https://www.heroku.com/video/getting-started-with-the-heroku-cli/
Getting Started with the Heroku CLI | Heroku
getting started withthe heroku cli
https://devcenter.heroku.com/articles/heroku-cli
The Heroku CLI | Heroku Dev Center
How to download, install, and start using the Heroku CLI. The Heroku CLI used to be part of the Heroku Toolbelt.
the heroku clidev center