how to push to heroku without overwriting database code example

Example 1: heroku create app

heroku create <app_name_you_want_it_to_be>
# Make sure you have heroku CLI installed and have added it to PATH.

Example 2: how to trigger new heorku build without diting git

heroku builds:create --source-url https://user:[email protected]/repos/<username>/<repo name>/tarball/master/ --app <app-name>