EngineeringUnicorn!We've been running Unicorn for more than a month. Time to talk about it. What is it? Unicorn is an HTTP server for Ruby, similar to Mongrel or Thin. It… We’ve been running Unicorn for more than a month. Time to talk about it. What is it? Unicorn is an HTTP server for Ruby, similar to Mongrel or Thin. It uses Mongrel’s Ragel HTTP parser but has a dramatically different architectu