version: "3.8"
services:
    db:
        image: mariadb
        ports: 
            - "3306:3306"
        command: --default-authentication-plugin=mysql_native_password
        environment:
            MYSQL_DATABASE: dbname
            MYSQL_PASSWORD: test
            MYSQL_ROOT_PASSWORD: test 
        volumes:
            - ./bd:/docker-entrypoint-initdb.d
            - persistent:/var/lib/mysql
        networks:
            - default
    www:
        build: .
        ports: 
            - "80:80"
        volumes:
            - ./www:/var/www/html
        links:
            - db
        networks:
            - default