Tag: devops

Build one Grafana dashboard that adapts to any host or environment using variables, query, custom, constant, and multi-select types with real examples.

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

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

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

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

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.

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.

Forget bash scripts scattered across your repo. make is a simple task runner that's been around for 50 years and works everywhere.

HashiCorp Vault vs Infisical compared: secrets management for DevOps teams, Docker Compose setup, SDK examples, and when the added complexity is worth it.

Stop committing broken code. Git hooks catch mistakes before they hit CI, save hours of debugging, and make your team love you.

Master Traefik's label-based routing in Docker: entrypoints, routers, middlewares, TLS, and the mental model that makes it all click.