An Introduction to Mongoose, Express for MongoDB With NodeJS

This is about how to connect with MongoDB from NodeJS.

Used Libraries

• Express 
• Mongoose

Steps...

1. npm init -y
2. npm install --save-dev nodemon
    
        coppy this inside package.json
       
        "scripts":{
                 "start": "node app",

                 "dev": "nodemon app"
          }

3. npm i express mongoose

db.js (Inside the utils folder)

const mongoose = require('mongoose');
const validator = require('validator');

const url = 'MongoDB Connection String';

mongoose.connect(url,{useUnifiedTopology:true,useNewUrlParser:true})
.then(res => console.log(res))
.catch(err => console.log(err));

app.js

const express = require('express');
require('./utils/db');

const app = express();


app.listen(3000); 

For execute npm run dev