Pushing a Container to Oracle Cloud Infrastructure Registry (OCIR) and Pulling it from OKE

OCIR is a Docker v2 compliant private registry provided by Oracle in their OCI (Oracle Cloud Infrastructure) offering. Let's have a look at it. First log in to the repository this way: docker login <region-code>.ocir.io, where <region-code> is documented here. Then, you'll need a user/password. For the user, provide an existing user in the OCI tenancy. [...]