db: image: postgres:9.4.5 environment: POSTGRES_USER: app POSTGRES_PASSWORD: p4ssw0rd POSTGRES_DB: app memory: 32 expose: - '5432' worker: &ruby build: . volumes: - .:/usr/src/app links: - db environment: - "RAILS_CACHE_STORE=file_store" - "DATABASE_URL=postgresql://app:p4ssw0rd@db:5432/app?encoding=utf8&pool=5&timeout=5000" - "SECRET_KEY_BASE=d4e74f017910ac56c6ebad01165b7e1b37f4c9c02e9716836f8670cdc8d65a231e64e4f6416b19c8" - "RAILS_ENV=production" command: "./docker/wait-for-it.sh -t 60 -h db -p 5432 --strict -- ./docker/worker" memory: 256 web: <<: *ruby ports: - "80:8080" command: "./docker/wait-for-it.sh -t 60 -h db -p 5432 --strict -- ./docker/web" memory: 480 seed: <<: *ruby command: "./docker/wait-for-it.sh -t 60 -h db -p 5432 --strict -- bundle exec rake db:migrate db:seed" restart: no memory: 256