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Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@docker.com> (github: SvenDowideit)
144 lines
5.1 KiB
Markdown
144 lines
5.1 KiB
Markdown
page_title: Repositories and Images on Docker Hub
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page_description: Repositories and Images on Docker Hub
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page_keywords: Docker, docker, registry, accounts, plans, Dockerfile, Docker Hub, docs, documentation
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# Repositories and Images on Docker Hub
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## Searching for repositories and images
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You can `search` for all the publicly available repositories and images using
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Docker.
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$ sudo docker search ubuntu
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This will show you a list of the currently available repositories on the
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Docker Hub which match the provided keyword.
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If a repository is private it won't be listed on the repository search
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results. To see repository statuses, you can look at your [profile
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page](https://hub.docker.com) on [Docker Hub](https://hub.docker.com).
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## Repositories
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Your Docker Hub repositories have a number of useful features.
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### Stars
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Your repositories can be starred and you can star repositories in
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return. Stars are a way to show that you like a repository. They are
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also an easy way of bookmarking your favorites.
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### Comments
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You can interact with other members of the Docker community and maintainers by
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leaving comments on repositories. If you find any comments that are not
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appropriate, you can flag them for review.
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### Collaborators and their role
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A collaborator is someone you want to give access to a private
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repository. Once designated, they can `push` and `pull` to your
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repositories. They will not be allowed to perform any administrative
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tasks such as deleting the repository or changing its status from
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private to public.
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> **Note:**
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> A collaborator cannot add other collaborators. Only the owner of
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> the repository has administrative access.
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You can also collaborate on Docker Hub with organizations and groups.
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You can read more about that [here](accounts/).
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## Official Repositories
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The Docker Hub contains a number of [official
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repositories](http://registry.hub.docker.com/official). These are
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certified repositories from vendors and contributors to Docker. They
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contain Docker images from vendors like Canonical, Oracle, and Red Hat
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that you can use to build applications and services.
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If you use Official Repositories you know you're using a supported,
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optimized and up-to-date image to power your applications.
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> **Note:**
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> If you would like to contribute an official repository for your
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> organization, product or team you can see more information
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> [here](https://github.com/docker/stackbrew).
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## Private Repositories
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Private repositories allow you to have repositories that contain images
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that you want to keep private, either to your own account or within an
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organization or group.
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To work with a private repository on [Docker
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Hub](https://hub.docker.com), you will need to add one via the [Add
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Repository](https://registry.hub.docker.com/account/repositories/add/)
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link. You get one private repository for free with your Docker Hub
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account. If you need more accounts you can upgrade your [Docker
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Hub](https://registry.hub.docker.com/plans/) plan.
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Once the private repository is created, you can `push` and `pull` images
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to and from it using Docker.
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> *Note:* You need to be signed in and have access to work with a
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> private repository.
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Private repositories are just like public ones. However, it isn't
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possible to browse them or search their content on the public registry.
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They do not get cached the same way as a public repository either.
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It is possible to give access to a private repository to those whom you
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designate (i.e., collaborators) from its Settings page. From there, you
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can also switch repository status (*public* to *private*, or
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vice-versa). You will need to have an available private repository slot
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open before you can do such a switch. If you don't have any available,
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you can always upgrade your [Docker
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Hub](https://registry.hub.docker.com/plans/) plan.
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## Webhooks
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You can configure webhooks for your repositories on the Repository
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Settings page. A webhook is called only after a successful `push` is
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made. The webhook calls are HTTP POST requests with a JSON payload
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similar to the example shown below.
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> **Note:** For testing, you can try an HTTP request tool like
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> [requestb.in](http://requestb.in/).
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*Example webhook JSON payload:*
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{
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"push_data":{
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"pushed_at":1385141110,
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"images":[
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"imagehash1",
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"imagehash2",
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"imagehash3"
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],
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"pusher":"username"
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},
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"repository":{
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"status":"Active",
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"description":"my docker repo that does cool things",
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"is_automated":false,
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"full_description":"This is my full description",
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"repo_url":"https://registry.hub.docker.com/u/username/reponame/",
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"owner":"username",
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"is_official":false,
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"is_private":false,
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"name":"reponame",
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"namespace":"username",
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"star_count":1,
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"comment_count":1,
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"date_created":1370174400,
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"dockerfile":"my full dockerfile is listed here",
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"repo_name":"username/reponame"
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}
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}
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Webhooks allow you to notify people, services and other applications of
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new updates to your images and repositories.
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