chore(images): initialise Docker service with containerd client

internal/containerd/client.go

@@ -0,0 +1,39 @@
+package containerd
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/containerd/containerd/v2/client"
+)
+
+// Client is a containerd client for image operations.
+type Client struct {
+	Client *client.Client
+}
+
+// NewClient creates a new containerd client connected to the given socket path.
+func NewClient(sockPath string) (*Client, error) {
+	if sockPath == "" {
+		return nil, fmt.Errorf("containerd socket path is required")
+	}
+
+	c, err := client.New(
+		sockPath,
+		client.WithDefaultNamespace("moby"),
+		client.WithTimeout(60*time.Second),
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	return &Client{Client: c}, nil
+}
+
+// Close closes the containerd client connection.
+func (c *Client) Close() error {
+	if c.Client != nil {
+		return c.Client.Close()
+	}
+	return nil
+}