code: func getResourcesAndImages(args []string) (resources []string, containerImages map[string]string, err error) {
  	pairType := "image"
  	resources, imageArgs, err := cmdutil.GetResourcesAndPairs(args, pairType)
  	if err != nil {
  		return
  	}
  	containerImages, _, err = cmdutil.ParsePairs(imageArgs, pairType, false)
  	return
  }
docs: // getResourcesAndImages retrieves resources and container name:images pair from given args