package.json

{
  "name": "simple-nodejs-express",
  "version": "0.1.0",
  "description": "",
  "main": "server.js",
  "scripts": {
    "test": "mocha"
  },
  "author": "juanpabloaj",
  "license": "MIT",
  "dependencies": {
    "express": "^4.10.7"
  }
}

server.js

var express = require('express');
var app = express();
var site = express.Router();

var port = process.env.PORT || 8080;

site.use(function(req, res, next){
  next();
});

site.route('/')
  .get(function(req, res){
    res.send('hola js meetup!');
  });

app.use('/', site);

app.listen(port);