app.js

/**
 * Module dependencies.
 */

var express = require('express')
  , routes = require('./routes')
  , Db = require('mongodb').Db
  , MongoClient = require('mongodb').MongoClient
  , Server = require('mongodb').Server
  , assert = require('assert')
  ;

var url = "mongodb://localhost:27015/avoider";
MongoClient.connect(url, function(err, db) {
  assert.equal(null, err);
  console.log("Connected to MongoDB");
});

var db = new Db('test', new Server('localhost', 27015));
db.open(function(err, db) {
  var collection = db.collection("simple");
  collection.insert({hello:'world'});
  console.log('inserted successfully');
});

var app = module.exports = express.createServer();

// Configuration

app.configure(function(){
  app.set('views', __dirname + '/views');
  app.set('view engine', 'jade');
  app.use(express.bodyParser());
  app.use(express.methodOverride());
  app.use(app.router);
  app.use(express.static(__dirname + '/public'));
});

app.configure('development', function(){
  app.use(express.errorHandler({ dumpExceptions: true, showStack: true }));
});

app.configure('production', function(){
  app.use(express.errorHandler());
});

// Routes

app.get('/', routes.index);

app.post('/', function(request, response){
  db.open(function(err, db) {
    var collection = db.collection("simple");
    collection.insert({hello:'world', mello:'test2'});
    console.log('inserted successfully world');
  });

  console.log('inserted');
  console.log(request.body);
  response.send(request.body);
});


app.listen(3000, function(){
  console.log("Express server listening on port %d in %s mode", app.address().port, app.settings.env);
});