Bitnami no longer offers containers that packager dashboard is using: https://pagure.io/fedora-qa/packager_dashboard/blob/master/f/Dockerfile
Here's some summary: https://medium.com/@talkimhi/bitnamis-august-28th-bombshell-the-end-of-free-container-images-as-we-know-them-74fe5cdfb882
A quick fix seems to be to use bitnamilegacy/<image> path instead (not tested).
bitnamilegacy/<image>
Proper solution is to use official images. Adam provided links and more info here: https://pagure.io/fedora-qa/issue/825
This issue has been migrated to Fedora Forge: https://forge.fedoraproject.org/apps/packager_dashboard/issues/186
Please continue any further discussion there.
Metadata Update from @kparal: - Issue status updated to: Closed (was: Open)