code: func ProjectDown(p project.APIProject, c *cli.Context) error {
  	options := options.Down{
  		RemoveVolume:  c.Bool("volumes"),
  		RemoveImages:  options.ImageType(c.String("rmi")),
  		RemoveOrphans: c.Bool("remove-orphans"),
  	}
  	err := p.Down(context.Background(), options, c.Args()...)
  	if err != nil {
  		return cli.NewExitError(err.Error(), 1)
  	}
  	return nil
  }
docs: // ProjectDown brings all services down (stops and clean containers).