#kubectl  exec -it mysql-0 bash
#mysql -uroot -pmysqlnacos

>CREATE DATABASE nacos;
>USE nacos;
>CREATE USER 'nacos'@'%' IDENTIFIED BY 'mysqlnacos';
>GRANT ALL PRIVILEGES ON nacos.* TO 'nacos'@'%';
>FLUSH PRIVILEGES;
>SHOW GRANTS FOR 'nacos'@'%';