Multi-cluster kubernetes federation could be the answer (where a "cluster" could be as tiny as a k3s instance running on your Raspberry Pi). However could mean

Multi-cluster kubernetes federation could be the answer (where a "cluster" could be as tiny as a k3s instance running on your Raspberry Pi). However could mean you need one vendor to provide the control-plane software for your vendor-agnostic solution. Nobody has nailed it yet though, AFAIK, but both Rancher and Gloo Federation look promising. Related reading: https://github.com/kubernetes-sigs/kubefed https://github.com/kubernetes-sigs/kubefed https://rancher.com/products/rancher/multi-cluster-management/ https://rancher.com/products/rancher/multi-cluster-managemen... https://www.solo.io/blog/introducing-gloo-federation-for-multi-cluster-management/ https://www.solo.io/blog/introducing-gloo-federation-for-mul...