Source – semaphoreci.com Introduction In this tutorial, we’ll go through the continuous integration and deployment of a dockerized Python Flask application with Semaphore. We’ll deploy the application to Heroku. Continuous integration and deployment help developers to: Focus on developing features rather than spending time on manual deployment, Be certain that their application will work as expected, Update existing applications or rollback features by versioning applications using Git, and Eliminate the it works on my machine issue by providing a standardized testing