heroku.yml build manifest is now available (developer preview)
Change effective on 29 November 2017
heroku.yml is a new manifest for defining your app’s build, allowing you to:
- Easily add packages to your application from apt
- Define commands that you would like to run pre and post compilation
- Take advantage of Review Apps when deploying Docker-based applications
- Build your Docker images on Heroku
heroku.yml currently supports building Ruby, Java, and Docker-based apps. To get started, check out the heroku.yml Dev Center documentation.