anchor.diff:                services.iodine.server = {
                   enable = true;
                   ip = "10.53.53.1/24";
  -                passwordFile = "${builtins.toFile "password" "foo"}";
  +                passwordFile = "${builtins.toFile "password" password}";
                   inherit domain;
                 };
   
  
positive.code: import ./make-test-python.nix (
    { pkgs, ... }: let
      domain = "whatever.example.com";
    in
      {
        name = "iodine";
  
negative.code:               server = domain;
              };
              systemd.tmpfiles.rules = [
                "f /root/pw 0666 root root - ${password}"
              ];
              environment.systemPackages = [
                pkgs.nagiosPluginsOfficial
  