feat(KLEF-215): Service Instance Page

internal/adapters/out/runtime/docker/docker.go

@@ -475,7 +475,7 @@ func (a *Adapter) createContainer(ctx context.Context, spec ports.WorkloadSpec,
 		},
 		netConfig,
 		nil,
-		spec.ServerID,
+		containerName(spec),
 	)
 	if err != nil {
 		return "", fmt.Errorf("failed to create container: %w", err)
@@ -562,3 +562,37 @@ func shortID(s string) string {
 	}
 	return s
 }
+
+// containerName builds a human-readable container name in the form
+// username.projectslug.servername, falling back gracefully when fields are absent.
+func containerName(spec ports.WorkloadSpec) string {
+	var parts []string
+	if spec.OwnerUsername != "" {
+		parts = append(parts, sanitizeNamePart(spec.OwnerUsername))
+	}
+	if spec.ProjectSlug != "" {
+		parts = append(parts, sanitizeNamePart(spec.ProjectSlug))
+	}
+	if spec.ServerName != "" {
+		parts = append(parts, sanitizeNamePart(spec.ServerName))
+	}
+	if len(parts) == 0 {
+		return spec.ServerID
+	}
+	return strings.Join(parts, ".")
+}
+
+// sanitizeNamePart strips characters not allowed in Docker container names.
+var nameReplacer = strings.NewReplacer(" ", "-", "@", "-", "/", "-")
+
+func sanitizeNamePart(s string) string {
+	s = nameReplacer.Replace(strings.ToLower(strings.TrimSpace(s)))
+	var out []byte
+	for i := 0; i < len(s); i++ {
+		c := s[i]
+		if c >= 'a' && c <= 'z' || c >= '0' && c <= '9' || c == '-' || c == '_' || c == '.' {
+			out = append(out, c)
+		}
+	}
+	return strings.Trim(string(out), "-.")
+}

internal/application/ports/workload.go

@@ -13,11 +13,13 @@ type RunningServer struct {
 // It is a superset of the old ServerOperationPayload — all existing fields carry over.
 type WorkloadSpec struct {
 	// Identity / Tenancy
-	OwnerID     string `json:"owner_id"`
-	ServerID    string `json:"server_id"`
-	BlueprintID string `json:"blueprint_id"`
-	ProjectID   string `json:"project_id"`
-	ProjectSlug string `json:"project_slug"`
+	OwnerID       string `json:"owner_id"`
+	OwnerUsername string `json:"owner_username,omitempty"`
+	ServerID      string `json:"server_id"`
+	ServerName    string `json:"server_name,omitempty"`
+	BlueprintID   string `json:"blueprint_id"`
+	ProjectID     string `json:"project_id"`
+	ProjectSlug   string `json:"project_slug"`
 
 	// Blueprint details required for provision/start
 	Image            string            `json:"image"`

pkg/labels/labels.go

@@ -11,6 +11,10 @@ const (
 	ManagedBy   = "kleff.io/managed_by"
 
 	ManagedByValue = "kleff-daemon"
+
+	// ComposeProject is the standard Docker Compose label used by Portainer to group containers.
+	ComposeProject      = "com.docker.compose.project"
+	ComposeProjectValue = "kleff-local"
 )
 
 type WorkloadLabels struct {
@@ -24,12 +28,13 @@ type WorkloadLabels struct {
 
 func (l *WorkloadLabels) ToMap() map[string]string {
 	m := map[string]string{
-		OwnerID:     l.OwnerID,
-		WorkloadID:  l.ServerID, // new key
-		ServerID:    l.ServerID, // deprecated alias — kept during transition
-		BlueprintID: l.BlueprintID,
-		NodeID:      l.NodeID,
-		ManagedBy:   ManagedByValue,
+		OwnerID:        l.OwnerID,
+		WorkloadID:     l.ServerID, // new key
+		ServerID:       l.ServerID, // deprecated alias — kept during transition
+		BlueprintID:    l.BlueprintID,
+		NodeID:         l.NodeID,
+		ManagedBy:      ManagedByValue,
+		ComposeProject: ComposeProjectValue,
 	}
 	if l.ProjectID != "" {
 		m[ProjectID] = l.ProjectID