refactor: deploy global service using Deployment with RollingStrategy

internal/api/container.go

@@ -20,6 +20,11 @@ type Container struct {
 	types.ContainerJSON
 }
 
+// NameWithoutSlash returns the container name without the leading slash.
+func (c *Container) NameWithoutSlash() string {
+	return c.Name[1:]
+}
+
 // ServiceID returns the ID of the service this container belongs to.
 func (c *Container) ServiceID() string {
 	return c.Config.Labels[LabelServiceID]

internal/api/service.go

@@ -53,8 +53,7 @@ type ContainerSpec struct {
 }
 
 func (s *ContainerSpec) Validate() error {
-	_, err := reference.ParseDockerRef(s.Image)
-	if err != nil {
+	if _, err := reference.ParseDockerRef(s.Image); err != nil {
 		return fmt.Errorf("invalid image: %w", err)
 	}