I was running a couple million page views/mo on a cluster of raspberry pis in my parents home a few years back. After some disruptions on my family's network I decided to setup a Wireguard VPN with Docker Swarm and a GCP instance to essentially route from GCP IP address -> Raspberry pi cluster such that my IP wouldn't get leaked and didn't have to worry about dynamic IP addresses

Very hard to do and finicky to setup but at the time was suitable for my needs