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the private cluster part is a networking problem. You’ll need a VPN of some description. I have used tailscale for this previously <https://github.com/lbrlabs/pulumi-tailscale-bastion>

Yeah;
Cheers that is as I expected. Thanks so much.

<https://cloud.google.com/architecture/creating-kubernetes-engine-private-clusters-with-net-proxies> should help you.