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