hell yeah! i moved my whole setup from docker to podman with systemd with quadlets. auto updates and everything. so smooth.

do the logs show any errors with the exec?

What about putting it in a simple shell script with a volume mount?
Or maybe something like this would work? Exec=sh -c "apk update && apk add --no-cache mesa-va-gallium mesa-dri-gallium"

Sorry, I’m pretty new to quadlets myself, but I’ve gotten stuff working thanks to the podman documentation.