Use TurboVnc

app/app.sh

@@ -2,8 +2,7 @@
 
 export DISPLAY=:${DISPLAY_NUM}
 echo Display at ${DISPLAY} with ${SCREEN_W}x${SCREEN_H}x24
-exec Xvfb ${DISPLAY} -screen 0 ${SCREEN_W}x${SCREEN_H}x24 -shmem -pixdepths 1 4 8 15 16 24 32 -fakescreenfps 60 +xinerama -fbdir /tmp >/var/log/xvfb.log &
+exec /opt/TurboVNC/bin/Xvnc ${DISPLAY} -geometry ${SCREEN_W}x${SCREEN_H} -depth 24 +xinerama -securitytypes none >/var/log/xvfb.log &
 exec icewm-session -o /var/log/icewm.log &
 exec socat TCP-LISTEN:60${DISPLAY_NUM},fork,bind=0.0.0.0 UNIX-CONNECT:/tmp/.X11-unix/X${DISPLAY_NUM} &
-exec x11vnc -nowf -display ${DISPLAY} -forever -noxdamage -shared >/var/log/x11vnc.log 2>&1
-
+bash --login