Docker 使用方法总结之：镜像
[*]查找
命令：docker search TERM
相关参数：
Search the Docker Hub for images
--automated=false Only show automated builds
--no-trunc=false Don't truncate output
-s, --stars=0 Only displays with at least x stars
例子：
# docker search mysql
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
mysql MySQL is a widely used, open-source relati... 655
tutum/mysql MySQL Server image - listens in port 3306.... 115
orchardup/mysql 37
centurylink/mysql Image containing mysql. Optimized to be li... 21
...................
[*]获取
命令：docker pull NAME[:TAG]
参数：-a, --all-tags=false Download all tagged images in the repository
例子：
# docker pull tutum/mysql
Pulling repository tutum/mysql
26c0c52dc79a: Pulling dependent layers
511136ea3c5a: Download complete
27d47432a69b: Download complete
5f92234dcf1e: Download complete
51a9c7c1f8bb: Download complete
5ba9dab47459: Download complete
d26d9affc74e: Download complete
c8420faa4614: Download complete
.........
[*]运行image
命令：docker run -t -i tutum/mysql /bin/bash
[*]查看列表
命令：docker images
参数
-a, --all=false Show all images (by default filter out the intermediate image layers)
-f, --filter=[] Provide filter values (i.e. 'dangling=true')
--no-trunc=false Don't truncate output
-q, --quiet=false Only show numeric IDs
例子
# docker images -a
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
<none> <none> 6941bfcbbfca 10 days ago 0 B
eric/ubuntu latest 52671e55fb86 6 weeks ago 270.3 MB
<none> <none> c8420faa4614 3 months ago 192.7 MB
<none> <none> d26d9affc74e 3 months ago 192.7 MB
<none> <none> 5ba9dab47459 3 months ago 192.7 MB
[*]更改TAG
更改之前：
# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
centos 7 fd44297e2ddb 10 days ago 229.6 MB
centos centos7 fd44297e2ddb 10 days ago 229.6 MB
centos latest fd44297e2ddb 10 days ago 229.6 MB
eric/ubuntu latest 52671e55fb86 6 weeks ago 270.3 MB
tutum/mysql latest 26c0c52dc79a 3 months ago 322.5 MB
centos_6_5 ansible f01c1b138488 10 months ago 322.4 MB
chug/ubuntu12.10x64 latest 0b96c14dafcd 13 months ago 270.3 MB
执行命令:
docker tag tutum/mysql:latest localrepo:newtag
更改之后:
# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
centos 7 fd44297e2ddb 10 days ago 229.6 MB
centos centos7 fd44297e2ddb 10 days ago 229.6 MB
centos latest fd44297e2ddb 10 days ago 229.6 MB
eric/ubuntu latest 52671e55fb86 6 weeks ago 270.3 MB
tutum/mysql latest 26c0c52dc79a 3 months ago 322.5 MB
localrepo newtag 26c0c52dc79a 3 months ago 322.5 MB
centos_6_5 ansible f01c1b138488 10 months ago 322.4 MB
chug/ubuntu12.10x64 latest 0b96c14dafcd 13 months ago 270.3 MB
[*]查看明细
命令：docker inspect CONTAINER|IMAGE
参数：-f, --format="" Format the output using the given go template.
例子：
# docker inspect f01c1b138488
[*]删除
命令：docker rmi IMAGE
参数：
-f, --force=false Force removal of the image
--no-prune=false Do not delete untagged parents
例子：
# docker rmi 26c
Error response from daemon: Conflict, cannot delete 26c0c52dc79a because the container 002ca178e599 is using it, use -f to force
上面出错的原因是因为该镜像正在被002ca178e599的容器使用，所以不能删除，所以首先需要使用docker rm删除容器，然后再删除，相关的AUFS文件也会被删除
# docker rm 002
002
# docker rmi 26c
Untagged: localrepo:newtag
Deleted: 26c0c52dc79af8acf07a18cd1693bfae91926f496ee4d1c1dbe29a014394b7c0
Deleted: ba600267bf1a82675eeee78a2e18c49306c46888ca3cf33f372be4b80334d4f0
Deleted: 6d79a1795e744a9c2c4409526f90c9711d96d0e944a7f485fc31acf7e44fb210
Deleted: cb6a06a808d4329b1bba405b9e3e733b1c379fb55979e8631e918f6c14c6023a
Deleted: 8d466d27bccad3502d579a2e0e6fc28fa8a46e32b5b453e7387a61eef7c1be8a
......
[*]创建
由于
[*]基于Container创建
[*]启动一个容器
# docker run -ti f01 /bin/bash
[*]在启动的容器中安装ansible,git等工具
[*]查询Container ID
# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
52ec71824717 centos_6_5:ansible "/bin/bash" 31 seconds ago Up 30 seconds high_mcclintock
[*]执行创建命令，返回值就是生成的Image ID
# docker commit -m 'Ansible Image,and git, sample yml files' -a 'Eric.sunah' 52ec71824717 eric/ansible
6e3832e7c6e1aba47aefe1430c346a1dbf9a0454c37a907d293eaf7056d11d91
[*]查看新的列表
# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
eric/ansible latest 6e3832e7c6e1 2 minutes ago 629.7 MB
eric/ubuntu latest 52671e55fb86 6 weeks ago 270.3 MB
centos_6_5 ansible f01c1b138488 10 months ago 322.4 MB
chug/ubuntu12.10x64 latest 0b96c14dafcd 13 months ago 270.3 MB
[*]另存为
命令：docker save IMAGE
参数：-o, --output="" Write to a file, instead of STDOUT
例子：
docker save -o centos6_ansible.tar eric/ansible
[*]导入
命令：docker load
参数： -i, --input="" Read from a tar archive file, instead of STDIN
例子：
docker load --input centos6_ansible.tar
[*]上传
首先取个便于识别的TAG
# docker tag 6e38 sun7545526/template:ansible
# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
sun7545526/template ansible 6e3832e7c6e1 17 minutes ago 629.7 MB
eric/ansible latest 6e3832e7c6e1 17 minutes ago 629.7 MB
执行上传命令，第一次上传的时候会要求输入用户名，密码，邮箱信息：
# docker push sun7545526/template:ansible
The push refers to a repository (len: 1)
Sending image list
Pushing repository sun7545526/template (1 tags)
511136ea3c5a: Image already pushed, skipping
1d6ebc5c68b1: Image already pushed, skipping
f01c1b138488: Image already pushed, skipping
6e3832e7c6e1: Image successfully pushed
Pushing tag for rev on {https://cdn-registry-1.docker.io/v1/repositories/sun7545526/template/tags/ansible}
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