{ lib, ... }:
{
  nix = {
    gc = {
      automatic = true;
    };

    optimise = {
      automatic = true;
    };

    settings = {
      trusted-substituters = [
        "https://nix-cache.home.2rjus.net"
        "https://cache.nixos.org"
        "https://cuda-maintainers.cachix.org"
      ];
      substituters = lib.mkOverride 90 [
        "https://nix-cache.home.2rjus.net"
        "https://cache.nixos.org"
        "https://cuda-maintainers.cachix.org"
      ];
      trusted-public-keys = [
        "nix-cache.home.2rjus.net-1:2kowZOG6pvhoK4AHVO3alBlvcghH20wchzoR0V86UWI="
        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
        "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
      ];
    };
  };
}