podman/docs/source/markdown/options/annotation.image.md

####> This option file is used in: ####> podman build, farm build ####> If file is edited, make sure the changes ####> are applicable to all of those.

--annotation=annotation=value

Add an image annotation (e.g. annotation=value) to the image metadata. Can be used multiple times.

Note: this information is not present in Docker image formats, so it is discarded when writing images in Docker formats.