ChatRooms/index.js

const fs = require('fs');
const http = require('http');
const express = require('express');

const app = express();
const clientPath = __dirname+'/../html';
console.log('Serving static from ' + clientPath);
app.use(express.json());
app.use(express.static(clientPath));
const server = http.createServer(app);

app.post('/message', (req, res) => {
    const { user, message } = req.body;
    res.status(200).json({message});
});

server.on('error', err => {
    console.error('Internal server error', err);
});

server.on('close', () => {
    console.log("Shutting down ...");
});

server.listen(3000, () => {
    console.log('Server running on port 3000');
});