Short answer: for a small Node. js notification service, poll one delivery-failure metric from a separate scheduled function, evaluate a versioned rule, and send a deduplicated webhook; move to a full incident-management system only when rotations, escalations, and acknowledgement state become re...
Source: [Dev.to](https://dev.to/zanesterling7589/delivery-exception-detection-nodejs-metrics-api-queries-feeding-lambda-webhooks-m0l)