{
  pkgs,
  config,
  lib,
  inputs,
  ...
}:
let
  cfg = config.services.workout-tracker;
  fqdn = "${cfg.subdomain}.${config.networking.domain}";
  port = cfg.port;
  package = inputs.nixpkgs-unstable.legacyPackages.${pkgs.system}.workout-tracker;
in
{
  options.services.workout-tracker = {
    subdomain = lib.mkOption {
      type = lib.types.str;
    };
  };

  config = lib.mkIf cfg.enable {
    services = {
      workout-tracker = { inherit package; };

      webserver = {
        enable = lib.mkDefault true;
        vHosts.${fqdn}.locations."/".proxyPort = port;
      };
    };
  };
}