Actually, the thing we started using nix for was reliable caching of compiled artifacts, including not just your code, but all the programs and libraries that y

Actually, the thing we started using nix for was reliable caching of compiled artifacts, including not just your code, but all the programs and libraries that your code depends on. It's another thing that's difficult to do in a general sense, but if you have a fairly strong notion of reproducible builds, it's possible.