# File lib/rack/server.rb, line 212
    def self.middleware
      @middleware ||= begin
        m = Hash.new {|h,k| h[k] = []}
        m["deployment"].concat [
          [Rack::ContentLength],
          [Rack::Chunked],
          logging_middleware
        ]
        m["development"].concat m["deployment"] + [[Rack::ShowExceptions], [Rack::Lint]]
        m
      end
    end