其它制作镜像的方式
从 rootfs 压缩包导入
$ docker import \
http://download.openvz.org/template/precreated/ubuntu-16.04-x86_64.tar.gz \
openvz/ubuntu:16.04
Downloading from http://download.openvz.org/template/precreated/ubuntu-16.04-x86_64.tar.gz
sha256:412b8fc3e3f786dca0197834a698932b9c51b69bd8cf49e100c35d38c9879213$ docker image ls openvz/ubuntu
REPOSITORY TAG IMAGE ID CREATED SIZE
openvz/ubuntu 16.04 412b8fc3e3f7 55 seconds ago 505MB$ docker history openvz/ubuntu:16.04
IMAGE CREATED CREATED BY SIZE COMMENT
f477a6e18e98 About a minute ago 214.9 MB Imported from http://download.openvz.org/template/precreated/ubuntu-16.04-x86_64.tar.gzDocker 镜像的导入和导出 docker save 和 docker load
docker save 和 docker load保存镜像
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