Semantic Versioning: The Part Everyone Gets Wrong
You think v1.1.0 is backward compatible. Your users think breaking changes are v2.0.0. Both of you are wrong about something.
Tag: devops
All the articles with the tag "devops".
Let's Encrypt Without Certbot
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
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
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
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
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
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
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
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
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.
make for Project Automation (It's Not Just for C Code)
Forget bash scripts scattered across your repo. make is a simple task runner that's been around for 50 years and works everywhere.
Vault vs Infisical: Secrets Management for Teams Who've Learned the Hard Way
HashiCorp Vault vs Infisical compared: secrets management for DevOps teams, Docker Compose setup, SDK examples, and when complexity is worth it.