Create a simple server with express.js

server.js

var express = require('express');
var app = express();
var port = process.env.PORT || 8080;

// routes
app.get('/test', function(request, response) {
    response.send('Test router!');
});

// router with params
app.get('/hello/:name', function(request, response) {
    name = request.params.name;
    response.send('Hello ' + name);
});

app.listen(port);
console.log('Magic happens on port ' + port);