Barebones static asset server using just Ruby/Rack.
All files in public/ will be served.
$ bundle install
Fetching gem metadata from http://rubygems.org/..............
Fetching version metadata from http://rubygems.org/.
Resolving dependencies...
Installing rack 2.0.1
Using bundler 1.13.6
Bundle complete! 1 Gemfile dependency, 2 gems now installed.
Use `bundle show [gemname]` to see where a bundled gem is installed.
$ bundle exec rackup
[2016-12-05 08:56:44] INFO WEBrick 1.3.1
[2016-12-05 08:56:44] INFO ruby 2.3.1 (2016-04-26) [x86_64-darwin14]
[2016-12-05 08:56:44] INFO WEBrick::HTTPServer#start: pid=57421 port=9292