nextjs-mastery

Next.js 15/16 App Router patterns and best practices — Server Components, streaming, parallel routes, intercepting routes, Server Actions, route handlers, caching ("use cache"), metadata, Auth.js v5, i18n, error handling, security headers, proxy.ts, React Compiler, and Turbopack. Use when building Next.js applications, implementing SSR/SSG, choosing between Server and Client Components, optimizing data fetching and caching, setting up authentication, or configuring security.