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Oras

  • The Open Container Initiative (OCI) defines the specifications and standards for container technologies. This includes the API for working with container registries.
  • ORAS provides a way to push and pull OCI Artifacts to and from OCI Registries.
  • It allows you to push (upload) and pull (download) things to and from an OCI Registry,

To pull the artifact

$ oras pull localhost:5000/hello-artifact:v1

List all tags (versions) for a specific chart in OCI registry 

$ oras repo tags registry-1.docker.io/bitnamicharts/metallb 
4.1.11
4.1.12
4.1.13
...
...