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AI tools, creative workflows, developer deep-dives, and behind-the-scenes from RAXXO Studios.
80 articles
Replacing Webpack DevServer With Bun Hot Reload: 14 Lines, 3.2x Faster
Webpack DevServer ate 250MB and took 4.1s to start 14 lines of Bun replaced it with WebSocket HMR Cold start dropped from 4.1s to 1.3s, memory from 250MB to 40MB It still loses on React Fast Refresh, CSS HMR, and...
Read articleServer-Sent Events Beat WebSockets for 80% of My AI Streaming UIs: 5 Patterns
Server-Sent Events handle 80% of AI streaming UIs with one HTTP connection and zero WebSocket overhead. 5 production patterns with code.
PostHog Error Tracking Killed My Sentry Bill
Sentry cost me 80 EUR/month for ~12k errors that PostHog now catches on the free tier posthog-js already loaded on the storefront, so error tracking...
Shopify Functions Replaced 8 Apps In One Saturday
Cancelled 8 paid apps in one Saturday and dropped 180 EUR/month off the app bill to zero recurring spend Shopify Functions ship as compiled wasm...
Bun Shell Replaced Every Bash Script in My Studio
I deleted 1,400 lines of bash and 23 scripts, replaced by 600 lines of Bun Shell TypeScript Bun Shell ($`...`) gives typed args, automatic escaping,...
Neon Database Branching Saved Me 200 EUR Every Month
I run 14 Neon database branches per project for the price of one Postgres instance Neon copy-on-write branching clones a 12 GB database in under...
5 Vercel Edge Config Patterns I Use For Shopify A/B Tests
Edge Config reads in ~15ms at the edge, no cold start, no extra request to Shopify I cut a 50 EUR/month LaunchDarkly bill to 0...
The 6 Vite Plugins That Replaced My Webpack Config
I cut 11 Webpack plugins down to 6 Vite plugins and dev startup dropped from 4.2s to 0.8s vite-plugin-checker runs TypeScript and ESLint in a...
5 Cloudflare Workers Patterns I Use for Shopify Edge Logic
5 production Cloudflare Workers patterns for Shopify backends: A/B testing, geo banners, signed customer URLs, AI personalization, webhook buffer queues.
Bun's Test Runner Replaced Vitest in My New Projects
Bun's built-in test runner runs 5-15x faster than Vitest, ships zero-config snapshots and coverage. Migration in 30 minutes, where Vitest still wins.
CSS Anchor Positioning Is Production-Ready: 5 Patterns
5 production CSS Anchor Positioning patterns: tooltips, dropdowns, inline edit popovers, context menus, follow-cursor labels. When to pick it over Floating UI.
TypeScript Decorators Finally Shipped: What Changed in 2026
Stage 3 decorators in TypeScript 5+ are stable in 2026. Migration from legacy, 5 production patterns, and where they belong now.