const mongoose = require('mongoose'); const URI = 'mongodb://localhost:27017/customers' mongoose.connect(URI, { useNewUrlParser: true, useUnifiedTopology: true }) const Customer = mongoose.model('Customer', { forename: String, surname: String }) const customer_1 = new Customer({ forename: 'Beth', surname: 'Griggs' }) customer_1.save().then((doc) => { console.log('Added new customer', doc.forename, doc.surname) })