You will need an external database. Mongolab.com gives you 240megs of
free space for a mongodb database. Install mongoose via npm and open
an account on mongolab. Once you create your database you will see a
connect string to use for mongoose.connect. Works fine with nodester.
e.g.
var mongoose = require('mongoose');
var db = mongoose.connect('mongodb://
username:pass...@ds029807.mongolab.com:29807/your_database_name');
// define model
// create a record and do something.