text: const path = require('path');
  const express = require('express');
  const app = express();
  const publicPath = path.join(__dirname, '..', 'public');
  
  const port = process.env.PORT || 3000;
  
  app.use(express.static(publicPath));
  
  app.get('*', (req, res) => {
    res.sendFile(path.join(publicPath, 'index.html'));
  });
  
  app.listen(port, () => {
    console.log('Server is up on port ' + port);
  });