1*585Szelenkov@nginx.comapp = Proc.new do |env| 2*585Szelenkov@nginx.com env['rack.errors'].write('Error in application') 3*585Szelenkov@nginx.com ['200', {'Content-Length' => '0'}, ['']] 4*585Szelenkov@nginx.comend 5*585Szelenkov@nginx.com 6*585Szelenkov@nginx.comrun app 7