Update Dockerfile

Author: Manojkr0

docker/Dockerfile

@@ -3,7 +3,6 @@ FROM python:3.7
 RUN mkdir /app
 WORKDIR /app
 ADD . /app/
-RUN pip install -r requirements.txt
 
 EXPOSE 5000
-CMD ["python", "/app/main.py"]
+CMD ["python", "/app/main.py"]