{
  config,
  lib,
  pkgs,
  ...
}: {
  nix = {
    #    gc = {
    #      automatic = true;
    #      dates = "daily";
    #      options = "--delete-older-than 3";
    #    };
    settings = {
      auto-optimise-store = true;
      experimental-features = ["nix-command" "flakes"];
    };
  };
}