How to Deploy Nodejs and Express Backend service on Netlify

Hosting Nodejs and Express backend api service on netlify is completely free and easy to use

step 1 : Create folder netlifyHosting

              mkdir netlifyHosting

              cd netlifyHosting

Step 2 : Create Node project using 

      npm init -y

step 3 : Install express 

      npm install express --save   

step 4 : Install serverless-http

              npm install serverless-http --save 

step 5 : Install netlify-lambda

       npm install netlify-lambda --save

step 6 : Create file netlify.toml and create below code in it

             [build]

     functions="functions"

step 7 : Edit package.json file 

      a) "main": "./src/api.js"

              b) "scripts": {

               "start": "NODE_ENV=development ./node_modules/.bin/netlify-lambda serve src",

               "build": "NODE_ENV=production ./node_modules/.bin/netlify-lambda build src"

              }

step 8 : Create src folder in root directory

step 9 : Create functions folder in root directory      

step 10 : Create api.js file inside src folder

step 11 : Write below code in api.js

               const express = require("express");

               const serverless = require("serverless-http");

        

               const app = express();

               const router = express.Router();

 

                router.get("/", (req, res) => {  

            res.json({

            hello: "hi!",

                      });

                 });

                app.use(`/.netlify/functions/api`, router);

               module.exports = app;

               module.exports.handler = serverless(app);

step 12 : npm start

step 13 : open chrome browser and entry

         http://localhost:9000/.netlify/functions/api

step 14 : Now Deploy your application on netlify its ready to deploy

for complete Details

https://www.youtube.com/watch?v=wz6vQOY0_W8

 directory structure should look like

    - node_module

    - functions

    - netlify.toml

    - src

       - api.js

    - package.json