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Web DevOctober 202610 min read

How Next.js Caching Works: Static, Dynamic and Revalidate

Beginner guide to how Next.js static and dynamic caching works: read build output symbols, generateStaticParams, revalidate, then check headers with curl.

DevOpsOctober 202610 min read

How to Secure a Docker Container: 7 Steps for Beginners

How to secure a Docker container for beginners: non-root user, read-only filesystem, cap-drop, no image secrets, pinned versions and scans, plus checks.

Web DevOctober 202610 min read

How to Improve Core Web Vitals in Next.js for Beginners

How to improve Core Web Vitals in Next.js for beginners: measure LCP, CLS and INP, tune next/image priority and sizes, use next/font, fix common errors.

DevOpsOctober 202610 min read

How to Roll Back a Docker Deploy on a VPS (Beginner Guide)

Beginner guide to rolling back a Docker deploy on a VPS: unique image tags, record the old version, deploy with --wait, restore the tag, verify, and the limits.

Web DevOctober 202610 min read

How to Build Next.js Middleware: Matcher, Redirect, Rewrite

A beginner guide to building Next.js middleware: middleware.ts, matcher, redirect, rewrite, headers and testing with curl, plus the most common errors.

DevOpsOctober 202610 min read

Docker Swarm vs Kubernetes: A Small Team Load Test Verdict

Docker Swarm vs Kubernetes for a small team, decided with my own load test and a home-built autoscaler: what HPA adds, where Swarm stops being enough.

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