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Fix docs so WORKDIR mentions it works for COPY and ADD too

The docs around COPY/ADD already mentioned that it will do a relative
copy/add based on WORKDIR, so that part is already ok. Just needed to
tweak the WORKDIR section since w/o mentioning COPY/ADD it can be misleading.

Noticed by @phemmer

Signed-off-by: Doug Davis <dug@us.ibm.com>

Doug Davis authored on 2015/01/26 22:29:49
Showing 2 changed files
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@@ -195,7 +195,7 @@ or
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 **WORKDIR**
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  -- **WORKDIR /path/to/workdir**
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- The WORKDIR instruction sets the working directory for the **RUN**, **CMD**, and **ENTRYPOINT** Dockerfile commands that follow it.
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+ The WORKDIR instruction sets the working directory for the **RUN**, **CMD**, **ENTRYPOINT**, **COPY** and **ADD** Dockerfile commands that follow it.
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  It can be used multiple times in a single Dockerfile. Relative paths are defined relative to the path of the previous **WORKDIR** instruction. For example:
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  **WORKDIR /a WORKDIR b WORKDIR c RUN pwd** 
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  In the above example, the output of the **pwd** command is **a/b/c**.
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@@ -801,8 +801,8 @@ and for any `RUN`, `CMD` and `ENTRYPOINT` instructions that follow it in the
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     WORKDIR /path/to/workdir
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-The `WORKDIR` instruction sets the working directory for any `RUN`, `CMD` and
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-`ENTRYPOINT` instructions that follow it in the `Dockerfile`.
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+The `WORKDIR` instruction sets the working directory for any `RUN`, `CMD`,
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+`ENTRYPOINT`, `COPY` and `ADD` instructions that follow it in the `Dockerfile`.
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 It can be used multiple times in the one `Dockerfile`. If a relative path
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 is provided, it will be relative to the path of the previous `WORKDIR`