app.js

var express    = require('express'), // Express framework
    mongoose   = require('mongoose'), // MongoDB Mapping
    bodyParser = require('body-parser'), // Request body parsing
    config     = require('./config'), // Config options
    app        = express() // Creating the express app

// Creating MongoDB Conntection
mongoose.connect(config.database.mongo_uri)

// Conditional module loading if in development
if ('development' == app.get('env')) {
  app.use(require('errorhandler')())
}

// Express app config options
app.use(bodyParser.json())
app.set('port', config.server.port)

// Set as public root directory for static content
app.use("/public", express.static(__dirname + '/public'));

// Requiring RESTful user routes
require('./routes')(app)

// Starting server
app.listen(config.server.port, function() {
  var status = 'Express server listening on port ' + 
                app.get('port') + ' in ' + 
                app.get('env') + ' mode.'
  console.log(status)
})