I should really try this sometime. Having a reproducible OS install would make life much easier. On my radar a long time, but a person I was interviewing last week was the final drop I guess.

• A really nice post about this: Moving into NixOS | Gabriel Arazas
• Sample configs: Configuration Collection - NixOS Wiki
  • Someone’s i3 config: dotfiles/i3-config.nix at master · aaronjanse/dotfiles

    bindsym ${mod}+d exec ${nixpkgs.rofi}/bin/rofi -show run
    

    Quite interesting.
• Official guide: NixOS - Guides - How Nix works
• Building a Reproducible Data Science Environment with Nix

  Nix is a 100% reproducible package manager, for all languages and all things. This means your python environment, your R environment, your models, your entire computer can be completely reproduced, all using the magic of nix. In this article, we will walk through setting up a simple, reproducible, and failproof data science stack with nix, including importing packages not found on nixpkgs and caching the builds online