{ pkgs, ... }:

let
  domain = "hackertours.hamburg.ccc.de";
  dataDir = "/var/www/${domain}";
  deployUser = "ht-ccchh-website-deploy";
in {
  services.nginx.virtualHosts = {
    "acme-${domain}" = {
      enableACME = true;
      serverName = "${domain}";

      listen = [
        {
          addr = "0.0.0.0";
          port = 31820;
        }
      ];
    };

    "${domain}" = {
      forceSSL = true;
      useACMEHost = "${domain}";

      listen = [
        {
          addr = "0.0.0.0";
          port = 8443;
          ssl = true;
          proxyProtocol = true;
        }
      ];

      root = "${dataDir}";

      extraConfig = ''
        # Make use of the ngx_http_realip_module to set the $remote_addr and
        # $remote_port to the client address and client port, when using proxy
        # protocol.
        # First set our proxy protocol proxy as trusted.
        set_real_ip_from 172.31.17.140;
        # Then tell the realip_module to get the addreses from the proxy protocol
        # header.
        real_ip_header proxy_protocol;

        error_page 404 /404.html;
      '';
    };
  };

  systemd.tmpfiles.rules = [
    "d ${dataDir} 0755 ${deployUser} ${deployUser}"
  ];

  users.users."${deployUser}" = {
    isNormalUser = true;
    group = "${deployUser}";
    openssh.authorizedKeys.keys = [
      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILxMnllgRD6W85IQ0WrVJSwr7dKM8PLNK4pmGaJRu0OR deploy key for hackertours.hamburg.ccc.de"
    ];
  };
  users.groups."${deployUser}" = { };
}