diff --git a/Dockerfile b/Dockerfile
index 467873f5..d5596ab2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,8 +4,10 @@ RUN apt-get update
 RUN DEBIAN_FRONTEND=noninteractive apt-get install -y -q python-all python-pip 
 ADD ./webapp/requirements.txt /tmp/requirements.txt
 RUN pip install -qr /tmp/requirements.txt
+RUN pip install gunicorn
 ADD ./webapp /opt/webapp/
 WORKDIR /opt/webapp
 EXPOSE 5000
 CMD ["python", "app.py"]
+#CMD ["gunicorn", "run:app"]  to run it in the production env , uncomment this line and comment the above line(line 11).