use the docs sidebar to be the TOC means that level 2 headings are the most important

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@fosiki.com> (github: SvenDowideit)
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Sven Dowideit 2014-04-08 14:25:57 +10:00 committed by Tibor Vass
parent df48712193
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1 changed files with 29 additions and 33 deletions

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@ -13,12 +13,10 @@ Dockerfile Reference
to create an image. Executing ``docker build`` will run your steps and to create an image. Executing ``docker build`` will run your steps and
commit them along the way, giving you a final image. commit them along the way, giving you a final image.
.. contents:: Table of Contents
.. _dockerfile_usage: .. _dockerfile_usage:
1. Usage Usage
======== =====
To :ref:`build <cli_build>` an image from a source repository, create To :ref:`build <cli_build>` an image from a source repository, create
a description file called ``Dockerfile`` at the root of your a description file called ``Dockerfile`` at the root of your
@ -71,8 +69,8 @@ When you're done with your build, you're ready to look into
.. _dockerfile_format: .. _dockerfile_format:
2. Format Format
========= ======
Here is the format of the Dockerfile: Here is the format of the Dockerfile:
@ -99,16 +97,14 @@ allows statements like:
.. _dockerfile_instructions: .. _dockerfile_instructions:
3. Instructions
===============
Here is the set of instructions you can use in a ``Dockerfile`` for Here is the set of instructions you can use in a ``Dockerfile`` for
building images. building images.
.. _dockerfile_from: .. _dockerfile_from:
3.1 FROM ``FROM``
-------- ========
``FROM <image>`` ``FROM <image>``
@ -134,8 +130,8 @@ assumed. If the used tag does not exist, an error will be returned.
.. _dockerfile_maintainer: .. _dockerfile_maintainer:
3.2 MAINTAINER ``MAINTAINER``
-------------- ==============
``MAINTAINER <name>`` ``MAINTAINER <name>``
@ -144,8 +140,8 @@ the generated images.
.. _dockerfile_run: .. _dockerfile_run:
3.3 RUN ``RUN``
------- =======
RUN has 2 forms: RUN has 2 forms:
@ -174,8 +170,8 @@ Known Issues (RUN)
.. _dockerfile_cmd: .. _dockerfile_cmd:
3.4 CMD ``CMD``
------- =======
CMD has three forms: CMD has three forms:
@ -229,8 +225,8 @@ override the default specified in CMD.
.. _dockerfile_expose: .. _dockerfile_expose:
3.5 EXPOSE ``EXPOSE``
---------- ==========
``EXPOSE <port> [<port>...]`` ``EXPOSE <port> [<port>...]``
@ -241,8 +237,8 @@ functionally equivalent to running ``docker commit --run '{"PortSpecs":
.. _dockerfile_env: .. _dockerfile_env:
3.6 ENV ``ENV``
------- =======
``ENV <key> <value>`` ``ENV <key> <value>``
@ -262,8 +258,8 @@ from the resulting image. You can view the values using ``docker inspect``, and
.. _dockerfile_add: .. _dockerfile_add:
3.7 ADD ``ADD``
------- =======
``ADD <src> <dest>`` ``ADD <src> <dest>``
@ -329,8 +325,8 @@ The copy obeys the following rules:
.. _dockerfile_entrypoint: .. _dockerfile_entrypoint:
3.8 ENTRYPOINT ``ENTRYPOINT``
-------------- ==============
ENTRYPOINT has two forms: ENTRYPOINT has two forms:
@ -378,8 +374,8 @@ this optional but default, you could use a CMD:
.. _dockerfile_volume: .. _dockerfile_volume:
3.9 VOLUME ``VOLUME``
---------- ==========
``VOLUME ["/data"]`` ``VOLUME ["/data"]``
@ -389,8 +385,8 @@ and mounting instructions via docker client, refer to :ref:`volume_def` document
.. _dockerfile_user: .. _dockerfile_user:
3.10 USER ``USER``
--------- ========
``USER daemon`` ``USER daemon``
@ -399,8 +395,8 @@ the image.
.. _dockerfile_workdir: .. _dockerfile_workdir:
3.11 WORKDIR ``WORKDIR``
------------ ===========
``WORKDIR /path/to/workdir`` ``WORKDIR /path/to/workdir``
@ -418,8 +414,8 @@ instruction. For example:
The output of the final ``pwd`` command in this Dockerfile would be ``/a/b/c``. The output of the final ``pwd`` command in this Dockerfile would be ``/a/b/c``.
3.11 ONBUILD ``ONBUILD``
------------ ===========
``ONBUILD [INSTRUCTION]`` ``ONBUILD [INSTRUCTION]``
@ -480,7 +476,7 @@ For example you might add something like this:
.. _dockerfile_examples: .. _dockerfile_examples:
4. Dockerfile Examples Dockerfile Examples
====================== ======================
.. code-block:: bash .. code-block:: bash