https://the-spot-backend.herokuapp.com/
Install Heroku Cli
heroku git:remote -a the-spot-backend
git remote -v
The command above should shows
heroku https://git.heroku.com/the-spot-backend.git (fetch)
heroku https://git.heroku.com/the-spot-backend.git (push)
Deploy new versions to heroku using git
git push heroku master