查詢docker hub上的映象

[[email protected] ~]$ docker search mysql
NAME                     DESCRIPTION                                     STARS     OFFICIAL   AUTOMATED
mysql                    MySQL is a widely used, open-source relati...   2903      [OK]       
mysql/mysql-server       Optimized MySQL Server Docker images. Crea...   190
 
                  [OK]
centurylink/mysql        Image containing mysql. Optimized to be li...   46                   [OK]

下載映象到本地

[[email protected] ~]$ docker pull mysql

預設下載的是docker官方維護的，也就是search到的第一個。

建立容器

[[email protected] ~]$ docker run --name mysqldb -e MYSQL_ROOT_PASSWORD=root -d mysql

-e,指定環境變數。

得到mysql映象的IP

[[email protected] ~]$ docker inspect mysqldb|grep IPAddress
　　　　　"IPAddress": "172.17.0.4",
        "SecondaryIPAddresses": null

連線mysql

[[email protected] ~]$ mysql -h 172.17.0.4 -u root -p

密碼為上面指定的root

將初始化好的mysql儲存為映象

[[email protected] ~]$ docker commit mysqldb mysql:1.0
 

3ed4a367c21eb509f1c4e0a772c3e5bdff678497be55700ea256ef34ad87cfc6
[[email protected] ~]$ docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
mysql               1.0                 3ed4a367c21e        3 seconds ago       384.6 MB
mysql               latest              826df4733292        37 hours ago        384.5 MB
centos              latest              d83a55af4e75        3 weeks ago         196.7 MB
cirros              latest              d8ca8144dee3        7 months ago        7.735 MB