version: '3' services: mysql: image: mysql:5.7.17 command: --sql-mode="" restart: always volumes: - ./mysql_data/:/var/lib/mysql ports: - "3306:3306" environment: MYSQL_ROOT_PASSWORD: 123456789 MYSQL_DATABASE: educoder redis: image: redis:3.2 container_name: redis restart: always ports: - "6379:6379" volumes: - ./redis_data:/data web: image: guange/educoder:latest command: bash -c "rm -f tmp/pids/server.pid && bundle exec rails s -p 4000 -b '0.0.0.0'" stdin_open: true tty: true volumes: - .:/app ports: - "4000:4000" depends_on: - mysql - redis