This is hosted on GitHub pages.
Using jekyll's docker image.
docker run --rm \
--volume=$(pwd):/srv/jekyll \
--net=host \
-p 35729:35729 -p 4000:4000 \
--env JEKYLL_ENV=development \
-it jekyll/builder \
jekyll serve --drafts --future --livereload
Then visit localhost:4000.