code: func (cli *Client) ContainerUpdate(ctx context.Context, containerID string, updateConfig container.UpdateConfig) (container.ContainerUpdateOKBody, error) {
  	var response container.ContainerUpdateOKBody
  	serverResp, err := cli.post(ctx, "/containers/"+containerID+"/update", nil, updateConfig, nil)
  	defer ensureReaderClosed(serverResp)
  	if err != nil {
  		return response, err
  	}
  
  	err = json.NewDecoder(serverResp.body).Decode(&response)
  	return response, err
  }
docs: // ContainerUpdate updates resources of a container