Tag: devops

All the articles with the tag "devops".

• Caddyfile Patterns That Actually Work

  22 Mar, 2026

  A practical cookbook of real-world Caddyfile patterns — reverse proxy, auth, redirects, SPA serving, rate limiting, and more.

• Prometheus Scrape Intervals: The Hidden Tradeoff

  20 Mar, 2026

  Shorter intervals = more data. But also more storage, CPU load, and potential instability. Here's the tradeoff you're actually making.

• Semantic Versioning: The Part Everyone Gets Wrong

  14 Mar, 2026

  You think v1.1.0 is backward compatible. Your users think breaking changes are v2.0.0. Both of you are wrong about something.

• Let's Encrypt Without Certbot

  11 Mar, 2026

  Certbot isn't the only ACME client. Explore Caddy, acme.sh, lego, and Step CA — with practical examples for wildcard certs and DNS-01 challenges.

• Grafana Dashboard Variables: One Dashboard for All

  11 Mar, 2026

  Stop maintaining 50 identical dashboards. Grafana variables let you build one dashboard that adapts to any data source, environment, or metric.

• HAProxy: Load Balancing Done Right

  6 Mar, 2026

  HAProxy is the battle-tested load balancer powering GitHub, Reddit, and Instagram. Here's how to actually use it without reading 500 config options.

• Stop Living Dangerously on :latest Docker

  6 Mar, 2026

  Using :latest in production is a ticking time bomb. Pin your Docker image versions or watch a surprise update break everything at 2 AM.

• Cloudflare WAF: Free Tier Firewall Rules

  4 Mar, 2026

  Cloudflare's free tier WAF is more powerful than most people use. Here's how to actually configure it — rules, rate limits, and all.

• Distroless: How to Build Slim, Secure Containers

  4 Mar, 2026

  Distroless images contain only your app and its runtime — no shell, no package manager, no attack surface. Here's how to build them.

• .gitignore Entries Every Project Actually Needs

  1 Mar, 2026

  Stop leaking secrets, dependencies, and OS garbage into git. Here are the .gitignore patterns that save you from disaster.

• Multi-Stage Docker Builds: Stop Shipping Your node_modules to Production

  26 Feb, 2026

  Learn multi-stage Docker builds to slash image sizes by 90%. Practical before/after examples for Node.js, Python, and Go with real size comparisons.

• Cloudflare DNS: Beyond Pointing Records

  26 Feb, 2026

  Stop using your registrar's janky DNS panel. Here's how Cloudflare DNS actually works — proxying, DNSSEC, dynamic DNS, and email records that don't break.