{...}: {
  nix = {
    channel.enable = false;
    distributedBuilds = false;
    buildMachines = [
      {
        hostName = "server1.vhack.eu";
        protocol = "ssh-ng";
        system = "x86_64-linux";
        supportedFeatures = ["big-parallel"];
      }
    ];
    gc = {
      automatic = true;
      dates = "daily";
      options = "--delete-older-than 3";
    };
    settings = {
      auto-optimise-store = true;
      experimental-features = ["nix-command" "flakes"];
    };
  };
}