8 min read
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
The Lab · Written in the open · Tagged Development
Lab.
Working notes from the studio. The tools I build, the workflows I keep, the mistakes I paid for.
170 entries · latest 2026-09-11
8 min read
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
11 min read
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…
12 min read
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,…
11 min read
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…
11 min read
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…
11 min read
The 5 Postgres Extensions Every Shopify Backend Needs
pg_cron, pgvector, pg_partman, pg_stat_statements, postgres_fdw. The five extensions that turn generic Postgres into a Shopify-aware database.
11 min read
CSS Subgrid Made My Dashboard Layouts Trivial: 5 Patterns
5 production CSS Subgrid patterns for dashboards, forms, articles, and tables. When to reach for Subgrid vs grid-template-areas…
13 min read
Claude Managed Agents Now Have Filesystem Memory
Claude Managed Agents got filesystem memory in public beta on April 23, 2026, agents read and write actual…
8 min read
Astro 5 vs Next.js for Marketing Sites: I Migrated 3 Projects
Next.js dev server cold start hit 14 seconds on a static portfolio, that was the breaking point.
7 min read
Resend vs Postmark: 30 Days With Each For Transactional Email
Resend with React Email shipped in 18 minutes, Postmark took 41 minutes plus DMARC tweaks
8 min read
The 8 Drizzle ORM Patterns I Use in Every Shopify Backend
Schema-first pgTable definitions and drizzle-kit migrations keep my Shopify backend predictable across 6 projects.