build:
  docker:
    web: Dockerfile

release:
  image: web
  command:
    - bundle exec rake db:migrate

run:
  web:
    image: web
  worker:
    image: web
    command:
      - bundle exec sidekiq --config config/sidekiq.yml

$ heroku stack:set container

$ git push heroku master

run:
  web: bundle exec rake assets:precompile

release:
  image: web
  command: bundle exec rails db:migrate

release:
  image: web
  command: 
    - bundle exec rails assets:precompile
    - bundle exec rails db:migrate

setup:
  addons:
    - plan: heroku-postgresql
      as: DATABASE
  config:
    S3_BUCKET: my-example-bucket