deploy nodejs app to heroku code example

Example 1: deploy to heroku

$ git add .
$ git commit -m "Added a Procfile."
$ heroku login
Enter your Heroku credentials.
...
$ heroku create <app-name>
Creating arcane-lowlands-8408... done, stack is cedar
// now create procfile
//
//node app.js
// 
$ git push heroku master
-----> Node.js app detected
...
-----> Launching... done
       http://arcane-lowlands-8408.herokuapp.com deployed to Heroku

Example 2: deploy react app to heroku

const path = require('path');const express = require('express');const app = express();const publicPath = path.join(__dirname, '..', 'public');const port = process.env.PORT || 3000;app.use(express.static(publicPath));app.get('*', (req, res) => {   res.sendFile(path.join(publicPath, 'index.html'));});app.listen(port, () => {   console.log('Server is up!');});