{
  config,
  lib,
  ...
}: {
  services.hydra = {
    enable = true;
    hydraURL = "https://hydra.heroin.trade";
    port = 3003;
    useSubstitutes = true;
    notificationSender = "hydra@localhost";
  };

  nix.buildMachines = [
    {
      hostName = "localhost";
      system = "x86_64-linux";
      supportedFeatures = ["kvm" "nixos-test" "big-parallel" "benchmark"];
      maxJobs = 8;
    }
  ];
}