Docker is equipped with the latest MySQL image

1.  docker run -p [** Own port mapping such as  3307]**:3306 --name [** Your container name **] -e MYSQL_ROOT_PASSWORD=[** Your password **] -d mysql:[**mysql Version number ]** --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
   

2. 1251 error
   1. Get into mysql Containers

    docker exec -it  Containers id bash
   
    [email protected]:/# mysql -uroot -p
   //  Authorize remote connections ：
    mysql> GRANT ALL ON *.* TO 'root'@'%';
   

   2. Change user password

   ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456';
   
    to update user by root,host by %  The password for 123456
   
   ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456';
   
    to update user by root,host by localhost  The password for 123456