Iurii Uses: #Vercel

HTPBE.TECH – PDF Verification Workflow Animation

Looping SVG animation illustrating a PDF verification pipeline – document stack, cloud processing, and green/red folder sorting.

pi-pi.ee – i18n B2B Presentation PDF Generator

On-demand PDF presentation generator for 31 European markets – one codebase, one URL pattern.

pi-pi.ee – B2B E-commerce for Waterless Urinal Systems

i18n B2B e-commerce platform for waterless urinal products across 32 European countries with automated VAT handling, PDF invoicing, and CRM integration.

pikkuna.fi – i18n RAG AI System

RAG system on OpenAI and Upstash Vector in 30 languages, with a streaming chatbot and hybrid search (semantic + keyword).

pikkuna.fi – Real-time SVG Product Configurator

Client-side SVG configurator with live preview for designing vinyl curtains and roofing panels.

pikkuna.fi – E-commerce for Vinyl Curtains & PVC Products

E-commerce platform with 30 locales, product configurators, AI chatbot, and fully automated order flow: Stripe → Zoho CRM → Airtable → Mailgun → PDF.

A decision framework for multi-region Next.js hosting: when single-region is genuinely fine and what managed platforms charge per region.

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.

GDPR-compliant analytics with Umami: no cookies, no consent banner, self-hosted or cloud – and when server-side GA4 is still the right call for EU products.

Self-host a Node.js API on a €6/month VPS: Caddy reverse proxy, Docker Compose, zero-downtime deploy script, and GitHub Actions CI – complete production setup.

Next.js view counter with Upstash Redis over HTTP: atomic INCR, Edge Runtime for zero cold starts, React Strict Mode fix, and slug namespace gotchas.

Next.js dynamic OG images with Satori: why opengraph-image.tsx hangs Turbopack at 400% CPU, how API routes fix it, plus WOFF2 and Twitter card gotchas.

40+ point production SaaS checklist: auth, Stripe billing, PostgreSQL, rate limiting, email, monitoring, and security – with honest 8-week build estimates.

Puppeteer vs @react-pdf/renderer for Node.js PDF generation, decided by production use, not benchmarks.

Turborepo monorepo with Next.js and Hono, sharing one set of TypeScript types across frontend and backend.