chore(build): Add OCI label for container image source #2541
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As specified in the OpenContainers Annotations Spec: https://specs.opencontainers.org/image-spec/annotations/
Problem description
Automated tooling which checks container registries for new tags might not be able to find release notes (this is often via source code/parsing a CHANGELOG file) since this is not included in the container registry. Adding this annotation will allow tooling to follow the link to the source code, and look for release notes there. The tooling can then include these release notes in e.g. PRs with container image version bumps.
Dependabot and Renovatebot both use this annotation for this purpose:
Linked issues
N/A
Checklist
Please, ensure your contribution matches the following items:
acid.zalan.do
api package.If this change is accepted I can follow up and add it to some other repositories related to the postgres-operator as well, where I've experienced this to be missing :-)