version: '3' services: db: image: mariadb:latest container_name: mariadb-container env_file: - .env ports: - "3306:3306" # Map MariaDB port to host if needed volumes: - ./db:/var/lib/mysql # Mount a volume for MariaDB data app: build: context: . dockerfile: Dockerfile ports: - "5000:5000" env_file: - .env depends_on: - db