Login
heroku login
clone app
git clone ...
Create an app on heroku
heroku create %APP_NAME%
Now deploy your code:
git push heroku main
Heroku recognizes an app as Node.js by the existence of a package.json file in the root directory.
open app
heroku open
View application logs:
heroku logs --tail
Procfile declare what command should be executed to start your app.
web: npm start
web declares that this process type will be attached to the HTTP routing stack of Heroku, and receive web traffic when deployed.
check how many dynos are running (a dyno as a lightweight container that runs the command specified in the Procfile.)
heroku ps
Scale the app
heroku ps:scale web=1
Run the app locally
heroku local web
Start a console
heroku run bash