React Tutorial #22: Next.js Authentication with NextAuth v5
In the previous tutorial, you built APIs with Route Handlers. Now let’s add user authentication with NextAuth.js v5. For a deeper look at authentication security concepts, see Security Tutorial: Authentication. What is NextAuth.js v5? NextAuth.js v5 (also called Auth.js) is an authentication library for Next.js. It supports: OAuth providers: GitHub, Google, Discord, and 50+ more Email/password credentials Magic links (passwordless email) JWT and database sessions Version 5 rewrote the API from v4. The biggest change: one auth.ts config file and a single auth() function that works everywhere. ...