Docker image tools to download the yt videos to the mp3. Uses:
Alpine Linux
ffbinaries
yt-dlp

Currently image is build for amd64 and arm64 (tested on the Raspberry 4) architectures.

Image supports all of the yt-dlp options.

Example:
Download YT-VIDEO-LINK to the working directory:

docker container run --volume $(pwd):/download pienczyk/yt-2-mp3:latest \
--extract-audio --audio-format mp3 \
--audio-quality 0 \
"YT-VIDEO-LINK"