docker通过运行容器制作共享tar镜像包
[*] 镜像构建：
docker commit 【option】
-a 指明作者
-p 暂停容器再建立镜像
# docker commit -p -a "vicliaoxz " centos2
sha256:ead743182b50ba021d5eee144aad229cbcf093f6796363b11e366f6117a62fab
# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
ead743182b50 About a minute ago 302 MB
# docker run -it --name c-net-tools ead743182b50
# ifconfig
eth0: flags=4163mtu 1500
inet 172.17.0.4netmask 255.255.0.0broadcast 0.0.0.0
inet6 fe80::42:acff:fe11:4prefixlen 64scopeid 0x20
[*] 给镜像添加标签
docker tag SOURCE_IMAGE[:TAG] TARGET_IMAGE[:TAG]
# docker tag ead743182b50（ID） vicdockerhub（用户名）/centos（基础镜像）:net-tools（标签）
# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
vicdockerhub/centos net-tools ead743182b50 21 minutes ago 302 MB
[*] 推送镜像
3.1.推送到docker-hub（需要注册一个dockerhub账号）
# docker login -u vicdockerhub
Password:
Login Succeeded
# docker push vicdockerhub/centos:net-tools
The push refers to a repository
3.2.上传到私有仓库：
docker tag vicdockerhub/centos:net-tools myregistry.liaoxz.xin:5000/vicdockerhub/centos:net-tools
[*] 将镜像保存为tar包
docker ecport 导出为一个容器
Usage:docker save IMAGE
Options:
-o, --output string Write to a file, instead of STDOUT
# docker save vicdockerhub/centos:net-tools -o centos-net-tools.tar
# ls
centos-net-tools.tar
[*]外部tar包导入镜像
docker load
docker load -i 指定镜像tar包
# docker load -i centos-net-tools.tar
Loaded image: vicdockerhub/centos:net-tools
# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
myregistry.liaoxz.xin:5000/vicdockerhub/centos net-tools ead743182b50 51 minutes ago 302 MB
vicdockerhub/centos net-tools ead743182b50 51 minutes ago 302 MB
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