Tag: devops

Cloudflare Workers run your JS at the edge, no servers, no cold starts, 100k free req/day. Here's what they're actually good for.

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

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

Semantic versioning promises v1.1.0 is safe and v2.0.0 breaks things. What MAJOR.MINOR.PATCH guarantees, where maintainers cheat, and how to pin deps.

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.

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.