{
  lib,
  nixpkgs,
  module,
  pkgs,
  system,
}:

let
  evaluatedHostName =
    (nixpkgs.lib.nixosSystem {
      inherit system;
      modules = [
        module
        {
          system.stateVersion = "26.05";

          services.rabbi-gerzi = {
            enable = true;
            frontend.hostName = "www.example.test";
            backend = {
              hostName = "api.example.test";
              environmentFile = "/run/secrets/rabbi-gerzi.env";
            };
          };
        }
      ];
    }).config.services.rabbi-gerzi.backend.hostName;
in
pkgs.runCommand "rabbi-gerzi-module-eval"
  {
    value = evaluatedHostName;
    preferLocalBuild = true;
  }
  ''
    echo "$value" > $out
  ''