static express server

server.js

let express = require('express');
let app = express();
let path = require('path');

app.use(express.static(path.join(__dirname, '.')));

app.all('/*', function (req, res) {
    res.sendFile('index.html', {root: __dirname});
});

let server = app.listen(process.env.PORT || 3333, function () {
    let host = server.address().address;
    let port = server.address().port;
    console.log('Listening at http://%s:%s', host, port);
});