Decided to spin up a local k3s cluster running on my (ARM64) laptop. Another interesting bit about the Docker environment is how easy it is to migrate configurations across platforms.
I'll add that spinning up a cluster in k3s is just running a single command per node; one for the master node and one for each of the server nodes. It's trivial to automate and completes in seconds.
Now I'm messing around with #ceph for managing high-availability #storage (filesystem and #s3) and #stolon for high-availability #postgres.