packager-createserver.js

function runServer(options, readyCallback) {
  var app = connect()
    .use(loadRawBody)
    .use(openStackFrameInEditor)
    .use(getDevToolsLauncher(options))
    .use(statusPageMiddleware)
    // Temporarily disable flow check until it's more stable
    //.use(getFlowTypeCheckMiddleware(options))
    .use(getAppMiddleware(options));

  options.projectRoots.forEach(function(root) {
    app.use(connect.static(root));
  });

  app.use(connect.logger())
    .use(connect.compress())
    .use(connect.errorHandler());

  return http.createServer(app).listen(options.port, '::', readyCallback);
}