Nginx configuration files for Rubygems caching proxy. This config used for EK RubyGems Proxy service.
If you use bundler, add this line on top of your Gemfile:
source 'https://gems.kaos.st'
Also, you can use this proxy for downloading gems with gem
command. For example:
gem install bundler --source https://gems.kaos.st
Current status of EK RubyGems Proxy you can find on our status page.