docs(build): say which instructions the builder interpolates - #25840
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locker95 wants to merge 1 commit into
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docs(build): say which instructions the builder interpolates#25840locker95 wants to merge 1 commit into
locker95 wants to merge 1 commit into
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RUN/CMD/ENTRYPOINT are expanded by the shell, FROM only sees ARG, and ENV vs ARG differ in whether the value persists. Signed-off-by: Dean Chen <862469039@qq.com>
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the variables page didn't say that RUN/CMD/ENTRYPOINT are expanded by the shell, or that FROM only sees ARG. that was tripping people up next to the Dockerfile reference.
see also docker/cli#3323