDockerVolume(tt.vol)
+			assert.Equal(t, tt.expected, matches)
+		})
+	}
+}

pkg/client/caddy.go

@@ -71,6 +71,13 @@ func (cli *Client) NewCaddyDeployment(image, config string, placement api.Placem
 				Protocol:      api.ProtocolTCP,
 				Mode:          api.PortModeHost,
 			},
+			// Needed for HTTP/3 (QUIC)
+			{
+				PublishedPort: 443,
+				ContainerPort: 443,
+				Protocol:      api.ProtocolUDP,
+				Mode:          api.PortModeHost,
+			},
 		},
 		Volumes: []api.VolumeSpec{
 			{

pkg/client/client.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"strings"
 
 	"github.com/docker/cli/cli/streams"
 	"github.com/psviderski/uncloud/internal/machine/api/pb"
@@ -76,3 +77,41 @@ func proxyToMachine(ctx context.Context, machine *pb.MachineInfo) context.Contex
 	md := metadata.Pairs("machines", machineIP.String())
 	return metadata.NewOutgoingContext(ctx, md)
 }
+
+// ProxyMachinesContext returns a new context that proxies gRPC requests to the specified machines.
+// If namesOrIDs is nil, all machines are included.
+func (cli *Client) ProxyMachinesContext(
+	ctx context.Context, namesOrIDs []string,
+) (context.Context, api.MachineMembersList, error) {
+	// TODO: move the machine IP resolution to the proxy router to allow setting machine names and IDs in the metadata.
+	machines, err := cli.ListMachines(ctx, nil)
+	if err != nil {
+		return nil, nil, fmt.Errorf("list machines: %w", err)
+	}
+
+	var proxiedMachines api.MachineMembersList
+	var notFound []string
+	for _, nameOrID := range namesOrIDs {
+		if m := machines.FindByNameOrID(nameOrID); m != nil {
+			proxiedMachines = append(proxiedMachines, m)
+		} else {
+			notFound = append(notFound, nameOrID)
+		}
+	}
+
+	if len(notFound) > 0 {
+		return nil, nil, fmt.Errorf("machines not found: %s", strings.Join(notFound, ", "))
+	}
+
+	if len(namesOrIDs) == 0 {
+		proxiedMachines = machines
+	}
+
+	md := metadata.New(nil)
+	for _, m := range proxiedMachines {
+		machineIP, _ := m.Machine.Network.ManagementIp.ToAddr()
+		md.Append("machines", machineIP.String())
+	}
+
+	return metadata.NewOutgoingContext(ctx, md), proxiedMachines, nil
+}

pkg/client/compose/caddy_test.go

@@ -1,8 +1,11 @@
 package compose
 
 import (
+	"context"
+	"os"
 	"testing"
 
+	composecli "github.com/compose-spec/compose-go/v2/cli"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
@@ -178,7 +181,15 @@ services:
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			project, err := loadProjectFromContent(t, tt.composeYAML)
+			// Get current working directory for relative path resolution to testdata directory.
+			wd, err := os.Getwd()
+			require.NoError(t, err)
+
+			project, err := LoadProjectFromContent(
+				context.Background(),
+				tt.composeYAML,
+				composecli.WithWorkingDirectory(wd),
+			)
 
 			if tt.wantErr != "" {
 				require.ErrorContains(t, err, tt.wantErr)

pkg/client/compose/config.go

@@ -13,18 +13,27 @@ import (
 func configSpecsFromCompose(
 	configs types.Configs, serviceConfigs []types.ServiceConfigObjConfig, workingDir string,
 ) ([]api.ConfigSpec, []api.ConfigMount, error) {
-	var configSpecs []api.ConfigSpec
 	var configMounts []api.ConfigMount
 
+	// Temporary map to hold config specs
+	configSpecsMap := make(map[string]api.ConfigSpec)
+
+	// We iterate over all service config objects (config mounts)
 	for _, serviceConfig := range serviceConfigs {
 		var spec api.ConfigSpec
 
-		if projectConfig, exists := configs[serviceConfig.Source]; exists {
+		projectConfig, exists := configs[serviceConfig.Source]
-			if projectConfig.External {
+		if !exists {
-				return nil, nil, fmt.Errorf("external configs are not supported: %s",
+			return nil, nil, fmt.Errorf("config '%s' not found in project configs", serviceConfig.Source)
-					serviceConfig.Source)
+		}
-			}
 
+		if projectConfig.External {
+			return nil, nil, fmt.Errorf("external configs are not supported: %s",
+				serviceConfig.Source)
+		}
+
+		spec, exists = configSpecsMap[serviceConfig.Source]
+		if !exists {
 			spec = api.ConfigSpec{
 				Name:    serviceConfig.Source,
 				Content: []byte(projectConfig.Content),
@@ -44,11 +53,9 @@ func configSpecsFromCompose(
 				}
 				spec.Content = fileContent
 			}
-		} else {
-			return nil, nil, fmt.Errorf("config '%s' not found in project configs", serviceConfig.Source)
-		}
 
-		configSpecs = append(configSpecs, spec)
+			configSpecsMap[serviceConfig.Source] = spec
+		}
 
 		// Create config mount
 		target := serviceConfig.Target
@@ -71,5 +78,11 @@ func configSpecsFromCompose(
 		configMounts = append(configMounts, mount)
 	}
 
+	var configSpecs []api.ConfigSpec
+	// Convert config spec map to slice
+	for _, spec := range configSpecsMap {
+		configSpecs = append(configSpecs, spec)
+	}
+
 	return configSpecs, configMounts, nil
 }

pkg/client/compose/config_test.go

@@ -77,6 +77,147 @@ func TestConfigSpecsFromCompose(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "same source mounted to different targets",
+			configs: types.Configs{
+				"shared-config": types.ConfigObjConfig{
+					File: "testdata/config1.txt",
+				},
+			},
+			serviceConfigs: []types.ServiceConfigObjConfig{
+				{
+					Source: "shared-config",
+					Target: "/app/config.json",
+					UID:    "1000",
+					GID:    "1000",
+				},
+				{
+					Source: "shared-config",
+					Target: "/backup/config.json",
+					UID:    "1001",
+					GID:    "1001",
+				},
+			},
+			expectedSpecs: []api.ConfigSpec{
+				{
+					Name:    "shared-config",
+					Content: []byte("test config content\n"),
+				},
+			},
+			expectedMounts: []api.ConfigMount{
+				{
+					ConfigName:    "shared-config",
+					ContainerPath: "/app/config.json",
+					Uid:           "1000",
+					Gid:           "1000",
+				},
+				{
+					ConfigName:    "shared-config",
+					ContainerPath: "/backup/config.json",
+					Uid:           "1001",
+					Gid:           "1001",
+				},
+			},
+		},
+		{
+			name: "config with default target path",
+			configs: types.Configs{
+				"default-config": types.ConfigObjConfig{
+					Content: "inline config content",
+				},
+			},
+			serviceConfigs: []types.ServiceConfigObjConfig{
+				{
+					Source: "default-config",
+					// No Target specified - should use default
+				},
+			},
+			expectedSpecs: []api.ConfigSpec{
+				{
+					Name:    "default-config",
+					Content: []byte("inline config content"),
+				},
+			},
+			expectedMounts: []api.ConfigMount{
+				{
+					ConfigName:    "default-config",
+					ContainerPath: "/default-config",
+				},
+			},
+		},
+		{
+			name: "config with inline content",
+			configs: types.Configs{
+				"inline-config": types.ConfigObjConfig{
+					Content: "server {\n  listen 80;\n}",
+				},
+			},
+			serviceConfigs: []types.ServiceConfigObjConfig{
+				{
+					Source: "inline-config",
+					Target: "/etc/nginx/sites-available/default",
+					Mode:   func() *types.FileMode { m := types.FileMode(0o755); return &m }(),
+				},
+			},
+			expectedSpecs: []api.ConfigSpec{
+				{
+					Name:    "inline-config",
+					Content: []byte("server {\n  listen 80;\n}"),
+				},
+			},
+			expectedMounts: []api.ConfigMount{
+				{
+					ConfigName:    "inline-config",
+					ContainerPath: "/etc/nginx/sites-available/default",
+					Mode:          func() *os.FileMode { m := os.FileMode(0o755); return &m }(),
+				},
+			},
+		},
+		{
+			name: "config not found error",
+			configs: types.Configs{
+				"existing-config": types.ConfigObjConfig{
+					Content: "some content",
+				},
+			},
+			serviceConfigs: []types.ServiceConfigObjConfig{
+				{
+					Source: "missing-config",
+					Target: "/app/config.json",
+				},
+			},
+			expectError: true,
+		},
+		{
+			name: "external config error",
+			configs: types.Configs{
+				"external-config": types.ConfigObjConfig{
+					External: true,
+				},
+			},
+			serviceConfigs: []types.ServiceConfigObjConfig{
+				{
+					Source: "external-config",
+					Target: "/app/config.json",
+				},
+			},
+			expectError: true,
+		},
+		{
+			name: "file not found error",
+			configs: types.Configs{
+				"missing-file-config": types.ConfigObjConfig{
+					File: "testdata/nonexistent.txt",
+				},
+			},
+			serviceConfigs: []types.ServiceConfigObjConfig{
+				{
+					Source: "missing-file-config",
+					Target: "/app/config.json",
+				},
+			},
+			expectError: true,
+		},
 	}
 
 	for _, tt := range tests {

pkg/client/compose/deploy.go

@@ -49,10 +49,6 @@ func NewDeploymentWithStrategy(ctx context.Context, cli Client, project *types.P
 		ClusterDomain: domain,
 	}
 
-	if strategy == nil {
-		strategy = &deploy.RollingStrategy{State: state}
-	}
-
 	return &Deployment{
 		Client:       cli,
 		Project:      project,
@@ -88,6 +84,7 @@ func (d *Deployment) Plan(ctx context.Context) (deploy.SequenceOperation, error)
 	}
 
 	// Check external volumes and plan the creation of missing volumes before deploying services.
+	// Updates the cluster state (d.state) with the scheduled volumes.
 	volumeOps, err := d.planVolumes(serviceSpecs)
 	if err != nil {
 		return plan, err
@@ -98,8 +95,8 @@ func (d *Deployment) Plan(ctx context.Context) (deploy.SequenceOperation, error)
 
 	for _, spec := range serviceSpecs {
 		// TODO: properly handle depends_on conditions in the service deployment plan as the first operation.
-		// Pass the update cluster state with scheduled volumes to the deployment.
+		// Pass the updated cluster state with the scheduled volumes to the deployment.
-		deployment := deploy.NewDeployment(d.Client, spec, d.Strategy)
+		deployment := deploy.NewDeploymentWithClusterState(d.Client, spec, d.Strategy, d.state)
 		servicePlan, err := deployment.Plan(ctx)
 		if err != nil {
 			return plan, fmt.Errorf("create deployment plan for service '%s': %w", spec.Name, err)

pkg/client/compose/port_test.go

@@ -1,6 +1,7 @@
 package compose
 
 import (
+	"context"
 	"net/netip"
 	"testing"
 
@@ -301,7 +302,7 @@ services:
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
 
-			project, err := loadProjectFromContent(t, tt.content)
+			project, err := LoadProjectFromContent(context.Background(), tt.content)
 			if tt.wantErr != "" {
 				require.Error(t, err)
 				assert.Contains(t, err.Error(), tt.wantErr)
@@ -375,7 +376,7 @@ services:
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
 
-			project, err := loadProjectFromContent(t, tt.content)
+			project, err := LoadProjectFromContent(context.Background(), tt.content)
 			require.NoError(t, err)
 
 			service, err := project.GetService("web")
@@ -402,7 +403,7 @@ services:
       - "9090:9090/tcp@host"
 `
 
-	project, err := loadProjectFromContent(t, content)
+	project, err := LoadProjectFromContent(context.Background(), content)
 	require.NoError(t, err)
 
 	service, err := project.GetService("web")

pkg/client/compose/project.go

@@ -3,12 +3,15 @@ package compose
 import (
 	"context"
 	"fmt"
+	"os"
+	"path/filepath"
 	"strings"
 
 	composecli "github.com/compose-spec/compose-go/v2/cli"
 	"github.com/compose-spec/compose-go/v2/types"
 )
 
+// LoadProject loads a Compose project from the default locations or the given paths.
 func LoadProject(ctx context.Context, paths []string, opts ...composecli.ProjectOptionsFn) (*types.Project, error) {
 	defaultOpts := []composecli.ProjectOptionsFn{
 		// First apply os.Environment, always wins.
@@ -61,6 +64,26 @@ func LoadProject(ctx context.Context, paths []string, opts ...composecli.Project
 	return project, nil
 }
 
+// LoadProjectFromContent loads a Compose project from the given YAML content.
+func LoadProjectFromContent(
+	ctx context.Context, content string, opts ...composecli.ProjectOptionsFn,
+) (*types.Project, error) {
+	// Create a temporary directory for the compose file.
+	tmpDir, err := os.MkdirTemp("", "uncloud-compose-*")
+	if err != nil {
+		return nil, fmt.Errorf("create temporary directory: %w", err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	// Write the YAML content to compose.yaml in the temporary directory.
+	composePath := filepath.Join(tmpDir, "compose.yaml")
+	if err := os.WriteFile(composePath, []byte(content), 0o644); err != nil {
+		return nil, fmt.Errorf("write compose file: %w", err)
+	}
+
+	return LoadProject(ctx, []string{composePath}, opts...)
+}
+
 // removeProjectPrefixFromNames removes the project name prefix from volume names.
 func removeProjectPrefixFromNames(project *types.Project) {
 	prefix := project.Name + "_"

pkg/client/compose/service.go

@@ -43,6 +43,8 @@ func ServiceSpecFromCompose(project *types.Project, serviceName string) (api.Ser
 
 	spec := api.ServiceSpec{
 		Container: api.ContainerSpec{
+			CapAdd:     service.CapAdd,
+			CapDrop:    service.CapDrop,
 			Command:    service.Command,
 			Entrypoint: service.Entrypoint,
 			Env:        env,
@@ -51,6 +53,7 @@ func ServiceSpecFromCompose(project *types.Project, serviceName string) (api.Ser
 			Privileged: service.Privileged,
 			PullPolicy: pullPolicy,
 			Resources:  resourcesFromCompose(service),
+			Sysctls:    service.Sysctls,
 			User:       service.User,
 		},
 		Name: serviceName,
@@ -249,7 +252,7 @@ func dockerVolumeSpecFromCompose(serviceVolume types.ServiceVolumeConfig, volume
 	}
 
 	if !volume.External {
-		if volume.Driver != "" {
+		if volume.Driver != "" || len(volume.DriverOpts) > 0 {
 			spec.VolumeOptions.Driver = &mount.Driver{
 				Name:    volume.Driver,
 				Options: volume.DriverOpts,

pkg/client/compose/service_test.go

@@ -3,13 +3,13 @@ package compose
 import (
 	"context"
 	"net/netip"
+	"os"
 	"path/filepath"
 	"slices"
 	"strings"
 	"testing"
 
-	"github.com/compose-spec/compose-go/v2/loader"
+	composecli "github.com/compose-spec/compose-go/v2/cli"
-	"github.com/compose-spec/compose-go/v2/types"
 	"github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/api/types/mount"
 	"github.com/docker/go-units"
@@ -20,57 +20,6 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-// loadProjectFromContent loads a compose project from YAML content.
-// Keep the implementation in sync with LoadProject.
-func loadProjectFromContent(t *testing.T, content string) (*types.Project, error) {
-	t.Helper()
-	ctx := context.Background()
-
-	configDetails := types.ConfigDetails{
-		ConfigFiles: []types.ConfigFile{
-			{
-				Filename: "docker-compose.yml",
-				Content:  []byte(content),
-			},
-		},
-	}
-
-	project, err := loader.LoadWithContext(ctx, configDetails, func(o *loader.Options) {
-		o.SetProjectName("test", true)
-		// Register our custom extensions
-		if o.KnownExtensions == nil {
-			o.KnownExtensions = map[string]any{}
-		}
-		o.KnownExtensions[CaddyExtensionKey] = Caddy{}
-		o.KnownExtensions[PortsExtensionKey] = PortsSource{}
-		o.KnownExtensions[MachinesExtensionKey] = MachinesSource{}
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	removeProjectPrefixFromNames(project)
-	// Apply extension transformations since we're not using LoadProject.
-	if project, err = transformServicesCaddyExtension(project); err != nil {
-		return nil, err
-	}
-	if project, err = transformServicesPortsExtension(project); err != nil {
-		return nil, err
-	}
-
-	// Validate extension combinations after all transformations.
-	if err = validateServicesExtensions(project); err != nil {
-		return nil, err
-	}
-
-	// Process image templates in services to expand Go template expressions using git repo state.
-	if project, err = ProcessImageTemplates(project); err != nil {
-		return nil, err
-	}
-
-	return project, nil
-}
-
 func TestServiceSpecFromCompose(t *testing.T) {
 	t.Parallel()
 
@@ -151,6 +100,8 @@ func TestServiceSpecFromCompose(t *testing.T) {
 					Name: "test",
 					Mode: api.ServiceModeReplicated,
 					Container: api.ContainerSpec{
+						CapAdd:     []string{"NET_ADMIN"},
+						CapDrop:    []string{"ALL"},
 						Command:    []string{"nginx", "updated", "command"},
 						Entrypoint: []string{"/updated-docker-entrypoint.sh"},
 						Env: map[string]string{
@@ -174,6 +125,9 @@ func TestServiceSpecFromCompose(t *testing.T) {
 							Memory:            100 * units.MiB,
 							MemoryReservation: 50 * units.MiB,
 						},
+						Sysctls: map[string]string{
+							"net.ipv4.ip_forward": "1",
+						},
 						User: "nginx:nginx",
 						VolumeMounts: []api.VolumeMount{
 							{
@@ -431,7 +385,15 @@ services:
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			project, err := loadProjectFromContent(t, tt.composeYAML)
+			// Get current working directory for relative path resolution to testdata directory.
+			wd, err := os.Getwd()
+			require.NoError(t, err)
+
+			project, err := LoadProjectFromContent(
+				context.Background(),
+				tt.composeYAML,
+				composecli.WithWorkingDirectory(wd),
+			)
 			require.NoError(t, err)
 
 			spec, err := ServiceSpecFromCompose(project, "web")
@@ -617,7 +579,7 @@ services:
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			project, err := loadProjectFromContent(t, tt.composeYAML)
+			project, err := LoadProjectFromContent(context.Background(), tt.composeYAML)
 			require.NoError(t, err)
 
 			spec, err := ServiceSpecFromCompose(project, "ai")
@@ -629,6 +591,114 @@ services:
 	}
 }
 
+func TestServiceSpecFromCompose_VolumeDriverOpts(t *testing.T) {
+	tests := []struct {
+		name           string
+		composeYAML    string
+		expectedVolume api.VolumeSpec
+	}{
+		{
+			name: "volume with driver_opts only (no driver specified)",
+			composeYAML: `
+services:
+  test:
+    image: nginx
+    volumes:
+      - nfsmount:/data/nfs
+volumes:
+  nfsmount:
+    driver_opts:
+      type: "nfs"
+      o: "addr=192.168.1.100,nolock,soft"
+      device: ":/mnt/share"
+`,
+			expectedVolume: api.VolumeSpec{
+				Name: "nfsmount",
+				Type: api.VolumeTypeVolume,
+				VolumeOptions: &api.VolumeOptions{
+					Name: "nfsmount",
+					Driver: &mount.Driver{
+						Options: map[string]string{
+							"type":   "nfs",
+							"o":      "addr=192.168.1.100,nolock,soft",
+							"device": ":/mnt/share",
+						},
+					},
+				},
+			},
+		},
+		{
+			name: "volume with driver and driver_opts",
+			composeYAML: `
+services:
+  test:
+    image: nginx
+    volumes:
+      - nfsmount:/data/nfs
+volumes:
+  nfsmount:
+    driver: local
+    driver_opts:
+      type: "nfs"
+      o: "addr=192.168.1.100,nolock,soft"
+      device: ":/mnt/share"
+`,
+			expectedVolume: api.VolumeSpec{
+				Name: "nfsmount",
+				Type: api.VolumeTypeVolume,
+				VolumeOptions: &api.VolumeOptions{
+					Name: "nfsmount",
+					Driver: &mount.Driver{
+						Name: "local",
+						Options: map[string]string{
+							"type":   "nfs",
+							"o":      "addr=192.168.1.100,nolock,soft",
+							"device": ":/mnt/share",
+						},
+					},
+				},
+			},
+		},
+		{
+			name: "external volume ignores driver_opts",
+			composeYAML: `
+services:
+  test:
+    image: nginx
+    volumes:
+      - extvolume:/data
+volumes:
+  extvolume:
+    external: true
+`,
+			expectedVolume: api.VolumeSpec{
+				Name: "extvolume",
+				Type: api.VolumeTypeVolume,
+				VolumeOptions: &api.VolumeOptions{
+					Name: "extvolume",
+				},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			project, err := LoadProjectFromContent(context.Background(), tt.composeYAML)
+			require.NoError(t, err)
+
+			spec, err := ServiceSpecFromCompose(project, "test")
+			require.NoError(t, err)
+
+			require.Len(t, spec.Volumes, 1, "expected exactly one volume")
+			actualVolume := spec.Volumes[0]
+
+			cmpOpts := cmp.Options{cmpopts.EquateEmpty()}
+			assert.True(t, cmp.Equal(actualVolume, tt.expectedVolume, cmpOpts...),
+				"Volume mismatch:\n%s", cmp.Diff(actualVolume, tt.expectedVolume, cmpOpts...))
+		})
+	}
+}
+
 func TestServiceSpecFromCompose_XMachinesPlacement(t *testing.T) {
 	tests := []struct {
 		name        string
@@ -765,7 +835,7 @@ services:
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			project, err := loadProjectFromContent(t, tt.composeYAML)
+			project, err := LoadProjectFromContent(context.Background(), tt.composeYAML)
 
 			if tt.expectError {
 				assert.Error(t, err)

pkg/client/compose/testdata/compose-full-spec.yaml

@@ -1,5 +1,9 @@
 services:
   test:
+    cap_add:
+      - NET_ADMIN
+    cap_drop:
+      - ALL
     command: ["nginx", "updated", "command"]
     cpus: 0.5
     entrypoint: ["/updated-docker-entrypoint.sh"]
@@ -19,6 +23,8 @@ services:
     privileged: true
     pull_policy: always
     scale: 3
+    sysctls:
+      - net.ipv4.ip_forward=1
     user: nginx:nginx
     volumes:
       - /etc/passwd:/host/etc/passwd:ro

pkg/client/connector/common.go

@@ -0,0 +1,30 @@
+package connector
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+// defaultServiceConfig defines the default gRPC service configuration including retry policy for transient failures.
+var defaultServiceConfig = mustMarshalJSON(map[string]any{
+	"methodConfig": []map[string]any{
+		{
+			"name": []map[string]string{{"service": ""}},
+			"retryPolicy": map[string]any{
+				"maxAttempts":          5, // 5 is the maximum allowed by gRPC
+				"initialBackoff":       "0.5s",
+				"maxBackoff":           "5s",
+				"backoffMultiplier":    2,
+				"retryableStatusCodes": []string{"UNAVAILABLE"},
+			},
+		},
+	},
+})
+
+func mustMarshalJSON(v any) string {
+	b, err := json.Marshal(v)
+	if err != nil {
+		panic(fmt.Sprintf("failed to marshal service config: %v", err))
+	}
+	return string(b)
+}

pkg/client/connector/ssh.go

@@ -59,6 +59,7 @@ func (c *SSHConnector) Connect(ctx context.Context) (*grpc.ClientConn, error) {
 	conn, err := grpc.NewClient(
 		"unix://"+sockPath,
 		grpc.WithTransportCredentials(insecure.NewCredentials()),
+		grpc.WithDefaultServiceConfig(defaultServiceConfig),
 		grpc.WithContextDialer(
 			func(ctx context.Context, addr string) (net.Conn, error) {
 				addr = strings.TrimPrefix(addr, "unix://")

pkg/client/connector/sshcli.go

@@ -90,6 +90,7 @@ func (c *SSHCLIConnector) Connect(ctx context.Context) (*grpc.ClientConn, error)
 	grpcConn, err := grpc.NewClient(
 		"passthrough:///", // Dummy target since we're using a custom dialer.
 		grpc.WithTransportCredentials(insecure.NewCredentials()),
+		grpc.WithDefaultServiceConfig(defaultServiceConfig),
 		grpc.WithContextDialer(func(ctx context.Context, _ string) (net.Conn, error) {
 			return c.conn, nil
 		}),

pkg/client/connector/tcp.go

@@ -23,6 +23,7 @@ func (c *TCPConnector) Connect(_ context.Context) (*grpc.ClientConn, error) {
 	conn, err := grpc.NewClient(
 		c.apiAddr.String(),
 		grpc.WithTransportCredentials(insecure.NewCredentials()),
+		grpc.WithDefaultServiceConfig(defaultServiceConfig),
 	)
 	if err != nil {
 		return nil, fmt.Errorf("create machine API client: %w", err)

pkg/client/connector/unix.go

@@ -0,0 +1,42 @@
+package connector
+
+import (
+	"context"
+	"fmt"
+
+	"golang.org/x/net/proxy"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+)
+
+// UnixConnector establishes a connection to the machine API through a unix domain socket.
+type UnixConnector struct {
+	socketPath string
+}
+
+func NewUnixConnector(socketPath string) *UnixConnector {
+	return &UnixConnector{socketPath: socketPath}
+}
+
+func (c *UnixConnector) Connect(_ context.Context) (*grpc.ClientConn, error) {
+	// gRPC uses "unix:path" syntax for unix sockets.
+	target := "unix:" + c.socketPath
+
+	conn, err := grpc.NewClient(
+		target,
+		grpc.WithTransportCredentials(insecure.NewCredentials()),
+		grpc.WithDefaultServiceConfig(defaultServiceConfig),
+	)
+	if err != nil {
+		return nil, fmt.Errorf("create machine API client: %w", err)
+	}
+	return conn, nil
+}
+
+func (c *UnixConnector) Dialer() (proxy.ContextDialer, error) {
+	return nil, fmt.Errorf("proxy connections are not supported over a unix connection")
+}
+
+func (c *UnixConnector) Close() error {
+	return nil
+}