# File lib/rack/server.rb, line 119
    def self.middleware
      @middleware ||= begin
        m = Hash.new {|h,k| h[k] = []}
        m["deployment"].concat  [lambda {|server| server.server =~ /CGI/ ? nil : [Rack::CommonLogger, $stderr] }]
        m["development"].concat m["deployment"] + [[Rack::ShowExceptions], [Rack::Lint]]
        m
      end
    end