gistfile1.js

//./app.js

var mongoose = require('mongoose');
var db = mongoose.createConnection(cfg.mongo.uri, cfg.mongo.db);


//./models/user.js

var mongoose = require('mongoose')
, cfg = require('../config')
, bcrypt = require('bcrypt')
, Schema = mongoose.Schema;

var UserSchema = new Schema({
...
});

module.exports = mongoose.model('User', UserSchema);

//routes/index.js

var User = require('../models/user');


app still hangs.