server.js

'use strict';

const express = require('express');
// const socket = require('socket.io');
const path = require('path');

const PORT = process.env.PORT || 3001;
const INDEX = path.join(__dirname, '/build/index.html');

const server = express()
  .use((req, res) => res.sendFile(INDEX) )
  .listen(PORT, () => console.log(`Listening on ${ PORT }`));

// const io = socket(server);

// io.on('connection', (socket) => {
//   console.log('Client connected');
//   socket.emit('hello');
//   socket.on('disconnect', () => console.log('Client disconnected'));
// });