Resources:
https://github.com/aip-primeca-occitanie/ros-introduction-robmob/blob/main/ros-vnc/Dockerfile
xvfb plus x11vnc https://github.com/gramaziokohler/ros_docker/blob/master/novnc/Dockerfile
Manual install with nvidia opengl base hard coded https://github.com/willkessler/nvidia-docker-novnc/blob/master/autonomous_sys_build/Dockerfile
simplest python:3 base https://github.com/gotget/docker-novnc/blob/master/Dockerfile
alpine based https://github.com/doug-w/docker-novnc/blob/master/Dockerfile
debian based also xvfb and x11vnc fluxbox https://github.com/theasp/docker-novnc/blob/master/Dockerfile
x11 in docker utility with GUI launcher https://github.com/mviereck/x11docker
xvfb + x11vnc https://gitlab.oit.duke.edu/mccahill/docker-novnc-template
https://blog.ouseful.info/2019/02/06/viewing-dockerised-desktops-via-an-x11-bridge-novnc/
https://gitlab.oit.duke.edu/mccahill/docker-novnc-template
https://registry.hub.docker.com/r/zerodivide1/docker-novnc/dockerfile