A comprehensive introduction to Next.js 15 covering App Router, Server Components, Server Actions, and every major feature you need to build production-ready applications. Written for developers migrating from older versions or starting fresh.
Master the Next.js nested layout system — build persistent sidebars, per-section navigation, and shared UI that survives navigation without re-mounting using layout.tsx and template.tsx.
Master Next.js 15 in 2026 with App Router, React Server Components, Server Actions, streaming, caching, and Turbopack. Aimed at developers building production-grade full-stack apps.