Node.js Uptime Health Monitoring: API Status, Cron Heartbeats, Checkout Reconstr

<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

<h2> 🎬 The 3 AM Phone Call You're Not Prepared For </h2> <p><strong>PagerDuty, 3:14 AM:</strong><br /> </p> <div class="highlight js-code-highlight"> <pre class="highlight

<p>While building <strong>iTicket.AZ</strong> — a real-time event ticketing platform — I came across a job posting from a major bank that listed <em>"building scalable, resilient,

<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

<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>An inference server stopped generating tokens while more than 200 GiB of host memory remained available. Its health endpoint kept returning HTTP 200. The first visible

<p>Short answer: record one structured completion event at the request boundary, emit separate events for every asynchronous notification attempt, and join them with a stable