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Add dockerfile to image, support labels, add documentation
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Docker | ||
====== | ||
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The `Docker <https://www.docker.com/>`__ provider creates a docker image | ||
from scratch, creates a Dockerfile for it and imports the image to a repo | ||
specified in the manifest. | ||
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In order to reduce the size of the image, it is highly recommend | ||
to make use of the `minimize_size <../../plugins/minimize_size>`__ plugin. | ||
With optimal settings a 64-bit jessie image can be whittled down to 81.95 MB | ||
(built on Dec 13th 2015 with ``manifests/examples/docker/minimized-jessie.yml``). | ||
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Manifest settings | ||
----------------- | ||
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Provider | ||
~~~~~~~~ | ||
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- ``repository``: Repository to which the image should be imported. | ||
``required`` | ||
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- ``tag``: Name with which the image should be tagged. | ||
``required`` | ||
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- ``dockerfile``: Inline dockerfile that should be appended to | ||
the one created by the bootstrapper. | ||
``optional`` | ||
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- ``labels``: Labels that should be added to the dockerfile. | ||
The image name specified at the top of the manifest | ||
will be added as the label ``name``. | ||
Check out the `docker docs <https://docs.docker.com/engine/userguide/labels-custom-metadata/>`__ | ||
for more information about custom labels. | ||
`Project atomic <http://www.projectatomic.io/>`__ | ||
also has some `useful recommendations <https://github.com/projectatomic/ContainerApplicationGenericLabels>`__ | ||
for generic container labels. | ||
``optional`` | ||
``manifest vars`` | ||
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Example: | ||
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.. code:: yaml | ||
--- | ||
provider: | ||
name: docker | ||
repository: bootstrap-vz | ||
tag: latest | ||
dockerfile: > | ||
CMD /bin/bash | ||
labels: | ||
description: Debian {system.release} {system.architecture} |
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