feat: set container hostname equal to container name

internal/cli/client/container.go

@@ -42,6 +42,7 @@ func (cli *Client) CreateContainer(
 
 	config := &container.Config{
 		Cmd:      spec.Container.Command,
+		Hostname: containerName,
 		Image:    spec.Container.Image,
 		Labels: map[string]string{
 			api.LabelServiceID:   serviceID,