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diff --git a/doc/user/packages/dependency_proxy/index.md b/doc/user/packages/dependency_proxy/index.md index e3ee8909165..3fa21ef486b 100644 --- a/doc/user/packages/dependency_proxy/index.md +++ b/doc/user/packages/dependency_proxy/index.md @@ -8,80 +8,80 @@ info: To determine the technical writer assigned to the Stage/Group associated w > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/7934) in [GitLab Premium](https://about.gitlab.com/pricing/) 11.11. -NOTE: **Note:** -This is the user guide. In order to use the dependency proxy, an administrator -must first [configure it](../../../administration/packages/dependency_proxy.md). +The GitLab Dependency Proxy is a local proxy you can use for your frequently-accessed +upstream images. -For many organizations, it is desirable to have a local proxy for frequently used -upstream images/packages. In the case of CI/CD, the proxy is responsible for -receiving a request and returning the upstream image from a registry, acting -as a pull-through cache. +In the case of CI/CD, the Dependency Proxy receives a request and returns the +upstream image from a registry, acting as a pull-through cache. -The dependency proxy is available in the group level. To access it, navigate to -a group's **Packages & Registries > Dependency Proxy**. +## Prerequisites - +To use the Dependency Proxy: -## Supported dependency proxies +- Your group must be public. Authentication for private groups is [not supported yet](https://gitlab.com/gitlab-org/gitlab/-/issues/11582). -NOTE: **Note:** -For a list of the upcoming additions to the proxies, visit the -[direction page](https://about.gitlab.com/direction/package/dependency_proxy/#top-vision-items). +### Supported images and packages -The following dependency proxies are supported. +The following images and packages are supported. -| Dependency proxy | GitLab version | +| Image/Package | GitLab version | | ---------------- | -------------- | | Docker | 11.11+ | -## Using the Docker dependency proxy +For a list of planned additions, view the +[direction page](https://about.gitlab.com/direction/package/dependency_proxy/#top-vision-items). + +## View the Dependency Proxy + +To view the Dependency Proxy: + +- Go to your group's **Packages & Registries > Dependency Proxy**. + +The Dependency Proxy is not available for projects. + +## Use the Dependency Proxy for Docker images + +You can use GitLab as a source for your Docker images. -With the Docker dependency proxy, you can use GitLab as a source for a Docker image. -To get a Docker image into the dependency proxy: +Prerequisites: -1. Find the proxy URL on your group's page under **Packages & Registries > Dependency Proxy**, - for example `gitlab.com/groupname/dependency_proxy/containers`. -1. Trigger GitLab to pull the Docker image you want (e.g., `alpine:latest` or - `linuxserver/nextcloud:latest`) and store it in the proxy storage by using - one of the following ways: +- Your images must be stored on [Docker Hub](https://hub.docker.com/). +- Docker Hub must be available. Follow [this issue](https://gitlab.com/gitlab-org/gitlab/-/issues/241639) + for progress on accessing images when Docker Hub is down. - - Manually pulling the Docker image: +To store a Docker image in Dependency Proxy storage: + +1. Go to your group's **Packages & Registries > Dependency Proxy**. +1. Copy the **Dependency Proxy URL**. +1. Use one of these commands. In these examples, the image is `alpine:latest`. + + - Add the URL to your [`.gitlab-ci.yml`](../../../ci/yaml/README.md#image) file: ```shell - docker pull gitlab.com/groupname/dependency_proxy/containers/alpine:latest + image: gitlab.example.com/groupname/dependency_proxy/containers/alpine:latest ``` - - From a `Dockerfile`: + - Manually pull the Docker image: ```shell - FROM gitlab.com/groupname/dependency_proxy/containers/alpine:latest + docker pull gitlab.example.com/groupname/dependency_proxy/containers/alpine:latest ``` - - In [`.gitlab-ci.yml`](../../../ci/yaml/README.md#image): + - Add the URL to a `Dockerfile`: ```shell - image: gitlab.com/groupname/dependency_proxy/containers/alpine:latest + FROM gitlab.example.com/groupname/dependency_proxy/containers/alpine:latest ``` GitLab pulls the Docker image from Docker Hub and caches the blobs on the GitLab server. The next time you pull the same image, GitLab gets the latest -information about the image from Docker Hub but serves the existing blobs +information about the image from Docker Hub, but serves the existing blobs from the GitLab server. -The blobs are kept forever, and there is no hard limit on how much data can be -stored. - -## Clearing the cache +## Clear the Dependency Proxy cache -It is possible to use the GitLab API to purge the dependency proxy cache for a -given group to gain back disk space that may be taken up by image blobs that -are no longer needed. See the [dependency proxy API documentation](../../../api/dependency_proxy.md) -for more details. - -## Limitations - -The following limitations apply: +Blobs are kept forever on the GitLab server, and there is no hard limit on how much data can be +stored. -- Only [public groups are supported](https://gitlab.com/gitlab-org/gitlab/-/issues/11582) (authentication is not supported yet). -- Only Docker Hub is supported. -- This feature requires Docker Hub being available. +To reclaim disk space used by image blobs that are no longer needed, use +the [Dependency Proxy API](../../../api/dependency_proxy.md). |