anchor.diff:    void _initServer() {
       final buildIndexHtmlUrl = new UrlPattern(r'/buildIndexHtml');
       final healthCheckUrl = new UrlPattern(r'/health');
  +    final SERVER_PORT = 8887;
   
       void buildIndexHtml(HttpRequest req) {
         _fetchAndBuild();
  
positive.code: 
  const int TIMEOUT_CALLBACK_SECONDS = 60;
  final String FAILED_URL = "http://www.dartdocs.org/failed/index.html";
  
  class IsolateBuildIndex {
    Duration _timeout = const Duration(seconds: TIMEOUT_CALLBACK_SECONDS);
  
negative.code: 
    void _initDatastore() {
      // TODO: remove hard coded config
      String configFile = new File(COFNIG_FILE).readAsStringSync();
      Map config = JSON.decode(configFile);
      // TODO: remove this hack for something better.
      String rsaPrivateKey = new File(config["rsaPrivateKey"]).readAsStringSync();
  