Simple node express with static file serve

server.js

var express = require('express'),
    app = express(),
    bodyParser = require('body-parser'),
    compress = require('compression');
    
app.use(bodyParser.urlencoded({ extended: true }));
app.use(compress());

app.use(express.static('public'));

app.get('/api/hello', function (req, res) {
    res.header('Content-Type', 'application/json');
    res.send(JSON.stringify({
        hello: 'world'
    }));
});

var server = app.listen(process.env.PORT || 3000, function () {
    var host = server.address().address;
    var port = server.address().port;
    console.log('nodejs app up and running, port %s', port);
});