Authentication & Protected Routes in the Next.js App Router

Authentication & Protected Routes in the Next.js App Router

Think of the last app you built with authentication. How many hoops did you jump through — passing props, syncing state, juggling client and server logic? With the Next.js App Router, auth finally clicks into place. Instead of bolting it on with workarounds, you can handle authentication where it belongs: on the server, integrated with React Server Components and modern layouts. This chapter shows you how — and why — NextAuth, middleware, and co…