I wonder what the author’s development process for all this is like. It’s fascinating seeing the end result, and I certainly learned a ton. However, I’d love to see some of the trial and error process. My own process is starting from a configuration.nix on a node and iterate with `nixos-rebuild switch`, but it still feels like there’s better methodologies out there.
Author here. Yeah, unfortunately, that's kinda it: just rebuild a lot. At work we have a custom setup with a build server and agents for provisioning, which is nice for multiple nodes, but also even slower. The QEMU setup in the attached repo was added later and also handy for testing multiple nodes. QEMU is also nice because you can just trash the disk images to get a clean start.
