const mongo = require('cdi-mongo-connect');

mongo.connect({
    host: 'localhost',
    port: 27017,
    database: 'testdb'
});

// with auth
mongo.connect({
    host: 'localhost',
    user: 'john',
    password: 'password',
    port: 27017,
    database: 'testdb'
});

// with URL string
mongo.connect('mongodb://localhost:27017/myproject');

const mongo = require('cdi-mongo-connect');
/* ... */
const user  = mongo.db.collection('user');

user
.findOne(
    {'email': data.email},
    callback
)