Heroku Toolbelt plugin to help configure, test and release apps to Heroku using Docker and Docker Compose.
$ heroku plugins:install heroku-docker
See the Dev Center Documentation for details of use.
$ heroku help docker
Usage: heroku docker
Use Docker to build and deploy Heroku apps
Additional commands, type "heroku help COMMAND" for more details:
docker:init # create Dockerfile and docker-compose.yml
docker:release # create and release slug to app
For help with a particular command:
$ heroku help docker:init
Usage: heroku docker:init
-i, --image IMAGE # the Docker image from which to inherit
-f, --force # overwrite existing Dockerfile and docker-compose.yml
Creates a Dockerfile and docker-compose.yml for the app specified in app.json
Checkout the plugin source code and tell the Heroku CLI to use your local version of the plugin (instead of the default one distributed with NPM).
$ git clone https://github.com/heroku/heroku-docker.git
$ cd heroku-docker
$ npm install
$ heroku plugins:link .
The mapping from Heroku add-on specified in app.json to container configured in docker-composer.yml is tracked in lib\app.json.
The mapping currently includes a limited subset of add-ons that we have tested. We welcome additions in the form of PRs.