How can I implement authentication in my Next.js app?

How can I implement authentication in my Next.js app?

You can implement authentication in Next.js using libraries like NextAuth.js or by creating a custom solution with JWT.

What is NextAuth.js and how does it work?

NextAuth.js is an authentication library for Next.js that provides easy integration with various providers like Google, Facebook, etc.

Can I use JWT for authentication in Next.js?

Yes, you can use JWT for authentication. You would typically create a login API route that issues a JWT upon successful login.

What about authorization? How can I protect certain routes?

For authorization, you can use middleware to check if a user is authenticated before allowing access to certain routes.