$ next build
▲ Next.js 16.1.6 (Turbopack)

⚠ The "middleware" file convention is deprecated. Please use "proxy" instead. Learn more: https://nextjs.org/docs/messages/middleware-to-proxy
  Creating an optimized production build ...
✓ Compiled successfully in 1604.2ms
  Running TypeScript ...
  Collecting page data using 11 workers ...
  Generating static pages using 11 workers (0/4) ...
  Generating static pages using 11 workers (1/4) 
  Generating static pages using 11 workers (2/4) 
  Generating static pages using 11 workers (3/4) 
✓ Generating static pages using 11 workers (4/4) in 147.7ms
  Finalizing page optimization ...

Route (app)
┌ ○ /
└ ○ /_not-found


ƒ Proxy (Middleware)

○  (Static)  prerendered as static content