Next.js 16 App Router
Comprehensive practical reference for Next.js 16 development: 11 key domain topics, 61 in-depth lessons. From zero quickstart, routing and Server Components to distributed cache, DAL security, Multi-Tenant SaaS, streaming queues, and Staff-level internals.
Key Next.js Topics
Select a topic to view structured lesson lists with time estimations, code explanations, and production architectures
Next.js 16 Quickstart (From Scratch)
Zero to hero with Next.js 16: App Router anatomy, Server vs Client Components, async fetching, and Server Actions
Routing & Navigation
App Router, file-based routing, layouts, route handlers, middleware, parallel and intercepting routes
Rendering & Components
Server and Client Components, SSR, SSG, ISR, Partial Prerendering (PPR), Streaming, and Suspense
Data, Caching & Mutations
"use cache", cacheLife, cacheTag, React cache(), Server Actions, tag revalidation
Optimization & Production
next/image, next/font, Core Web Vitals, Bundle Analyzer, standalone output, Docker deployment
Architecture & Patterns
Data Access Layer (DAL), Authentication, RBAC, Multi-tenant architectures, and Micro-frontends
Cache Components & Dynamic I/O
"use cache" directive, cacheLife, cacheTag, updateTag, distributed cacheHandlers (Redis/S3), post-response after()
Security, RBAC & Data Access Layer
proxy.ts network boundary vs DAL, authInterrupts, unauthorized.tsx, forbidden.tsx, Taint API, Server Actions encryption, CSP Nonces
Multi-Tenant SaaS & i18n
Subdomains and custom domain routing via proxy.ts, type-safe next-intl with rootParams, Multi-Zones micro-frontends, Draft Mode
Real-Time Streaming & Queues
Streaming Route Handlers, SSE, WebStreams, instant navigation with useLinkStatus, S3 Presigned Streams, background job queues and Cron
Staff Internals & Compilers
Turbopack computation graph, React Compiler, OpenTelemetry fullstack tracing, SSR Node.js memory leak profiling, Adapters API, Strangler Fig