docker 如何修改mysql的root密码

docker exec -it 容器ID /bin/bash

mysql -uroot -p

输入密码后，登录mysql终端

SET PASSWORD FOR 'root' = PASSWORd('设置的密码');

重启mysql容器即可

docker restart 容器ID

补充：docker 启动mysql容器启动初始化默认密码问题 -e MYSQL_ROOT_PASSWORD

docker run -p 3308:3308 --name=mysql -e MYSQL_ROOT_PASSWORD=123456 mysql:5.6
Initializing database

[root@localhost mugutu]# docker run -p 3308:3308 --name=mysql -e MYSQL_ROOT_PASSWORD=123456 mysql:5.6
Initializing database
2018-12-02 13:42:53 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2018-12-02 13:42:53 0 [Note] Ignoring --secure-file-priv value as server is running with --bootstrap.
2018-12-02 13:42:53 0 [Note] /usr/sbin/mysqld (mysqld 5.6.41) starting as process 32 ...

以上为个人经验，希望能给大家一个参考，也希望大家多多支持考高分网。如有错误或未考虑完全的地方，望不吝赐教。