Docker 安装 MySQL

docker run -p 3306:3306 --name mysql5.7 -v /conf/mysql:/etc/mysql/conf.d -e MYSQL_ROOT_PASSWORD=123456 -d mysql:5.7 --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
-p 端口映射
-d 守护进程运行（后台运行）
-v Docker 目录 和 宿主机目录做映射
-e 传入环境变量值（给数据库设密码）

[root@centos-linux jimmy]# docker exec -t -i mysql5.7 /bin/bash
root@0b8bc430adfb:/# mysql -uroot -p
Enter password: 
mysql> ALTER user 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456';
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)
mysql> quit
Bye
root@0b8bc430adfb:/# exit
exit
[root@centos-linux jimmy]# docker restart mysql5.7