code: func RenderACI(name types.ACIdentifier, labels types.Labels, dir string, ap acirenderer.ACIRegistry, uidRange *user.UidRange) error {
  	renderedACI, err := acirenderer.GetRenderedACI(name, labels, ap)
  	if err != nil {
  		return err
  	}
  	return renderImage(renderedACI, dir, ap, uidRange)
  }
docs: // Given an image app name and optional labels, get the best matching image
  // available in the store, build its dependency list and render it inside dir