ASR doesn't work with URLs

Hello! I love the idea of running the document extraction in Docker but so far I've not been successful with the ASR side of things. I'm running the docker container as suggested with docker run -p 5001:5001 -e DOCLING_SERVE_ENABLE_UI=1 quay.io/docling-project/docling-serve and audio links don't work out of the box.

First I get errors about openai-whisper and ffmpeg missing but even if I install those into the image manually, when I provide a URL it fails because it seems to expect the file to be available on the disk rather than from a URL.

Do you have a suggestion on how to solve this or is this an upstream issue and the provided ASR pipeline needs to support that? Is there a plan to provide images with the ASR libraries installed and the same behaviour as PDFs and HTML sources?

Start by reproducing the documented Docker command with an audio URL and the ASR path enabled. Check how the ASR pipeline handles URL inputs and the missing openai-whisper and ffmpeg dependencies; done means audio URLs work through the container without manual image changes, with behavior consistent with PDF and HTML sources.