Hello World in Express +Swig + MongoDb

hello_express_swig_mongodb.js

// Initialise Express
var express = require('express'),
    app = express();

// Initialise Consolidate
var consolidate = require('consolidate');

// setup swig as the view html engine
app.engine("html", consolidate.swig);
app.set("view engine", "html");

// setup views directory
app.set("views", __dirname+"/views");

// initialise Mongodb objects
var MongoClient = require('mongodb').MongoClient;
var ServerInfo = require('mongodb').Server;

var mongoclient = new MongoClient(new ServerInfo('localhost', 27017, { "native_parser": true }) );

// Define which mongodb's database we want to work with
var db = mongoclient.db('demo');

// Define '/' route:
app.get('/', function(request, response){
	// Retrieve the document we want to render
	db.collection('hello_mongodb_express').findOne({}, function(err, result){
		if (err) throw err;
		
		// render hello.html view page
		response.render('hello', result);
	});
});

// Define '404 - Page not found' route
app.get('*', function(request, response){
	response.send(404, "404 - Page Not Found");
});

// Connect to the mongodb
mongoclient.open(function(err, mongoclient){
	if (err) throw err;

	// Had the express instance to listen port 8080
	app.listen(8080);
	console.log('Express server is started on port 8080');	
});

package.json

{
	"name": "hello_express_swig",
	"version": "0.0.0",
	"main": "app.js",
	"dependencies": {
		"express": "~4.4.1",
		"consolidate": "~0.10.0",
		"swig": "~1.3.2",
		"mongodb": "~1.4.5"
	},
	"license": "GPL",
	"author": "Wendy Sanarwanto"
}