Debian Slim based Docker image with XFCE, noVNC Firefox and Chromium installed
sudo docker build -t debian-slim-xfce-novnc-image .
sudo docker run -d -p 6080:6080 debian-slim-xfce-novnc-image
sudo docker run --cap-add=SYS_ADMIN --device=/dev/tty0 --privileged -p 6080:6080 -p 5901:5901 debian-slim-xfce-novnc-image