1. 从dockerhub上pull mariadb镜像

   docker pull mariadb
   

2. 启动mariadb

   docker run --name mysql1 -e MYSQL_ROOT_PASSWORD=root -d mariadb
   

3. 进入mariadb

   docker exec -it mysql1 /bin/bash

4. 修改mariadb的配置文件

   文件所在目录：/etc/mysql/conf.d/mariadb.cnf

   修改内容：

    [client]
   # Default is Latin1, if you need UTF-8 set this (also in server section)
    default-character-set = utf8

   [mysqld]
   # Default is Latin1, if you need UTF-8 set all this (also in client section)
   character-set-server  = utf8

5. 提交mysql容器，生成新的镜像，保存修改

   docker commit mysql1  mariadb:v1
   

docker mariadb镜像中文乱码