const express = require('express') ;
const mongoose = require('mongoose') ;
const app = express() ;
const MONGO_URI = `mongodb+srv://Cantilever:Cantilever@cluster0.dqxva.mongodb.net/myFirstDatabase?retryWrites=true&w=majority`

mongoose.connect(MONGO_URI, { useNewUrlParser: true,  useUnifiedTopology: true }).
then(result => {
    console.log('connected');
    app.listen(3000) ;
})
.catch(err => {
    console.log(err);
})