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We're shifting tags ā š£ ADVANCED ā š” PROFESSIONAL. Server Components are the React 19 architecture every team is migrating toward. In this lesson: ā Server Components run ONLY on the server, ship ZERO JS ā `await db.product.findMany()` directly in components ā `'use client'` ā opt into interactivity (state, events, browser APIs) ā `'use server'` Actions ā server functions called from client like normal funcs ā Streaming + Suspense ā progressive rendering ā Vite SPA vs Next.js ā when to choose which You'll learn: ā When to start with `'use client'` (rarely) and where to put it (small islands) ā How Actions replace many useMutation + REST endpoint pairs ā Why the L00-L09 stack (Vite SPA + FastAPI) is still valid in 2026 Chapters: 00:00 The split ā server vs client 01:00 Server Component anatomy 02:30 The 'use client' boundary 03:00 'use server' Actions walkthrough 04:30 Streaming with Suspense 05:30 Vite SPA vs Next.js ā the 2026 framework decision 06:30 Recap ā L11 Tests + Vite + Docker #ReactServerComponents #React19 #Nextjs #WebDev #TypeScript