You can push and pull an image by specifying its name in the push or pull operation. The repository (or repository and namespace) plus a tag defines an image's name. A single artifact within a repository can be assigned one or many tags, and may also be "untagged." That is, you can delete all tags from an image, while the image's data (its layers) remain in the registry. The tag for an image or other artifact specifies its version. Understanding how these components relate to each other can help you manage your registry effectively. ArtifactĪ container image or other artifact within a registry is associated with one or more tags, has one or more layers, and is identified by a manifest. Repository names can only include lowercase alphanumeric characters, periods, dashes, underscores, and forward slashes.įor complete repository naming rules, see the Open Container Initiative Distribution Specification. product-returns/web-submission:20180604.
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