Update Dockerfile

Dockerfile

@@ -35,7 +35,7 @@ RUN pip install --upgrade pip && pip install -r requirements.txt
 
 # Create app directories with permissions
 RUN mkdir -p /app/nltk_data /app/.config/matplotlib \
- && mkdir -p /app/cache /app/data /app/logs /app/static \
+ && mkdir -p /app/cache /app/data /app/logs /app/static /app/tmp \
  && chmod -R 777 /app/cache /app/data /app/logs /app/static /app/medicationCategories /app/reports \
  && chmod -R 777 /app