问Wordpress & Docker。尝试与WP控制台交互，包括更新问题

EN

version: '3'
services: 
    #######  Database service  #######
    db:
        image: mysql:5.7
        volumes:
            # This gives us persistence
            - db_data:/var/lib/mysql
        # if the server reboots the container restarts
        restart: always
        # define your mysql environment variables
        environment:
            MYSQL_ROOT_PASSWORD: password
            MYSQL_DATABASE: wordpress
            MYSQL_USER: wordpress
            MYSQL_PASSWORD: wordpress
        networks:
            - wpsite
        

    #######  phpmyadmin service  #######
    phpmyadmin:
        depends_on: 
            - db
        image: phpmyadmin/phpmyadmin
        restart: always
        ports:
            - '8080:80'
        environment: 
            PMA_HOST: db
            # as above in the db service
            # your phymyadmin login is root/password
            MYSQL_ROOT_PASSWORD: password
        networks:
            - wpsite


    #######  Wordpress service  #######
    wordpress:
        depends_on:
            - db
        image: wordpress:latest
        ports:
            # local:8000, container:80
            - '8000:80'
        restart: always
        # okay so we want the WP install in the container to sync locally here
        # Mapping './' (local current folder) to '/var/www/html' (container's web root folder as we're using apache)
        volumes: ['./:/var/www/html']
        environment: 
            # the host is going to be the db service by mysql above, port 3306 is the default for mysql
            # we've already setup the DB user above
            WORDPRESS_DB_HOST: db:3306
            WORDPRESS_DB_USER: wordpress
            WORDPRESS_DB_PASSWORD: wordpress
        networks:
            - wpsite
            # map the volume of db_data (in service db above) and the network of 'wpsite'
networks: 
    wpsite:
volumes:
    db_data:

# Now go and run docker-compose up -d