Commit b24d2b46 authored by Achilleas Pipinellis's avatar Achilleas Pipinellis Committed by Yorick Peterse

Merge branch 'container-registry-user-docs' into 'master'

Initial version of user documentation of container registry

cc @axil


See merge request !4244
parent afe67493
...@@ -13,6 +13,7 @@ ...@@ -13,6 +13,7 @@
- [Profile Settings](profile/README.md) - [Profile Settings](profile/README.md)
- [Project Services](project_services/project_services.md) Integrate a project with external services, such as CI and chat. - [Project Services](project_services/project_services.md) Integrate a project with external services, such as CI and chat.
- [Public access](public_access/public_access.md) Learn how you can allow public and internal access to projects. - [Public access](public_access/public_access.md) Learn how you can allow public and internal access to projects.
- [Container Registry](container_registry/README.md) Learn how to use GitLab Container Registry.
- [SSH](ssh/README.md) Setup your ssh keys and deploy keys for secure access to your projects. - [SSH](ssh/README.md) Setup your ssh keys and deploy keys for secure access to your projects.
- [Webhooks](web_hooks/web_hooks.md) Let GitLab notify you when new code has been pushed to your project. - [Webhooks](web_hooks/web_hooks.md) Let GitLab notify you when new code has been pushed to your project.
- [Workflow](workflow/README.md) Using GitLab functionality and importing projects from GitHub and SVN. - [Workflow](workflow/README.md) Using GitLab functionality and importing projects from GitHub and SVN.
......
# GitLab Container Registry
> **Note:**
This feature was [introduced][ce-4040] in GitLab 8.8.
> **Note:**
This document is about the user guide. To learn how to enable GitLab Container
Registry across your GitLab instance, visit the
[administrator documentation](../administration/container_registry.md).
With the Docker Container Registry integrated into GitLab, every project can
have its own space to store its Docker images.
You can read more about Docker Registry at https://docs.docker.com/registry/introduction/.
---
## Enable the Container Registry for your project
1. First, ask your system administrator to enable GitLab Container Registry
following the [administration documentation](../administration/container_registry.md).
If you are using GitLab.com, this is enabled by default so you can start using
the Registry immediately.
1. Go to your project's settings and enable the **Container Registry** feature
on your project. For new projects this might be enabled by default. For
existing projects you will have to explicitly enable it.
![Enable Container Registry](img/project_feature.png)
## Build and push images
After you save your project's settings, you should see a new link in the
sidebar called **Container Registry**. Following this link will get you to
your project's Registry panel where you can see how to login to the Container
Registry using your GitLab credentials.
For example if the Registry's URL is `registry.example.com`, the you should be
able to login with:
```
docker login registry.example.com
```
Building and publishing images should be a straightforward process. Just make
sure that you are using the Registry URL with the namespace and project name
that is hosted on GitLab:
```
docker build -t registry.example.com/group/project .
docker push registry.example.com/group/project
```
## Use images from GitLab Container Registry
To download and run a container from images hosted in GitLab Container Registry,
use `docker run`:
```
docker run [options] registry.example.com/group/project [arguments]
```
For more information on running Docker containers, visit the
[Docker documentation][docker-docs].
## Control Container Registry from within GitLab
GitLab offers a simple Container Registry management panel. Go to your project
and click **Container Registry** in the left sidebar.
This view will show you all tags in your project and will easily allow you to
delete them.
![Container Registry panel](img/container_registry.png)
## Build and push images using GitLab CI
> **Note:**
This feature requires GitLab 8.8 and GitLab Runner 1.2.
Make sure that your GitLab Runner is configured to allow building docker images.
You have to check the [Using Docker Build documentation](../../ci/docker/using_docker_build.md).
You can use [docker:dind](https://hub.docker.com/_/docker/) to build your images,
and this is how `.gitlab-ci.yml` should look like:
```
build_image:
image: docker:git
services:
- docker:dind
stage: build
script:
- docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN registry.example.com
- docker build -t registry.example.com/group/project:latest .
- docker push registry.example.com/group/project:latest
```
You have to use the credentials of the special `gitlab-ci-token` user with its
password stored in `$CI_BUILD_TOKEN` in order to push to the Registry connected
to your project. This allows you to automated building and deployment of your
Docker images.
## Limitations
In order to use a container image from your private project as an `image:` in
your `.gitlab-ci.yml`, you have to follow the
[Using a private Docker Registry][private-docker]
documentation. This workflow will be simplified in the future.
[ce-4040]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/4040
[docker-docs]: https://docs.docker.com/engine/userguide/intro/
[private-docker]: https://gitlab.com/gitlab-org/gitlab-ci-multi-runner/blob/master/docs/configuration/advanced-configuration.md#using-a-private-docker-registry
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