version: "3.3" services: app: build: ../ ports: - 3000:3000 environment: - DB_HOST=db - DB_PORT=3306 db: image: mariadb command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW restart: always volumes: - db:/var/lib/mysql - ./sql:/docker-entrypoint-initdb.d env_file: - db.env volumes: db: