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Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@fosiki.com> (github: SvenDowideit)
30 lines
1.3 KiB
ReStructuredText
30 lines
1.3 KiB
ReStructuredText
:title: Repository
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:description: Definition of an Repository
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:keywords: containers, lxc, concepts, explanation, image, repository, container
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.. _repository_def:
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Repository
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==========
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A repository is a set of images either on your local Docker server, or
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shared, by pushing it to a :ref:`Registry<registry_def>` server.
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Images can be associated with a repository (or multiple) by giving them an image name
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using one of three different commands:
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1. At build time (e.g. ``sudo docker build -t IMAGENAME``),
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2. When committing a container (e.g. ``sudo docker commit CONTAINERID IMAGENAME``) or
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3. When tagging an image id with an image name (e.g. ``sudo docker tag IMAGEID IMAGENAME``).
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A `Fully Qualified Image Name` (FQIN) can be made up of 3 parts:
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``[registry_hostname[:port]/][user_name/](repository_name[:version_tag])``
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``version_tag`` defaults to ``latest``, ``username`` and ``registry_hostname`` default to an empty string.
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When ``registry_hostname`` is an empty string, then ``docker push`` will push to ``index.docker.io:80``.
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If you create a new repository which you want to share, you will need to set at least the
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``user_name``, as the 'default' blank ``user_name`` prefix is reserved for official Docker images.
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For more information see :ref:`Working with Repositories<working_with_the_repository>`
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