code: func (task *Task) applyENIHostname(dockerConfig *dockercontainer.Config) *dockercontainer.Config {
  	eni := task.GetTaskENI()
  	if eni == nil {
  		return dockerConfig
  	}
  
  	hostname := eni.GetHostname()
  	if hostname == "" {
  		return dockerConfig
  	}
  
  	dockerConfig.Hostname = hostname
  	return dockerConfig
  }
docs: // applyENIHostname adds the hostname provided by the ENI message to the
  // container's docker config. At the time of implmentation, we are only using it
  // to configure the pause container for awsvpc tasks