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75 lines
2.0 KiB
ReStructuredText
75 lines
2.0 KiB
ReStructuredText
.. include:: /_includes/all.rst
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.. _docker_compose_override_yml:
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***************************
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docker-compose.override.yml
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***************************
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The ``docker-compose.override.yml`` is the configuration file where you can override existing settings from ``docker-compose.yml`` or even add completely new services.
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By default, this file does not exist and you must create it. You can either copy the existing ``docker-compose.override.yml-example`` or create a new one.
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**Table of Contents**
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.. contents:: :local:
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.. seealso:: |ext_lnk_docker_compose_extends|
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Create docker-compose.override.yml
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==================================
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Copy example file
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-----------------
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.. code-block:: bash
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host> cd path/to/devilbox
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host> cp docker-compose.override.yml-example docker-compose.override.yml
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Create new file from scratch
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----------------------------
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1. Create an empty file within the Devilbox git directory named ``docker-compose.override.yml``
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2. Retrieve the currently used version from the existing ``docker-compose.yml`` file
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3. Copy this version line to your newly created ``docker-compose.override.yml`` at the very top
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.. code-block:: bash
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# Create an empty file
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host> cd path/to/devilbox
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host> touch docker-compose.override.yml
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# Retrieve the current version
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host> grep ^version docker-compose.yml
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version: '2.1'
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# Add this version line to docker-compose.override.yml
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host> echo "version: '2.1'" > docker-compose.override.yml
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Let's see again how this file should look like now:
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.. code-block:: yaml
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:caption: docker-compose.override.yml
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version: '2.1'
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.. note::
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The documentation might be outdated and the version number might already be higher.
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Rely on the output of the ``grep`` command.
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Further reading
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===============
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To dive deeper into this topic and see how to actually add new services or overwrite existing
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services follow the below listed links:
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.. seealso::
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* :ref:`add_your_own_docker_image`
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* :ref:`overwrite_existing_docker_image`
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