add proxy env var to dockerfile

Dockerfile

@@ -9,6 +9,12 @@ WORKDIR /usr/app/src
 COPY requirements.txt ./
 RUN pip install -r requirements.txt
 
+#add Your bot token here -
 ENV BOT_TOKEN=ENTER_YOUR_BOT_TOKEN__
+
+#optional - 
+ENV HTTP_PROXY=None
+ENV HTTPS_PROXY=None
+
 COPY . /usr/app/src
 CMD python3 bot.py