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Add documemt for read only

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wangyan 2018-04-15 21:13:36 -07:00
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docs/user_guide.md
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@ -15,6 +15,7 @@ This guide walks you through the fundamentals of using Harbor. You'll learn how
* [Manage project creation.](#managing-project-creation)
* [Manage self-registration.](#managing-self-registration)
* [Manage email settings.](#managing-email-settings)
* [Manage registry read only.](#managing-registry-read-only)
* [Pull and push images using Docker client.](#pulling-and-pushing-images-using-docker-client)
* [Add description to repositories](#add-description-to-repositories)
* [Delete repositories and images.](#deleting-repositories)
@ -225,6 +226,20 @@ You can manage whether a user can sign up for a new account. This option is not
You can change Harbor's email settings, the mail server is used to send out responses to users who request to reset their password.
![browse project](img/new_config_email.png)
### Managing registry read only
You can change Harbor's registry read only settings, read only mode will allow 'docker pull' while preventing 'docker push' and the deletion of repository and tag.
![browse project](img/read_only.png)
If it set to true, deleting repository, tag and pushing image will be disabled.
![browse project](img/read_only_enable.png)
```
$ docker push 10.117.169.182/demo/ubuntu:14.04
The push refers to a repository [10.117.169.182/demo/ubuntu]
0271b8eebde3: Preparing
denied: The system is in read only mode. Any modification is prohibited.
```
## Pulling and pushing images using Docker client
**NOTE: Harbor only supports Registry V2 API. You need to use Docker client 1.6.0 or higher.**