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 Mongoose Models