"RACK.ERRORS"=>#<IO:<STDERR→, "RACK.MULTITHREAD"=>FALSE, "RACK.MULTIPROCESS"=>FALSE, "RACK.RUN_ONCE"=>FALSE, "REQUEST_METHOD"=>"GET", "REQUEST_PATH"=>"/", "PATH_INFO"=>"/", "REQUEST_URI"=>"/", "HTTP_VERSION"=>"HTTP/1.1", "HTTP_HOST"=>"LOCALHOST:3000", "HTTP_CONNECTION"=>"KEEP-ALIVE", "HTTP_CACHE_CONTROL"=>"MAX-AGE=0", "HTTP_UPGRADE_INSECURE_REQUESTS"=>"1", "HTTP_USER_AGENT"=>"MOZILLA/5.0 (MACINTOSH; INTEL MAC OS X 10_11_3) APPLEWEBKIT/537.36 (KH™L, LIKE GECKO) CHROME/51.0.2704.103 SAFARI/537.36", "HTTP_ACCEPT"=>"TEXT/H™L,APPLICATION/XH™L+XML,APPLICATION/XML;Q=0.9,IMAGE/WEBP,*/*;Q=0.8", "HTTP_ACCEPT_ENCODING"=>"GZIP, DEFLATE, SDCH", "HTTP_ACCEPT_LANGUAGE"=>"EN-US,EN;Q=0.8", "HTTP_COOKIE"=> "", "GATEWAY_INTERFACE"=>"CGI/1.2", "SERVER_PORT"=>"3000", "QUERY_STRING"=>"", "SERVER_PROTOCOL"=>"HTTP/1.1", "RACK.URL_SCHEME"=>"HTTP", "SCRIPT_NAME"=>"", "REMOTE_ADDR"=>"127.0.0.1" }