version: '3'
services:
    db:
        image: mysql
        container_name: mysql # 容器名
        command: mysqld --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci #设置utf8字符集
        restart: always
        volumes:
            - ./database:/var/lib/mysql
        environment:
            - MYSQL_ROOT_PASSWORD=XXXX
            - MYSQL_DATABASE=XXXXX
            - MYSQL_USER=XXXXX
            - MYSQL_PASSWORD=XXXXX
        ports: 
            - 3306:3306