You can use Github Pages for deploying moonwalk for free.
If you haven't already created your blog using Jekyll, follow the instructions to do so from Jekyll's documentation.
NOTE: if you are using Jekyll with GitHub Pages, see the GitHub Pages installation section.
Then, to style your blog with this theme, add this line to your Jekyll site's Gemfile
:
gem "moonwalk"
And add this line to your Jekyll site's _config.yml
:
theme: moonwalk
And then execute:
$ bundle
Or install it yourself as:
$ gem install moonwalk
If you want to use this theme for your Jekyll's site deployed on GitHub Pages, follow the instructions on this page.