Database

Route Handlers for building REST APIs, handling webhooks, streaming responses, and CORS in Next.js App Router

App Router fundamentals including file-based routing, layouts, loading states, and parallel routes in Next.js

Authentication patterns using NextAuth.js (Auth.js) and Clerk for protecting routes and managing sessions in Next.js

Data fetching and caching strategies including Server Components, fetch options, ISR, and the Next.js cache layers

Deployment strategies for Next.js including Vercel, self-hosting with Node.js, Docker containers, and static export

Image optimization with next/image, asset handling, fonts, and performance tuning for Next.js applications

Middleware patterns for request interception, redirects, rewrites, authentication guards, and geo-routing in Next.js

Server Actions and mutations for handling form submissions, data mutations, and revalidation in Next.js