Update Dockerfile

Dockerfile

@@ -36,5 +36,5 @@ RUN bash scripts/download_models.sh
 # Install Python dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
-CMD ["bash", "-c", "redis-server & celery -A app_celery.celery worker --loglevel=info --concurrency=4 --pool=prefork & gunicorn -b 0.0.0.0:7860 --timeout 300 app_celery:app"]
+CMD ["bash", "-c", "redis-server & celery -A app_celery.celery worker --loglevel=info --concurrency=4 --pool=processes & gunicorn -b 0.0.0.0:7860 --timeout 300 app_celery:app"]