text: import express from 'express';
  
  let app = express();
  let port = process.env.PORT || 3000;
  
  app.get('/', (req, res) => {
      res.send('Hello World');
  });
  
  app.get('*', (req, res) => {
      res.status(404);
      res.send('Not Found');
  });
  
  app.listen(port, () => {
      console.info(`⚙ Server running on port ${port}`);
  });
  
  export default app;
  