{
  inputs,
  lib,
  nixpkgs,
  ...
}:
{
  nix = {
    settings = {
      trusted-users = [
        "root"
        "@wheel"
      ];
      auto-optimise-store = lib.mkDefault true;
      experimental-features = [
        "nix-command"
        "flakes"
      ];
      warn-dirty = false;
    };
    gc = {
      automatic = true;
      options = "--delete-older-than 30d";
    };
  };
  nixpkgs.config.allowUnfree = true;
}