

I had a few ideas, I’m suspicious that handbrake is falling back to CPU, maybe check the logs of the container to make sure it isn’t falling back to CPU decoding. Otherwise here are a few things I would check next:
- If you are not using docker locally so you are already doing this, you will need to configure the docker container to pass through the GPU for quicksync to work inside the container.
- If you are already doing that then I would make sure the device is the same name on the synology, it probably is but just to be sure.
- you will likely need to add your user to the video and/or render group on the synology if you haven’t, especially if you are running the container as your user instead of root
- make sure you are reading and writing to volumes that use bind mounts and not docker volumes, overlayfs is not what I would call fast and writing especially.



Okay I saw your previous post but I’m curious now. What happens if you curl your IP address on port 80? Does it send back a 30X redirect for SSL to your newly configured subdomain as the new default location for r do you get back your IP but using SSL?