NextAuth (Auth.js v5) Integration Guide — Next.js 16
A step-by-step guide to setting up Auth.js v5 in a Next.js 16 App Router app — covering GitHub OAuth configuration, proxy.ts-based route protection, reading sessions in Server Components, securing Server Actions, and an overview of the experimental passkey (WebAuthn) provider. Published on DevStacked, my developer blog covering practical Next.js and SaaS implementation guides.