name: cities services: db: image: mariadb:11.3.2 container_name: cities-dev-db environment: MARIADB_USER: user MARIADB_PASSWORD: password MARIADB_DATABASE: cities MARIADB_PORT: 3306 MARIADB_ROOT_PASSWORD: password ports: - "3306:3306" volumes: - ./db:/docker-entrypoint-initdb.d