Delivery Exception Detection — Node.js Metrics API Queries Feeding Lambda Webhooks
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 requirements. That answer is deliberately narrower than “install an observability platform.” A logistics…
A Node.js notification service should begin by monitoring delivery failures through a metric from a separate scheduled function. The observer should query the metric, evaluate a versioned rule, and send a deduplicated webhook upon a state change. Use this minimal solution while the alert surface remains small, detection latency is acceptable, and the team possesses a dependable metrics query endpoint and webhook destination.
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