webhook to start pooling, removed env variables for app url and port

Author:    miloszowi <miloszweb@gmail.com>

Author:    miloszowi <miloszweb@gmail.com>

.env.local

@@ -4,5 +4,3 @@ firebase_authDomain=
 firebase_databaseURL=
 firebase_projectId=
 firebase_storageBucket=
-app_url=
-PORT=

README.md

@@ -33,8 +33,6 @@ cp .env.local .env
 and then fulfill copied `.env` file with required values
 - `bot_token` - your telegram bot token from [BotFather](https://telegram.me/BotFather)
 - `firebase_*`  - all of those values you can find in firebase console
-- `app_url` - your app url for retrieving webhooks
-- `PORT` - port for your app
 
 ### Commands
 #### `/in`

src/app.py

@@ -1,4 +1,4 @@
-from .config.credentials import bot_token, app_url, port
+from .config.credentials import bot_token
 from .config.handlers import handlers
 from .handlers.handlerInterface import HandlerInterface
 from telegram.ext.dispatcher import Dispatcher
@@ -14,8 +14,7 @@ class App:
 
     def run(self) -> None:
         self.registerHandlers()
-        self.registerWebhook()
-
+        self.updater.start_polling()
         self.updater.idle()
 
     def registerHandlers(self) -> None:
@@ -24,11 +23,3 @@ class App:
                 raise Exception('Invalid list of handlers provided. Handler must implement HandlerInterface')
 
             self.updater.dispatcher.add_handler(handler.getBotHandler())
-
-    def registerWebhook(self) -> None:
-        self.updater.start_webhook(
-            listen="0.0.0.0",
-            port=int(port),
-            url_path=bot_token,
-            webhook_url=f'{app_url}/{bot_token}'
-        )

src/config/credentials.py

@@ -4,8 +4,6 @@ from dotenv import load_dotenv
 load_dotenv()
 
 bot_token = os.environ['bot_token']
-app_url = os.environ['app_url']
-port = os.environ['PORT']
 
 firebaseConfig = {
     "apiKey": os.environ['firebase_apiKey'],