Code for mongosv

gistfile1.js

var Server = require('mongodb').Server;
var Db = require('mongodb').Db;

new Db('users',
  new Server("localhost", 27017, {auto_reconnect:true}), {safe:true}).open(function(err, db) {
    if (err) throw err;

    db.authenticate('rocketuser', 'rocketpass', function(autherr, result) {
      if (autherr) throw autherr;

      db.collection('accounts', function(colerr, collection) {
          if (colerr) throw colerr;

          // Define a simple JSON document
          var doc = {'login': 'bob', 'password': 'secret'}

          // Insert our document
          collection.insert(doc, {}, function(){});

          // Change our password
          collection.update({'login': 'bob'}, 
                            {'$set': {'password': 'notsosecret'}}, 
                            function(){});

          // Retrieve our document
          collection.findOne({}, function(finderr, docs) {
            if (finderr) {
              console.log(finderr);
            } else {
              return console.log(docs);
            };
          });

      });

    });

});