{ pkgs, ... }:
{

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