code: func (daemon *Daemon) UpdateContainerServiceConfig(containerName string, serviceConfig *clustertypes.ServiceConfig) error {
  	container, err := daemon.GetContainer(containerName)
  	if err != nil {
  		return err
  	}
  
  	container.NetworkSettings.Service = serviceConfig
  	return nil
  }
docs: // UpdateContainerServiceConfig updates a service configuration.