@@ -2,11 +2,4 @@ framework:
   website: tornadoweb.org
   version: 6.1
 
-command: >
-  gunicorn  \
-    --log-level warning  \
-    --bind 0.0.0.0:3000  \
-    --reuse-port  \
-    --workers $(nproc)  \
-    --worker-class gunicorn.workers.gtornado.TornadoWorker \
-      server:app
+command: python /usr/src/app/server.py
@@ -1,2 +1 @@
-tornado>=6.1,<6.2
-gunicorn
+tornado>=6.1,<6.2
@@ -24,10 +24,16 @@ def get(self, id):
         self.write(id)
 
 
-app = tornado.web.Application(
-    handlers=[
-        (r"/", MainHandler),
-        (r"/user", UserHandler),
-        (r"/user/(\d+)", UserInfoHandler),
-    ]
-)
+def main():
+    app = tornado.web.Application(
+        handlers=[
+            (r"/", MainHandler),
+            (r"/user", UserHandler),
+            (r"/user/(\d+)", UserInfoHandler),
+        ]
+    )
+    app.listen(3000)
+    tornado.ioloop.IOLoop.current().start()
+
+if __name__ == '__main__':
+    main()
Original file line number	Diff line number	Diff line change
`@@ -1,2 +1 @@`
`1`		`-tornado>=6.1,<6.2`
`2`		`-gunicorn`
	`1`	`+tornado>=6.1,<6.2`