App Health Endpoint Design: 3 Probes That Keep Logging and Metrics Useful

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<blockquote> <p>A crash loop isn't always a bug; sometimes it's the orchestrator restarting a service before it's actually capable of serving traffic.</p> </blockquote> <h2> What

<p>Short answer: for Node.js uptime and health monitoring, use an API status endpoint for reachability, record business events for each checkout, publish metrics for

<p>Short answer: a threshold tells you that deliveries failed; a delivery ledger tells you which notifications were affected. Poll recent metrics and errors for detection, but

<p>Your API returns 200 OK. Great. But is it actually <em>working</em>?</p> <p>I learned this the hard way. Last month, our payment webhook was "up" — returning 200s all day — but

<h1> Prometheus Metrics for Your Node.js Circuit Breakers (opossum-prom) </h1> <p>You've added opossum circuit breakers to protect your Node.js app from cascading failures. Good.

<p>If you just want the recommendation: for a small startup building a basic hosted app health dashboard, choose a simple metrics-and-logs API when custom counters and gauges are

<p>A nightly media pipeline creates an awkward rollback constraint: React frontend feature flags must poll a backend API often enough to hide a newly released search view, but the