{ ... }:

{
  nix = {
    settings = {
      experimental-features = [
        "nix-command"
        "flakes"
      ];
      auto-optimise-store = true;
      substituters = [ "https://cache.nixos-cuda.org" ];
      trusted-public-keys = [ "cache.nixos-cuda.org:74DUi4Ye579gUqzH4ziL9IyiJBlDpMRn9MBN8oNan9M=" ];
    };

    gc = {
      automatic = true;
      dates = "weekly";
      options = "--delete-older-than 14d";
    };
  };

  nixpkgs.config.allowUnfree = true;
}