{ ... }:

{

  # Allow Hydra to fetch remote URLs in restricted mode
  nix.settings.allowed-uris = "http: https: git+https: github:";

  services.openssh.settings= {
   PermitRootLogin = "yes";
  };

  users.extraUsers.root.openssh.authorizedKeys.keys = [
    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMv8Lbca/CR4das3HJ2F/sQ9dA7kdGS1hSVTt5lX4diP root@hydra-1"
  ];

}