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Doc update to clarify EXPOSE vs -p functionality. 

Signed-off-by: Daniel Farrell <dfarrell@redhat.com>
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Daniel Farrell 2014-09-28 19:45:41 -04:00
parent d142b18aab
commit 5730abc167
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docs/sources/reference/builder.md
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@ -268,7 +268,10 @@ default specified in `CMD`.
The `EXPOSE` instructions informs Docker that the container will listen on the The `EXPOSE` instructions informs Docker that the container will listen on the
specified network ports at runtime. Docker uses this information to interconnect specified network ports at runtime. Docker uses this information to interconnect
containers using links (see the [Docker User containers using links (see the [Docker User
Guide](/userguide/dockerlinks)). 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).
## ENV ## ENV