Iurii Writes

halloween.js adds Halloween decorations to any website — one class flips them on, a real-calendar season window turns them off automatically, and a

Run next/image on a self-hosted VPS without OOM: why the optimizer is memory-hungry, how to bound device sizes, formats, and cache, or offload it.

The real mvp development cost isn't the quote — it's the rebuild the cheapest quote sets up.

Structured logging in Next.js with pino: JSON to stdout, a per-request x-request-id, a wrapper that logs method/path/status/latency, and no secrets in logs.

Build a type-safe content layer with Velite: Zod schemas for MDX and JSON, computed fields, one typed import, and a related-posts codegen step.

How to judge a software quote when you can't read code. What a cheap quote hides, why 'two weeks' means six, and the questions that expose a padded or naive

WebSocket reconnection for production: heartbeat dead-connection detection, exponential backoff with jitter, resubscription, and message replay.

Batch PDF generation in Node.js without OOM: concurrency limits, back-pressure, releasing renderers between docs, and why Promise.all(map) fails at scale.

Where does AI for business automation actually save money, and where is it just hype?