Image and Tag Management

Images are the logical management unit of tags. Users can efficiently manage image versions using tags.

Generate Image

To generate an image, the repository must be created first. For detailed information about creating a repository, refer to Repository Management.

• Images are created by pushing images or OCI standard artifacts using the CLI with the registry endpoint.
• To push an image via CLI, refer to the official documentation provided by the client tool you are using or Using CLI.

Check image detailed information

Image can view and edit the full resource list and detailed information. The Image detail page consists of Details, Tags, Delete Policy Test tabs.

To view the image details, follow the steps below.

1. All Services > Container > Container Registry menu, click. Go to the Service Home page of Container Registry.
2. Click the Image menu on the Service Home page. Navigate to the Image list page.
3. Image list at the top of the page, click the Settings icon to select the Registry name and Repository name where the Image for viewing detailed information is stored.
   • If there is no desired item, click Create New to register the Registry and Repository, then you can select it.
4. Click the resource (Image) to view detailed information on the Image List page. You will be taken to the Image Details page.
   • Image Details page displays the Image’s status information and detailed information, and consists of Detailed Information, Tags, Delete Policy Test tabs.

     Category	Detailed description
     Image Status	Represents the status of the image Active: Available state Deleting: Deleting state Inactive: State where deletion failed and not usable (only deletion request possible) Editing: State of modifying settings or deleting image sub-resources (tags)
     User Guide	CLI-based Image Usage Guide
     Image Delete	Button that deletes the image

     Table. Image status information and additional functions

Detailed Information

On the Image list page, you can view the detailed information of the selected resource and, if necessary, edit the information.

Delete Image

To delete the Image, follow the steps below.

1. All Services > Container > Container Registry Click the menu. Navigate to the Service Home page of Container Registry.
2. Click the Image menu on the Service Home page. It moves to the Image List page.
3. Image list Click the Settings icon at the top of the page and select the Registry name and Repository name where the Image to be deleted is stored.
4. Click the resource (Image) to delete on the Image List page. You will be taken to the Image Details page.
5. Click the Delete Image button on the Image Details page.
6. Image Delete when the popup appears, click the Confirm button.
7. After deletion is complete, check on the Image List page whether the resource has been deleted.

Check detailed image tag information

To view detailed image tag information, follow these steps.

1. All Services > Container > Container Registry Click the menu. Go to Container Registry’s Service Home page.
2. Click the Image menu on the Service Home page. Navigate to the Image list page.
3. Image List Click the Settings icon at the top of the page and select the Registry name and Repository name where the Image to view detailed information is stored.
4. Image List page, click the resource (Image) to view detailed information. Navigate to the Image Details page.
   • Image Details Click the Tags tab on the right side of the detailed information tab at the top of the page. Go to the Tags List page.

     Column	Detailed description
     Tags	Tag name of image Digest A single image Digest can have multiple tag names
     Digest	Image Digest value
     Size	Image Digest size
     Edit Timestamp	Image Digest(Tags) Edit Timestamp
     Inspection Date and Time	Image Digest (Tags) Vulnerability Inspection Date and Time
     Vulnerability Check Result	Image Digest (Tags) Vulnerability Check Result Summary of vulnerability count information and a view result button are displayed View Result button can be clicked to view detailed vulnerability analysis results for the image tags
     Status	Status for image Digest (Tags) Active: Normal usable state Deleting: Deleting state Inactive: Deletion failed and not usable (only delete request possible)
     Copy URL	Copy endpoint URL for using image Digest You can copy the private/public endpoint URL to use in commands for using image Digest
     More button	Menu to select delete, edit, vulnerability check, and detailed usage guide for image Digest (Tags) Delete: Delete the specified image Digest (Tags) Edit Tags: Tag name of the image Digest can be edited in the Tags edit window Vulnerability Check: Vulnerability check available for image Digest (Tags) Detailed Usage Guide: Can view a guide for using image Digest (Tags) based on CLI Tags Lock: Can set a lock so that selected image Tags cannot be deleted or updated Tags Unlock: Can remove the lock to allow selected image Tags to be deleted or updated

     Table. Tags list items

Detailed Information

Click the Tags of the image Digest whose details you want to view in the list of Tags in Image details. The detailed information window for the image Digest (Tags) will appear.

• If you check the information in the tag detail window and click Confirm, the window will close.

Delete image tags

To delete an image tag, follow these steps.

1. All Services > Container > Container Registry Click the menu. Navigate to the Service Home page of Container Registry.
2. Click the Image menu on the Service Home page. Go to the Image list page.
3. Click the Settings icon at the top of the Image List page and select the Registry name and Repository name where the Image to view detailed information is stored.
4. Click the resource (Image) to view detailed information on the Image List page. You will be taken to the Image Details page.

• Click the Tags tab on the right side of the detailed information tab at the top of the Image Details page. You will be taken to the Tags List page.

5. In the Tags list, select the checkbox located to the left of the tag you want to delete, then click Delete.
   • If you select checkboxes for multiple items, you can delete multiple tags at once, and you can select and delete up to 50 tags at a time.
   • You can delete tags one by one by clicking the Delete button inside the more options button located at the right end of the tag to be deleted.
6. Delete Tags When the popup window opens, click Confirm.
7. Once deletion is complete, check on the Tags list page whether the resource has been deleted.

Testing image tag deletion policy

To test the image tag deletion policy you set, follow the steps below.

1. All Services > Container > Container Registry menu, click. Navigate to the Service Home page of Container Registry.
2. Click the Image menu on the Service Home page. Navigate to the Image list page.
3. Image List Click the Settings icon at the top of the page and select the Registry name and Repository name where the Image to view detailed information is stored.
4. Click the resource (Image) to view detailed information on the Image List page. You will be taken to the Image Detail page.
   • Image Details Click the Delete Policy Test tab on the right of the Detailed Information tab at the top of the page. You will be taken to the Delete Policy Test tab page.
5. Delete Policy Test on the tab page, click the Policy Test button of the Delete Target Tags item. The delete policy test will be executed.
6. When the delete policy test execution notification popup opens, click the Confirm button.
   • When the test execution request is completed, the phrase Deletion policy test execution request has been completed is displayed.
7. Check the test results when the deletion policy test is completed.
   • Deleted Target Tags item shows the image tags (digests) that are subject to the deletion policy.