{"Database(alias='default')": "OK", "Ping(app=<Celery DJANGO_BACKEND at 0x753e892a9a90>)": "OK", "Redis(db=0, host='redis', port=6379)": "OK", "CeleryBeatHeartbeat(max_age=datetime.timedelta(seconds=300))": "OK", "PdfConverter()": "OK", "CustomerNumberService()": "OK"}