app.js

var express = require('express');
var config = require('./config');
var controller = require('./helpers/controller.js');
var authMiddleware = require('./middlewares/AuthMiddleware');
var loggerMiddleware = require('./middlewares/LoggerMiddleware');
var bodyParser = require('body-parser');

require('mongoose').connect(config.mongoUri);

var app = express();

app.use(loggerMiddleware);

app.use(bodyParser.json());

app.use('/api/auth', controller('auth'));
app.use(authMiddleware);
app.use('/api/demo', controller('demo'));
app.use('/api/user', controller('user'));
app.use('/api/activities', controller('activities'));

var port = process.env.PORT || config.port;
app.listen(port, function () {
    console.log("Application listening on port %s", port);
});

/* Extra code from controller.js */
function capitalizeFirstLetter(string) {
    return string.charAt(0).toUpperCase() + string.slice(1);
}

module.exports = function (name) {
    return require('./../controllers/'+capitalizeFirstLetter(name)+'Controller');
}