message: Connects without callback
diff: @@ -22,15 +22,14 @@ const app = express();
  const startWorker = (id) => {
  console.log(`Started worker ${id}`);
  - cache.setup(() => {
  + cache.connect();
  setup(app);
  - return app.listen(PORT, () => {
  + app.listen(PORT, () => {
  console.log(`Listening on port ${PORT}`);
  // eslint-disable-next-line
  return typeof process.send === 'function' ? process.send('listening') : void 0;
  });
  - });
  process.on('SIGTERM', () => {
  console.log(`Worker ${id} exiting`);
  