The blog http://arielrodriguezromero.com, hosted on Github Pages and uses Jeckyll to generate the HTML files.
Run the following commands:
bundle install
jekyll s
More info on how to set up Jekyll with Github Pages.
Alternatively, it's also possible to run it in a docker container with:
docker run -p 4000:4000 -v $(pwd):/site bretfisher/jekyll-serve