code: func (s *Server) StopContainer(ctx context.Context, req *pb.StopContainerRequest) (resp *pb.StopContainerResponse, err error) {
  	const operation = "stop_container"
  	defer func() {
  		recordOperation(operation, time.Now())
  		recordError(operation, err)
  	}()
  	logrus.Debugf("StopContainerRequest %+v", req)
  
  	// save container description to print
  	c, err := s.GetContainerFromShortID(req.ContainerId)
  	if err != nil {
  		return nil, err
  	}
  	description := c.Description()
  
  	_, err = s.ContainerServer.ContainerStop(ctx, req.ContainerId, req.Timeout)
  	if err != nil {
  		return nil, err
  	}
  
  	logrus.Infof("Stopped container %s", description)
  	resp = &pb.StopContainerResponse{}
  	logrus.Debugf("StopContainerResponse %s: %+v", req.ContainerId, resp)
  	return resp, nil
  }
docs: // StopContainer stops a running container with a grace period (i.e., timeout).