Code modularity / organization

db.js

module.exports = function(){
    var mongoose = require('mongoose');
    
    mongoose.connect('mongodb://localhost/app');
    
    var db = mongoose.connection;
    
    var usrSchema = new mongoose.Schema({
        user: { type: String, required: true },
        password: { type: String, required: true },
        DLU: { type: Date }
    });
    
    var User = mongoose.model('user', userSchema);
    
}

find.js

require('./db');
/*
var mongoose = require('mongoose');    
mongoose.connect('mongodb://localhost/app');
var db = mongoose.connection;
var usrSchema = new mongoose.Schema({
    user: { type: String, required: true },
    password: { type: String, required: true },
    DLU: { type: Date }
});
var User = mongoose.model('user', userSchema);
*/

User.find(function(err,docs){
    console.log(docs);
});