dockerfile - adding cache folder

Dockerfile

@@ -8,6 +8,4 @@ RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
 COPY . .
 
-RUN mkdir -p test && chmod 777 test
-
-CMD ["gunicorn", "-w", "5", "main:app"]
+CMD ["gunicorn", "-w", "1", "main:app"]