Observability Stack: Prometheus, Node Exporter & Grafana

<blockquote> <p><strong>TL;DR:</strong> The failure mode nobody warns you about with Raspberry Pi clusters: the service dies, you SSH in twenty minutes later, and

<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>When building a data-intensive platform, real operational visibility becomes necessary quickly. A core API might be fast, but if event consumers lag or the database strains,

<h1> Grafana Dashboards for Non-Prod Environment Observability: Cost + Performance in One View </h1> <p>Non-production environments are the most expensive things nobody talks

<p>The Vision<br /> As part of my Technical Lab Roadmap, I am moving away from manual configurations. In the world of modern DevOps, if you have to do it twice, you should

<h2> You Don't Need Datadog (Yet) </h2> <p>I see startups spending $5,000/month on Datadog with 8 engineers. That's $625 per engineer per month for monitoring. At that stage, you

<p>You deployed your app. It runs. The containers are green. Job done, right?</p> <p>Except here's what's probably happening right now on your production server and you don't know

<p>One of our users reached out recently with a familiar problem: search had suddenly become noticeably slower, even though nothing looked obviously broken.</p> <p>The service was