Latest DevOps posts
Zero-downtime deploys for Node.js: blue-green, canaries, and cluster mode
Zero-downtime deploys are a solved problem — as long as the app handles SIGTERM correctly, health checks are honest, and somebody thought about in-flight requests. Here are the three patterns that cover most Node.js production workloads.
Observability for SaaS: metrics, logs, traces, and the tools that matter
Observability is where SaaS teams quietly overspend. Here's a working guide to the three pillars, the tools worth using in 2026, and the cost-control decisions — sampling, cardinality, retention — that separate a $200/month bill from a $20,000 one.
Deploying Node.js at scale: PM2 vs Kubernetes vs Fly.io vs Vercel
Most teams pick the wrong deployment target for their stage. Here's a stage-by-stage breakdown of PM2 on a single VPS, Fly.io, Vercel, and Kubernetes — with real cost numbers, ops tradeoffs, and the failure modes nobody warns you about.
Self-hosting vs managed services in 2026: a cost breakdown
Self-hosting Postgres and Redis on a cheap VPS looks like a great deal until the first 3am page. Here's the actual math at three scales — and the point where the managed premium starts paying for itself.