Zod v4 + Next.js Server Actions: End-to-End Type Safety
A complete working pattern for type-safe Server Actions in Next.js 15 using Zod v4 — auth-aware wrappers, shared client/server schemas, file uploads, discriminated error shapes, useActionState wiring, and tests that exercise the validation boundary.
Zod
TypeScript
Next.js
Server Actions
Validation
By Technspire Team