Next.js App Router

Production guidance for Next.js 16 App Router applications. Server-first: keep rendering, data access, and secrets on the server; add 'use client' only for interactivity.

Architecture Overview

Request → proxy.ts → Route (layout/page) → Server Components → DB/API
                              │                    │
                              │                    ▼
                              │              RSC Payload + HTML
                              │                    │
                              ▼                    ▼
                        Route Handlers      Streaming + Suspense
                                                   │
                                                   ▼
                                          Client Components (hydrate)