This is a short tutorial on how to run Selenium .NET Application in Docker with xvfb and Firefox (GeckoDriver). Some tricky parts with how to run xvfb-run command in docker and how to install firefox in Debian buster-slim docker image
Xvfb: Run Selenium In Headless Mode With Any Browser
Xvfb is a simple program to redirect output to a virtual framebuffer. You can run any application in a headless mode, including Selenium, Chrome, and Firefox. This will help you run your Selenium test scenarios event on Raspberry Pi.