After installing mysql, docker entered the container and found that he could not log in to MySQL

1、 Modify the configuration file my.cnf, stay [mysqld] Add the following code

skip-grant-tables

2、 Restart container

docker restart  Containers ID

3、 Into the container

docker exec -it  Containers ID　/bin/bash

＃　4、 Sign in mysql

mysql -uroot

＃　５、 Do the following

// Switch database 
use mysql;
# Change encryption 
update user set plugin='mysql_native_password' where user='root'; 

# Set the password 
alter user 'root'@'localhost' IDENTIFIED BY '123456';

# Refresh permission table 
flush PRIVILEGES;

＃　6、 Comment out my.cnf Inside skip-grant-tables
＃　７、 Restart container

docker restart  Containers ID