If its "required" you need to think more. We use GCP and GKS for some things, but we could leave pretty easily. Hardest parts would be DIY Postgres HA and DIY

If its "required" you need to think more. We use GCP and GKS for some things, but we could leave pretty easily. Hardest parts would be DIY Postgres HA and DIY K8S. CockroachDB is almost ready to get rid of the former headache. Haven't looked into the latter headache yet. Of course we really only use K8S for load balancing and HA and there are other options there like Consul and Nomad.