Rack

wikipedia:Rack (web server interface)

Rack is used by many Ruby web frameworks and libraries, such as Ruby on Rails and Sinatra.

See also

• Ruby, Sinatra, Ruby on rails, RubyGems, gem, bundle, Rack, Gemfile, Keg-only, brew install [email protected], bundle, JRuby, CocoaPods, apt install ruby, Fog, Puma