{
  flake,
  config,
  pkgs,
  lib,
  ...
}: let
  psCfg = config.pub-solar;
  xdg = config.home-manager.users."${psCfg.user.name}".xdg;
  backupDir = "/var/lib/invoiceplane/backup";
in {
  security.acme.certs = {
    "billing.faenix.eu" = {};
  };

  services.nginx.virtualHosts = {
    "billing.faenix.eu" = {
      forceSSL = true;
      useACMEHost = "billing.faenix.eu";
    };
  };

  services.invoiceplane = {
    webserver = "nginx";
    sites."billing.faenix.eu" = {
      enable = true;

      invoiceTemplates = [ flake.self.inputs.invoiceplane-template.packages.${pkgs.system}.invoiceplane-template ];

      settings = {
        IP_URL = "https://billing.faenix.eu";
        DISABLE_SETUP = true;
        SETUP_COMPLETED = true;
      };

      poolConfig = {
        "pm" = "dynamic";
        "pm.max_children" = 32;
        "pm.max_requests" = 500;
        "pm.max_spare_servers" = 4;
        "pm.min_spare_servers" = 2;
        "pm.start_servers" = 2;
        "php_admin_value[date.timezone]" = "Europe/Berlin";
        "php_admin_value[error_log]" = "/var/lib/invoiceplane/billing.faenix.eu/logs/php-error.log";
        "php_admin_flag[display_errors]" = "off";
        "php_admin_flag[log_errors]" = "on";
        "catch_workers_output" = "yes";
      };
    };
  };

  systemd.tmpfiles.rules = [
    "d '${backupDir}' 0700 root root - -"
  ];

  #services.restic.backups = {
  #  invoiceplane = {
  #    paths = [
  #      backupDir
  #      "/var/lib/invoiceplane/billing.faenix.eu"
  #    ];
  #    initialize = true;
  #    passwordFile = config.age.secrets."restic-password".path;
  #    # See https://www.hosting.de/blog/verschluesselte-backups-mit-rclone-und-restic-in-nextcloud/
  #    repository = "rclone:cloud.pub.solar:/backups/InvoicePlane";
  #    backupPrepareCommand = ''
  #      PW=$(cat ${config.age.secrets."invoiceplane-db-password".path})
  #      ${pkgs.docker-client}/bin/docker exec -t invoiceplane-db mariadb-dump --all-databases --password=$PW --user=invoiceplane > "${backupDir}/postgres.sql"
  #    '';
  #    rcloneConfigFile = config.age.secrets."rclone-pie.conf".path;
  #  };
  #};
}