Docker 鏡像地址 https://registry.hub.docker.com/
搜索鏡像
$ sudo docker search centos |more NAME DESCRIPTION STARS OFFICIAL AUTOMATED centos The official build of CentOS. 542 [OK] tianon/centos CentOS 5 and 6, created using rinse instea... 28 ansible/centos7-ansible Ansible on Centos7 13 [OK] saltstack/centos-6-minimal 7 [OK] blalor/centos Bare-bones base CentOS 6.5 image 7 [OK] steeef/graphite-centos CentOS 6.x with Graphite and Carbon via ng... 6 [OK] ariya/centos6-teamcity-server TeamCity Server 8.1 on CentOS 6 6 [OK] tutum/centos Centos image with SSH access. For the root... 5 [OK] tutum/centos-6.4 DEPRECATED. Use tutum/centos:6.4 instead. ... 5 [OK]
可以使用 docker pull 命令來從官網倉庫獲取所需要的鏡像。
$ sudo docker pull ubuntu:14.04
等同於
$ sudo docker pull registry.hub.docker.com/ubuntu:14.04
獲得所有版本鏡像
$ sudo docker pull ubuntu $ sudo docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE ubuntu utopic 277eb4304907 3 days ago 215.6 MB ubuntu 14.10 277eb4304907 3 days ago 215.6 MB ubuntu 14.04 5506de2b643b 3 days ago 197.8 MB ubuntu trusty 5506de2b643b 3 days ago 197.8 MB ubuntu latest 5506de2b643b 3 days ago 197.8 MB ubuntu 14.04.1 5506de2b643b 3 days ago 197.8 MB ubuntu precise 0b310e6bf058 3 days ago 116.1 MB ubuntu 12.04.5 0b310e6bf058 3 days ago 116.1 MB ubuntu 12.04 0b310e6bf058 3 days ago 116.1 MB ubuntu 12.10 c5881f11ded9 4 months ago 172.1 MB ubuntu quantal c5881f11ded9 4 months ago 172.1 MB ubuntu 13.04 463ff6be4238 4 months ago 169.4 MB ubuntu raring 463ff6be4238 4 months ago 169.4 MB ubuntu 13.10 195eb90b5349 4 months ago 184.6 MB ubuntu saucy 195eb90b5349 4 months ago 184.6 MB ubuntu 10.04 3db9c44f4520 6 months ago 183 MB ubuntu lucid 3db9c44f4520 6 months ago 183 MB
從其他伺服器獲得鏡像
$ sudo docker pull dl.dockerpool.com:5000/ubuntu:12.04
完成後,即可隨時使用該鏡像了,例如創建一個容器,讓其中運行 bash 應用。
$ sudo docker run -t -i ubuntu:14.10 /bin/bash
$ sudo docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE ubuntu 14.10 277eb4304907 3 days ago 215.6 MB ubuntu latest 5506de2b643b 3 days ago 197.8 MB
保存鏡像
$sudo docker save -o ubuntu_14.10.tar ubuntu:14.10
載入鏡像
$ sudo docker load --input ubuntu_14.10.tar 或 $ sudo docker load < ubuntu_14.10.tar