egg 连接 mysql 的 docker 容器，报错：Client does not support authentication protocol requested by server; consider upgrading MySQL client
解决办法：
mysql 中执行如下语句：
mysql> ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'yourPassword';
附：
'root'@'localhost' 与 'root'@'%' 的区别：
https://blog.csdn.net/lzq123_1/article/details/40863971