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docs/reference/builder.md: mention that USER directive also allows to specify the user group. 

Signed-off-by: Slava Semushin <semushin@redhat.com>
This commit is contained in:
Slava Semushin 2017-06-07 18:50:16 +02:00
parent d209929aab
commit a84463d8d5
1 changed files with 11 additions and 4 deletions
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docs/reference/builder.md
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@ -1306,11 +1306,18 @@ Keep the following things in mind about volumes in the `Dockerfile`.
## USER
USER daemon
USER <user>[:<group>]
or
USER <UID>[:<GID>]
The `USER` instruction sets the user name (or UID) and optionally the user
group (or GID) to use when running the image and for any `RUN`, `CMD` and
`ENTRYPOINT` instructions that follow it in the `Dockerfile`.
> **Warning**:
> When the user does doesn't have a primary group then the image (or the next
> instructions) will be run with the `root` group.
The `USER` instruction sets the user name or UID to use when running the image
and for any `RUN`, `CMD` and `ENTRYPOINT` instructions that follow it in the
`Dockerfile`.
## WORKDIR