Solve the problem of garbled code in the MySQL execution SQL script database in docker (no need to rebuild the container)

1. reason

docker Medium mysql The default encoding of the image conflicts with Chinese and English .

2. solve

Built container , No need to restart mysql

This method can only modify the code temporarily , Used to perform sql Script , The original code will be restored after the database is restarted .

1. Get into mysql Containers
   docker exec -it Containers ID bash
2. Sign in mysql
   mysql -u user name -p password
3. Modify encoding
   Execute the command one by one
   set character_set_client=utf8;
   set character_set_connection=utf8;
   set character_set_database=utf8;
   set character_set_results=utf8;
   set character_set_server=utf8;
   In execution sql The script can be .

Built container , Need to restart mysql

modify my.cnf Configuration file

1. Get into mysql Containers
   docker exec -it Containers ID bash
2. Modify the configuration file
   vi /etc/mysql/my.cnf
   There are differences in file locations It can be used find Command to find .
3. stay my.cnf Add
   [client]
   default-character-set=utf8
   [mysqld]
   default-character-set=utf8
4. restart mysql that will do
   /etc/rc.d/init.d/mysql restart
   There are also differences in file locations use find Just search .

Container not built

For unbuilt containers , New on host my.cnf, Setup profile （ password , port , Coding, etc Baidu copy directly my.cnf The required configuration information ）, When building the container, the host's my.cnf Hang on to docker Then you can .