1 环境信息

查看系统内核

[root@localhost /]# cat /etc/redhat-release
CentOS Linux release 7.5.1804 (Core)

2 虚拟机拉取镜像

此处资源获取在虚拟机中进行，完成后上传到服务器安装

2.1 拉取mysql5.7镜像

[root@localhost /]# docker pull mysql:5.7

2.2 导出镜像

[root@localhost /]# docker save -o /opt/module/software/jingxiang/mysql57.tar mysql:5.7

3 服务器加载镜像

将提供的docker文件夹上传到服务器的 /opt/module/software/jingxiang 目录下

3.1 导入Mysql镜像

[root@localhost /]# docker load -i /opt/module/software/jingxiang/mysql57.tar

99b5261d397c: Loading layer [==================================================>] 58.51 MB/58.51 MB
5a8a245abd1c: Loading layer [==================================================>] 338.4 kB/338.4 kB
51734435c93c: Loading layer [==================================================>] 10.44 MB/10.44 MB
6599033b2ab2: Loading layer [==================================================>] 4.472 MB/4.472 MB
414373ffccb4: Loading layer [==================================================>] 1.536 kB/1.536 kB
2a9aab74013a: Loading layer [==================================================>] 46.15 MB/46.15 MB
7055b7f82e4c: Loading layer [==================================================>]  34.3 kB/34.3 kB
398ef8a407f7: Loading layer [==================================================>] 3.584 kB/3.584 kB
fc12e028de3b: Loading layer [==================================================>] 321.7 MB/321.7 MB
934de0c0816e: Loading layer [==================================================>] 15.87 kB/15.87 kB
94a471180601: Loading layer [==================================================>] 1.536 kB/1.536 kB
Loaded image: mysql:5.7

[root@localhost docker]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
mysql               5.7                 1e4405fe1ea9        2 weeks ago         437 MB

3.2 创建容器

[root@localhost /]#  docker run -p 3306:3306 --name mysql -e MYSQL_ROOT_PASSWORD=123456 -d mysql:5.7
1fcf644fb24c4731f70ca66edc96847452e898de7612de05b4dd188b3965883c

run                 运行一个docker容器
--name              后面这个是生成的容器的名字mysql
-p 3306:3306        表示这个容器中使用3306（第二个）映射到本机的端口号也为3306（第一个） 
-e MYSQL_ROOT_PASSWORD=123456  初始化root用户的密码
-d                   表示使用守护进程运行，即服务挂在后台

[root@localhost docker]# docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                               NAMES
1fcf644fb24c        mysql:5.7           "docker-entrypoint..."   25 seconds ago      Up 23 seconds       0.0.0.0:3306->3306/tcp, 33060/tcp   mysql

3.3 允许外部访问

# 进入容器
[root@localhost docker]# docker exec -it mysql /bin/bash
root@1fcf644fb24c:/# mysql -uroot -p123456

mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.28 MySQL Community Server (GPL)

Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY "123456";
mysql> flush privileges;

mysql> exit;
Bye
root@1fcf644fb24c:/# exit;
exit

3.4 启动服务

[root@localhost docker]# docker start mysql 

3.5 停止服务

[root@localhost docker]# docker stop mysql 

3.6 服务信息

服务     mysql
版本     5.7
用户名    root
密码     123456