docker-ubuntu-vnc-desktop/rootfs/usr/local/bin/chromium-browser-sound.sh

#!/bin/sh

if [ -z "$ALSADEV" ]; then
    zenity --error --text "To support audio, please read README.md and run container with --device /dev/snd -e ALSADEV=..."
    exit 1
fi

exec /usr/bin/google-chrome --no-sandbox --alsa-output-device="$ALSADEV" "$@"