Refactoring and adding dockerfile.

2022/01/tornado_demo1/Dockerfile

@@ -0,0 +1,6 @@
+FROM python:3.8-slim-buster
+COPY ./src /app
+COPY ./requirements.txt /app/requirements.txt
+WORKDIR /app
+RUN python3 -m pip install -r /app/requirements.txt
+CMD [ "python3", "/app/server.py" ]

2022/01/tornado_demo1/src/server.py

@@ -18,9 +18,11 @@ class WebsocketHandler(tornado.websocket.WebSocketHandler):
         print("Closed...")
 
 if __name__ == "__main__":
+    print("Start of the server...")
     application = tornado.web.Application([
         (r"/", MainHandler),
         (r"/socket", WebsocketHandler),
     ])
+    print("Starting to listen on port 8888")
     application.listen(8888)
     tornado.ioloop.IOLoop.current().start()