This container image is intended to be used for displaying X11 applications from containers in a browser.

• Xvfb - X11 in a virtual framebuffer
• x11vnc - A VNC server that scrapes the above X11 server
• noNVC - A HTML5 canvas VNC viewer
• Fluxbox - A small window manager
• Firefox - A web browser, customize using Firefox policies.json
• Chocolate Doom - A DOOM source port
• Thunar - A modern file manager
• Xfce Terminal - A lightweight and easy to use terminal emulator
• Mousepad - A text editor
• supervisord - To keep it all running

You can specify the following variables (default):

• DISPLAY_WIDTH=<width> (1920)
• DISPLAY_HEIGHT=<height> (1080)
• RUN_TERMINAL={True|False} (False)
• RUN_FLUXBOX={True|False} (True)
• RUN_FIREFOX={True|False} (False)
• RUN_DOOM={True|False} (False)

This command builds the Docker image from the Dockerfile in the current directory. The -t novnc option tags the image with the name novnc.

docker build -t novnc .

This command starts a container from the novnc image.

docker run -p 8080:8080 novnc

This command starts a container from the novnc image and automatically starts Firefox.

docker run -p 8080:8080 -e RUN_FIREFOX=True novnc

Open a browser and see the desktop at http://localhost:8080/.

This container is based on the container by @theasp: https://github.com/theasp/docker-novnc