Add the ENV instruciton to the docker builder documentation

This commit is contained in:
Guillaume J. Charmes 2013-05-06 18:54:27 -07:00
parent e45aef0c82
commit 4c7c177e4e
1 changed files with 10 additions and 1 deletions

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@ -66,7 +66,16 @@ It is equivalent to do `docker commit -run '{"Cmd": <command>}'` outside the bui
The `EXPOSE` instruction sets ports to be publicly exposed when running the image.
This is equivalent to do `docker commit -run '{"PortSpecs": ["<port>", "<port2>"]}'` outside the builder.
2.6 INSERT
2.6 ENV
-------
``ENV <key> <value>``
The `ENV` instruction set as environment variable `<key>` with the value `<value>`. This value will be passed to all future ``RUN`` instructions.
.. note::
The environment variables are local to the Dockerfile, they will not be set as autorun.
2.7 INSERT
----------
``INSERT <file url> <path>``