{
  inputs,
  config,
  pkgs,
  lib,
  ...
}:
let
  format = pkgs.formats.yaml { };
  settings = lib.recursiveUpdate config.services.headscale.settings {
    acme_email = "/dev/null";
    tls_cert_path = "/dev/null";
    tls_key_path = "/dev/null";
    policy.path = "/dev/null";
    oidc.client_secret_path = "/dev/null";
  };
  headscaleConfig = format.generate "headscale.yml" settings;
in
{
  imports = [
    ./disk-config.nix
    {
      _module.args.disks = [ "/dev/sda" ];
    }

    inputs.headplane.nixosModules.headplane

    ../common/servers

    ./auth
  ];

  time.timeZone = "Europe/Berlin";

  networking.hostName = "hosting-01";
  networking.nameservers = [ "8.8.8.8" ];
  networking.firewall = {
    enable = true;
    allowedTCPPorts = [
      80
      443
    ];
  };

  nixpkgs.overlays = [ inputs.headplane.overlays.default ];

  services.nginx = {
    enable = true;
    recommendedGzipSettings = true;
    recommendedOptimisation = true;
    recommendedProxySettings = true;
    recommendedTlsSettings = true;
  };

  services.headscale = {
    enable = true;
    address = "0.0.0.0";
    port = 8080;
    settings = {
      server_url = "https://headscale.escapeangle.com";
      dns = {
        base_domain = "tailnet.escapeangle.com";
      };
    };
  };

  services.headplane = {
    enable = true;
    agent.enable = false;

    settings = {
      server = {
        host = "127.0.0.1";
        port = 8081;
        cookie_secret = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"; # replaced in env
        cookie_secure = true;
      };

      headscale = {
        url = "https://headscale.escapeangle.com";
        config_path = "${headscaleConfig}";
        config_strict = true;
      };

      integration.proc.enabled = true;
    };
  };

  services.nginx.virtualHosts."headscale.escapeangle.com" = {
    forceSSL = true;
    enableACME = true;
    locations."/" = {
      proxyPass = "http://localhost:${toString config.services.headscale.port}";
      proxyWebsockets = true;
    };
    locations."/admin" = {
      proxyPass = "http://127.0.0.1:${toString config.services.headplane.settings.server.port}";
      proxyWebsockets = true;
    };
  };

  security.acme.defaults.email = "landervandenbulcke@gmail.com";
  security.acme.acceptTerms = true;

  system.stateVersion = "25.05";
}