docker-compose.yml

services:
    mysql:
        container_name: sltest_mysql
        image: mysql:8.0
        hostname: database
        ports:
            - '3306:3306'
        environment:
            MYSQL_ROOT_PASSWORD: 'root'
            MYSQL_ROOT_HOST: "%"
            MYSQL_DATABASE: ${DB_DATABASE}
            MYSQL_USER: ${DB_USERNAME}
            MYSQL_PASSWORD: ${DB_PASSWORD}
            MYSQL_ALLOW_EMPTY_PASSWORD: 1
        volumes:
            - 'mysql_data:/var/lib/mysql'
        networks:
            - sltest
        healthcheck:
            test: ["CMD", "mysqladmin", "ping", "-proot"]
            retries: 3
            timeout: 5s
        restart: on-failure
    app:
        container_name: "sltest_app"
        build:
            context: .
            dockerfile: ./Dockerfile
            args:
                UID: ${UID}
                GID: ${GID}
        ports:
            - "80:80"
        volumes:
            - '.:/var/www/html'
        networks:
            - sltest
        depends_on:
            - mysql     
volumes:
    mysql_data:
        driver: local
        name: sltest_mysql_data        
networks:
    sltest:
        name: sltest_network