I have not played with NixOS - my project above was to build a workstation in docker that would hold all my daily stuff at a fixed defined level - like a lockfi

I have not played with NixOS - my project above was to build a workstation in docker that would hold all my daily stuff at a fixed defined level - like a lockfile I guess but a docker file. I suspect that even the same docker file has much more wriggle room than a nixos definition - it again not too clear on that