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Add some documentation about relative WORKDIR values

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Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
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Tianon Gravi 2014-03-17 19:26:39 -06:00
parent c1f492755b
commit 69299f041f
1 changed files with 10 additions and 1 deletions
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11
docs/sources/reference/builder.rst
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@ -407,7 +407,16 @@ the image.
The ``WORKDIR`` instruction sets the working directory for the ``RUN``, ``CMD`` and
``ENTRYPOINT`` Dockerfile commands that follow it.
It can be used multiple times in the one Dockerfile.
It can be used multiple times in the one Dockerfile. If a relative path is
provided, it will be relative to the path of the previous ``WORKDIR``
instruction. For example:
WORKDIR /a
WORKDIR b
WORKDIR c
RUN pwd
The output of the final ``pwd`` command in this Dockerfile would be ``/a/b/c``.
3.11 ONBUILD
------------