init set up
$ heroku plugins:install heroku-docker
$ heroku docker:init
Local development
$ docker-compose build
$ docker-compose up
$ docker-compose down
deployment
$ heroku create
$ heroku docker:release
$ heroku open
$ heroku plugins:install heroku-docker
$ heroku docker:init
$ docker-compose build
$ docker-compose up
$ docker-compose down
$ heroku create
$ heroku docker:release
$ heroku open