code: func (cli *Client) ContainerKill(ctx context.Context, containerID, signal string) error {
  	query := url.Values{}
  	query.Set("signal", signal)
  
  	resp, err := cli.post(ctx, "/containers/"+containerID+"/kill", query, nil, nil)
  	ensureReaderClosed(resp)
  	return err
  }
docs: // ContainerKill terminates the container process but does not remove the container from the docker host.