本文的前提是本地Docker环境已经配置成功，参考Windows 10安装Docker并使用私钥连接AWS EC2
1. 参考资料
https://dev.mysql.com/doc/refman/8.0/en/grant.html
https://www.jeffgeerling.com/blog/2017/how-fix-host-1721801-not-allowed-connect-mysql-docker
https://hub.docker.com/_/mysql?tab=description&page=5&ordering=last_updated
2. 运行docker pull MysqL:5.7.34下载image
5.7.34: Pulling from library/MysqL
69692152171a: Pull complete
1651b0be3df3: Pull complete
0f86c95aa242: Pull complete
37ba2d8bd4fe: Pull complete
497efbd93a3e: Pull complete
a023ae82eef5: Pull complete
e76c35f20ee7: Pull complete
e887524d2ef9: Pull complete
ccb65627e1c3: Pull complete
Digest: sha256:a682e3c78fc5bd941e9db080b4796c75f69a28a8cad65677c23f7a9f18ba21fa
Status: Downloaded newer image for MysqL:5.7.34
docker.io/library/MysqL:5.7.34
d53b544bd61131e960f6983acfb3392a37283b5d469ce782c1f0210d71d7fadc
3. 启动MysqL
docker run -v {VOLUME PATH}:/var/lib/MysqL --name test-MysqL -p 3306:3306 -e MysqL_ROOT_PASSWORD=123456 -d MysqL:5.7.34
{VOLUME PATH}为数据持久化的位置，初始化时必须为空
4. 宿主机连接
5. 创建新用户和数据库
CREATE USER '{USERNAME}'@'%' IDENTIFIED BY '{PASSWORD}';
create database `{DATABASE}`
GRANT ALL ON {DATABASE}.* TO '{USERNAME}'@'%';
6. 用新用户登录
docker exec -it {CONTAINER ID} MysqL -u {USERNAME} -p
