add worker-image for notebook (#6667)
add worker-image for notebook (#6667)


cseed/hail,cseed/hail,hail-is/hail,hail-is/hail,danking/hail,cseed/hail,cseed/hail,danking/hail,hail-is/hail,cseed/hail,danking/hail,danking/hail,hail-is/hail,danking/hail,cseed/hail,cseed/hail,danking/hail,hail-is/hail,hail-is/hail,hail-is/hail,cseed/hail,danking/hail,hail-is/hail,danking/hail