how to upload git to heroku code example
Example 1: git remote add heroku
heroku git:remote -a project
Example 2: git push to heroku
$ git push heroku master
Example 3: heroku git remote
heroku git:remote -a name-of-app
Example 4: deploying to heroku from git
$ git push heroku master
Initializing repository, done.
updating 'refs/heads/master'
...