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Merge pull request #22727 from clawconduce/master

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Fix error for env variables example in docker reference
(cherry picked from commit 3723b88406)

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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Sebastiaan van Stijn 2016-05-14 01:00:55 +02:00 committed by Sebastiaan van Stijn
parent d1024638f9
commit 307195b3e1
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docs/reference/builder.md
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@ -361,7 +361,7 @@ RUN /bin/bash -c 'source $HOME/.bashrc ; echo $HOME'
> This means that normal shell processing does not happen. For example,
> `RUN [ "echo", "$HOME" ]` will not do variable substitution on `$HOME`.
> If you want shell processing then either use the *shell* form or execute
> a shell directly, for example: `RUN [ "sh", "-c", "echo", "$HOME" ]`.
> a shell directly, for example: `RUN [ "sh", "-c", "echo $HOME" ]`.
The cache for `RUN` instructions isn't invalidated automatically during
the next build. The cache for an instruction like