@ctrlaltdog@chitter.xyz oh yeah, ruby on rails also requires a server that can run custom code, so that's probably a no-go if you are trying to host on github
but if that's fine, it's actually what mastodon was written in: https://rubyonrails.org/
and here's jekyll's homepage, made with jekyll: https://jekyllrb.com/
github has builtin support for this: https://help.github.com/en/github/working-with-github-pages/setting-up-a-github-pages-site-with-jekyll