Update Dockerfile for prod deployment

Author: karntrehan

Dockerfile

@@ -11,12 +11,12 @@ COPY . /app
 RUN pip install --no-cache-dir -r requirements.txt
 
 # Make port 5000 available to the world outside this container
-EXPOSE 5000
+EXPOSE 7000
 
 # Define environment variable
 ENV FLASK_APP=wsgi.py
 ENV FLASK_RUN_HOST=0.0.0.0
 
 # Run the application
-CMD ["flask", "run"]
+CMD ["flask", "run", "--host=0.0.0.0", "--port=7000"]