Authentication Providers in NextAuth.js are OAuth definitions that allow your users to sign in with their favorite preexisting logins. You can use any of our many predefined providers, or write your own custom OAuth configuration.| next-auth.js.org
Environment Variables| next-auth.js.org
Callbacks are asynchronous functions you can use to control what happens when an action is performed.| next-auth.js.org
getServerSession| next-auth.js.org
Next.js 13.2 introduces major improvements to the App Router in preparation for stability, including SEO support, Route Handlers, MDX for Server Components, Type-Safe Links, and more.| nextjs.org