Step-by-step guide to building a full email/password authentication system with Auth.js v5 and Next.js App Router. Covers registration, login, password reset, route protection, rate limiting, and production deployment.
A practical guide to building production-ready authentication in Next.js using Auth.js v5. Covers OAuth and credentials providers, session strategies, protecting routes in server components, role-based access control, and security best practices for the App Router.
A complete guide to Next.js middleware and the proxy.ts migration. Covers authentication gates, i18n routing, rate limiting, A/B testing, CORS, geolocation routing, CVE-2025-29927 security lessons, and performance best practices.