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39 lines
1.3 KiB
Markdown
39 lines
1.3 KiB
Markdown
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page_title: Repository
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page_description: Definition of an Repository
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page_keywords: containers, lxc, concepts, explanation, image, repository, container
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# Repository
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## Introduction
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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 [*Registry*](../registry/#registry-def)
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server.
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Images can be associated with a repository (or multiple) by giving them
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an image name 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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),
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2. When committing a container (e.g.
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`sudo docker commit CONTAINERID IMAGENAME`) or
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3. When tagging an image id with an image name (e.g.
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`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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`username` and `registry_hostname`
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default to an empty string. When `registry_hostname`
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is an empty string, then `docker push`
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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
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set at least the `user_name`, as the ‘default’ blank
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`user_name` prefix is reserved for official Docker
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images.
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For more information see [*Working with
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Repositories*](../../use/workingwithrepository/#working-with-the-repository)
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