func AddRegistry(registry string, imageName string) string {
	if registry == "" {
		return imageName
	}
	parts := strings.Split(imageName, "/")
	if len(parts) == 3 {
		parts = parts[1:]
	}
	return path.Join(registry, parts[0], parts[1])
}
func AddRegistry(registry string, imageName string) string {
	if registry == "" {
		return imageName
	}
	parts := strings.Split(imageName, "/")
	if len(parts) == 3 {
		parts = parts[1:]
	}
	return path.Join(registry, parts[0], parts[1])
}
// AddRegistry switches the registry that an image is targeting, unless registry is blank