code: public static Server defaultHttp(ServiceAccessor accessor, Vertx vertx) {
          return new Server(
                  accessor,
                  vertx,
                  "default-http",
                  accessor.getConfiguration().getIntegerWithDefault("http.port", 9000),
                  false, false,
                  null,
                  Collections.<String>emptyList(), Collections.<String>emptyList(), null);
      }
docs: Creates the default HTTP server (listening on port 9000 / `http.port`), no SSL, no mutual authentication,
  accept all requests.
  
  @param accessor the service accessor
  @param vertx    the vertx singleton
  @return the configured server (not bound, not started)