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Update documentation for EXPOSE

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The documentation for EXPOSE seems to indicate, that EXPOSE is only relevant in
the context of links, which is not the case.

Signed-off-by: Jacob Atzen <jatzen@gmail.com>
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Jacob Atzen 2014-11-25 12:07:02 +01:00 • committed by Jacob Atzen
parent 27127437a6
commit 8432224f0e
1 changed files with 7 additions and 4 deletions
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11
docs/sources/reference/builder.md
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@ -329,10 +329,13 @@ default specified in `CMD`.
The `EXPOSE` instructions informs Docker that the container will listen on the
specified network ports at runtime. Docker uses this information to interconnect
containers using links (see the [Docker User
Guide](/userguide/dockerlinks)). Note that `EXPOSE` only works for
inter-container links. It doesn't make ports accessible from the host. To
expose ports to the host, at runtime,
[use the `-p` flag](/userguide/dockerlinks).
Guide](/userguide/dockerlinks)) and to determine which ports to expose to the
host when [using the -P flag](/reference/run/#expose-incoming-ports).
**Note:**
`EXPOSE` doesn't define which ports can be exposed to the host or make ports
accessible from the host by default. To expose ports to the host, at runtime,
[use the `-p` flag](/userguide/dockerlinks) or
[the -P flag](/reference/run/#expose-incoming-ports).
## ENV