This project contains the source code that accompanies the blog series at https://octopus.com/blog/selenium/0-toc/webdriver-toc.
The Docker image include Chromium, and can be run like this:
docker run \
-v $(pwd)/test.feature:/tmp/test.feature \
-v /tmp/screenshot:/tmp/screenshot \
mcasperson/webdriver:<tag> \
/tmp/test.feature