Prerender service

Setup

npm install

Add the following into your nginx config (note the service runs on :4000):

  # Support page prerendering for web crawlers
  if ($args ~ "(.*)?&?_escaped_fragment_=(.*)") {
      set $args $1;
      set $cleanurl $uri$is_args$1;
      set $cleanservername $http_host;
      rewrite ^ /snapshot${cleanurl};
  }
  location /snapshot {
      proxy_set_header X-Rewrite-CleanHOST $cleanservername;
      proxy_set_header X-Rewrite-CleanURI $cleanurl;
      proxy_set_header X-Rewrite-URI $request_uri;
      proxy_pass http://localhost:4000;
      proxy_connect_timeout 60s;
  }

To start the service run node prerender