mongoose simple sample

sample.js

var mongoose = require('../lib/mongoose')
  , Schema = mongoose.Schema;

var db = mongoose.connect('mongodb://localhost:27017/mydb');

var User = new Schema({
    name : String
  , age : Number
});

var UserModel = mongoose.model('User', User);
var user = new UserModel({
    name : 'Jxck'
  , age : 25

});

user.save(function(err){
  err? console.log(err): console.log('saved!');
  process.exit(1);
});