Discarr: open-source disc rip → Sonarr/Radarr import pipeline [Node.js, GPL-3.0]
(git.opensourcesolarpunk.com)
Just to clear it up. The video won't be lossless, as the DVD is already in a lossy format (mpeg2), but the conversion from DVD to mkv won't add anything more as it just copies the data without transcoding.