Update Dockerfile

Dockerfile

@@ -44,7 +44,7 @@ RUN pip install --upgrade pip && pip install -r requirements.txt
 RUN mkdir -p /app/nltk_data /app/.config/matplotlib \
  && mkdir -p /app/cache /app/data /app/OUTPUTS /app/blocks \
  && mkdir -p /app/OUTPUTS/DETECTED_IMAGE /app/OUTPUTS/SCANNED_IMAGE /app/OUTPUTS/EXTRACTED_JSON \
- && chmod -R 777 /app/cache /app/blocks /app/data /app/OUTPUTS
+ && chmod -R 777 /app/cache /app/blocks /app/data /app/OUTPUTS \
  && chmod -R 777 /app
 
 ENV FLASK_APP=app.py \