[1] https://podman.io
So the source of the image can be decided on pull. Some more on this https://www.redhat.com/en/blog/manage-container-registries
It looks like it's ordered by priority.
unqualified-search-registries = ['registry.fedoraproject.org', 'registry.access.redhat.com', 'registry.centos.org', 'docker.io']
[1] https://podman.io