version: '3'  services:   db:     image: mariadb     volumes:       - database:/var/lib/mysql:rw     restart: always     networks:       - private     environment:       MYSQL_ROOT_PASSWORD: chevereto_root       MYSQL_DATABASE: chevereto       MYSQL_USER: chevereto       MYSQL_PASSWORD: chevereto    chevereto:     depends_on:       - db     image: nmtan/chevereto     restart: always     networks:       - private     environment:       CHEVERETO_DB_HOST: db       CHEVERETO_DB_USERNAME: chevereto       CHEVERETO_DB_PASSWORD: chevereto       CHEVERETO_DB_NAME: chevereto       CHEVERETO_DB_PREFIX: chv_     volumes:       - chevereto_images:/var/www/html/images:rw     ports:       - 8008:80  networks:   private: volumes:   database:   chevereto_images: