// Base distribution picks which variant to build
		"BASE_DISTRIBUTION": baseDist,
		// Additional metadata injected into some images
		"proxy_version":    args.ProxyVersion,
		"ztunnel_version":  args.ZtunnelVersion,
		"istio_version":    args.IstioVersion,
		"VM_IMAGE_NAME":    vmImageName(target),
		"VM_IMAGE_VERSION": vmImageVersion(target),
	}
	// Only needed for crane - buildx does it automagically

	b.WriteString("BaseImageRegistry: " + fmt.Sprint(a.BaseImageRegistry) + "\n")
	b.WriteString("ProxyVersion:      " + fmt.Sprint(a.ProxyVersion) + "\n")
	b.WriteString("ZtunnelVersion:    " + fmt.Sprint(a.ZtunnelVersion) + "\n")
	b.WriteString("IstioVersion:      " + fmt.Sprint(a.IstioVersion) + "\n")
	b.WriteString("Tags:              " + fmt.Sprint(a.Tags) + "\n")

	rootCmd.Flags().StringVar(&globalArgs.ProxyVersion, "proxy-version", globalArgs.ProxyVersion, "proxy version to use")
	rootCmd.Flags().StringVar(&globalArgs.ZtunnelVersion, "ztunnel-version", globalArgs.ZtunnelVersion, "ztunnel version to use")
	rootCmd.Flags().StringVar(&globalArgs.IstioVersion, "istio-version", globalArgs.IstioVersion, "istio version to use")