A MongoDB Middleware.

Boilerplate

mongoose = require('mongoose')
mongoose.connect("mongodb+srv://<username>:<password>@cluster0.jae3r.mongodb.net/?retryWrites=true&w=majority&appName=Cluster0")
    .then( () => {
        console.log("connected to database");
    })
    .catch( () => {
        console.log("connectio nfailed");
    });

To have objects to store in the Document Object Database, you need to create models.

MongoDB Models