# 使用Docker镜像
# docker镜像相关操作
# 搜索官方仓库镜像
[root@docker01 ~]# docker search centos
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
centos The official build of CentOS. 3992 [OK]
ansible/centos7-ansible Ansible on Centos7 105
1
2
3
4
2
3
4
列表说明
参数 | 说明 |
---|---|
NAME | 镜像名称 |
DESCRIPTION | 镜像说明 |
STARS | 点赞数量 |
OFFICIAL | 是否是官方的 |
AUTOMATED | 是否是自动构建的 |
# 1.获取镜像
根据镜像名称拉取镜像
[root@docker01 ~]# docker pull centos
Using default tag: latest
latest: Pulling from library/centos
af4b0a2388c6: Downloading 34.65MB/73.67MB
1
2
3
4
2
3
4
查看当前主机镜像列表
[root@docker01 ~]# docker image list
REPOSITORY TAG IMAGE ID CREATED SIZE
centos latest ff426288ea90 3 weeks ago 207MB
nginx latest 3f8a4339aadd 5 weeks ago 108MB
1
2
3
4
2
3
4
拉第三方镜像方法
docker pull index.tenxcloud.com/tenxcloud/httpd
1
# 2.导出镜像
[root@docker01 ~]# docker image list
REPOSITORY TAG IMAGE ID CREATED SIZE
centos latest ff426288ea90 3 weeks ago 207MB
nginx latest 3f8a4339aadd 5 weeks ago 108MB
# 导出
[root@docker01 ~]# docker image save centos > docker-centos.tar.gz
1
2
3
4
5
6
2
3
4
5
6
# 3.删除镜像
[root@docker01 ~]# docker image rm centos:latest
[root@docker01 ~]# docker image list
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 3f8a4339aadd 5 weeks ago 108MB
1
2
3
4
2
3
4
# 4.导入镜像
[root@docker01 ~]# docker image load -i docker-centos.tar.gz
e15afa4858b6: Loading layer 215.8MB/215.8MB
Loaded image: centos:latest
[root@docker01 ~]# docker image list
REPOSITORY TAG IMAGE ID CREATED SIZE
centos latest ff426288ea90 3 weeks ago 207MB
nginx latest 3f8a4339aadd 5 weeks ago 108MB
1
2
3
4
5
6
7
2
3
4
5
6
7
# 5. 查看镜像的详细信息
[root@docker01 ~]# docker image inspect centos
1