Mei-Lin Wu

Front-end architect at a SaaS. Owns the build system, the design system, and the war stories about both.

Articles by Mei-Lin Wu

Tutorials Jul 07, 2026Intermediate

Type-Safe Environment Variables in Next.js with @t3-oss/env-nextjs and Zod (2026)

Stop shipping empty API keys. Validate Next.js env vars at build time with @t3-oss/env-nextjs and Zod 4: server/client split, Turbopack, and Docker deployments.

Mei-Lin Wu 21 min read

Tutorials Jun 21, 2026Advanced

Next.js Monorepo with Turborepo and pnpm: Workspaces, Shared Packages, and CI Caching (2026)

Set up a Next.js 16 monorepo with Turborepo and pnpm. Workspace structure, shared UI packages, Vercel remote caching, and CI config that actually scales.

Mei-Lin Wu 13 min read

Tutorials May 31, 2026

Migrating middleware.ts to proxy.ts in Next.js 16: the parts the codemod misses

Next.js 16 renamed middleware.ts to proxy.ts. The official codemod handles the file rename and the function signature, but I hit three things on a real production migration that the changelog glosses over.

Mei-Lin Wu 3 min read