The UBI source-to-image base containers are free to use and have a fairly trivial automation path for regenerating the application container.
This might be worth switching over.
[1] https://catalog.redhat.com/software/containers/rhel9/python-39/61a6101fbfd4a5234d59629d
[2] https://github.com/sclorg/django-ex/tree/3.2.x