message: redirect is handled in helpers
diff: server {
  include /etc/nginx/conf.d/drupal/server_prepend*.conf;
  - include /etc/nginx/helpers/*.conf;
  -
  - if ($redirectdomain) {
  - return 301 $redirectdomain;
  - }
  -
  listen ${NGINX_LISTEN:-8080} default_server;
  + include /etc/nginx/helpers/*.conf;
  +
  root /app/${WEBROOT:-};
  index index.php;
  