config.ru in stackprofiler-0.0.2 vs config.ru in stackprofiler-0.0.3

@@ -1,5 +1,7 @@
 require 'stackprofiler'
+require 'stackprofiler/middleware'
 
-run Rack::URLMap.new '/__stackprofiler' => Stackprofiler::WebUI.new(file: '/Users/aidan/dev/better-data/yy.json')
-# run Rack::URLMap.new '/__stackprofiler' => Stackprofiler::WebUI.new
+use Stackprofiler::Middleware, ui_url: 'http://localhost:9260/receive', predicate: /json/
+# run Stackprofiler::WebUI.new file: 'portal.json'
+run Stackprofiler::WebUI.new file: 'threads.json'