dotcloud/docker — pull request #1763 by DarkStar851 (2013-09-02 17:44:39+00:00)
Title: Update builder.rst

Section on EXPOSE doesn't directly show how to do 1-1 port mapping inside the Dockerfile, referenced by :ref:`port_redirection`, but obscurely.

This has caused headaches for a few beginners now, just noticed one fumbling around in the IRC chan looking for help.