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18 lines
477 B
Go
18 lines
477 B
Go
# LABEL 指令
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`LABEL` 指令用来给镜像以键值对的形式添加一些元数据（metadata）。
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```docker
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LABEL <key>=<value> <key>=<value> <key>=<value> ...
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```
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我们还可以用一些标签来申明镜像的作者、文档地址等：
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```docker
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LABEL org.opencontainers.image.authors="yeasy"
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LABEL org.opencontainers.image.documentation="https://yeasy.gitbooks.io"
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```
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具体可以参考 https://github.com/opencontainers/image-spec/blob/master/annotations.md
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