version: "3" services: db: image: mariadb:10.3 volumes: - db-data:/var/lib/mysql environment: MYSQL_ROOT_PASSWORD: example networks: - backend dolibarr: build: ./image ports: - "80:80" depends_on: - "db" networks: - backend adminer: image: adminer restart: always ports: - 8080:8080 networks: - backend networks: backend: volumes: db-data: