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Practical guides on the tools developers use every day — JSON, regex, JWT, cron, and more.
8 posts matching
A practical guide to using AI coding agents for production maintenance: setup, guardrails, and a reproducible experiment with real commands.
Reverse proxy, static file serving, gzip, redirects, rate limiting — the config blocks that show up in almost every project.
Three resource types cover most of what you need to expose an app on Kubernetes. Here's how they fit together.
Services, networks, volumes, healthchecks — the parts of a compose file that make local dev reliable instead of fragile.
Layer caching, multi-stage builds, non-root users, .dockerignore — the practical checklist for a Dockerfile that builds fast and stays small.
Two different failure modes, two different root causes. Here's how to read a port check result correctly.
A record vs CNAME vs MX, propagation delay, and the order to check things in when a domain isn't resolving the way you expect.
Learn the five-field cron format, common presets, and how to preview the next run times before you schedule a job.