code: func (task *Task) BuildCgroupRoot() (string, error) {
  	taskID, err := task.GetID()
  	if err != nil {
  		return "", errors.Wrapf(err, "task build cgroup root: unable to get task-id from task ARN: %s", task.Arn)
  	}
  
  	return filepath.Join(config.DefaultTaskCgroupPrefix, taskID), nil
  }
docs: // BuildCgroupRoot helps build the task cgroup prefix
  // Example: /ecs/task-id