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docker_practice/image/dockerfile/label.md
Kang Huaishuai cbaa24c48f
Dockerfile add shell label 
Signed-off-by: Kang Huaishuai <khs1994@khs1994.com>
2020-09-06 20:16:04 +08:00

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LABEL 指令

LABEL 指令用来给镜像以键值对的形式添加一些元数据（metadata）。

LABEL <key>=<value> <key>=<value> <key>=<value> ...

我们还可以用一些标签来申明镜像的作者、文档地址等：

LABEL org.opencontainers.image.authors="yeasy"

LABEL org.opencontainers.image.documentation="https://yeasy.gitbooks.io"

具体可以参考 https://github.com/opencontainers/image-spec/blob/master/annotations.md