panic: Error 1045: Access denied for user ‘root‘@‘117.61.242.215‘ (using password: YES)

Problem description ：
1） Picture description ：
perform start.sh Script ,goods-srv Sign up to Consul Failure .

2） A word description ：
On the cloud server , Use Docker install MySQL 8, After a while , There is a password problem when accessing the database .
====== Understand the beginning ======：
If you use mysql -uroot -pZXCzxc123 Can connect to , The password is ok .
Otherwise, the password is wrong . The error reported at this time is ：

mysql: [Warning] Using a password on the command line interface can be insecure.
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

Read and understand what the code prompt means .
====== Understanding end ======.
Solution ：

###  Open your eyes and see clearly ：1b3ddbed  yes  mysql  Containers ID
[[email protected] target]# docker exec -it 1b3ddbed /bin/bash
[email protected]:/# mysql -uroot -pZXCzxc123
# ...  Omit irrelevant code 
mysql> use mysql;
# ...  Omit irrelevant code 
Database changed

mysql> update user set host = '%' where user ='root';
Query OK, 1 row affected (0.01 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)

mysql> ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456';
Query OK, 0 rows affected (0.00 sec)

mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec) 

[[email protected] target]# docker restart 1b3dd
1b3dd
[[email protected] target]# ./start.sh 
starting goods_srv_main
start goods_srv_main success
[[email protected] target]# 

thus ：
perform start.sh Script ,goods-srv Sign up to Consul Failure —》 perform start.sh Script ,goods-srv Sign up to Consul success .
Problem solving .