Preload gunicorn workers

backend/Dockerfile

@@ -20,8 +20,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 # now copy all the files in this directory to /app
 COPY . .
 
-# Listen to port 80 at runtime
 EXPOSE 5000
 
 # Define our command to be run when launching the container
-CMD ["gunicorn", "app:app", "-b", "0.0.0.0:5000", "--workers", "8", "--reload", "--capture-output", "--enable-stdio-inheritance", "--log-level", "DEBUG"]
+CMD ["gunicorn", "app:app", "-b", "0.0.0.0:5000", "--workers", "8", "--preload", "--capture-output", "--enable-stdio-inheritance", "--log-level", "DEBUG"]