Ruby on Rails Continuous Integration with Jenkins and Docker Compose

docker-compose.yml

db:
  image: postgres
  ports:
    - "5432"
 
redis:
  image: redis
  ports:
    - "6379"
 
web:
  build: .
  command: bundle exec rails s -p 3000 -b '0.0.0.0'
  volumes:
    - .:/myapp
  ports:
    - "3000:3000"
  environment:
    - DB_USERNAME=postgres
    - DB_PASSWORD=
  links:
    - db
    # - redis
 
# sidekiq:
#   build: .
#   command: bundle exec sidekiq
#   links:
#     - db
#     - redis
#   volumes:
#     - .:/usr/src/service