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Implementing Supabase Auth in Next.js

2026-02-18

Practical setup for auth flows with Supabase and Next.js

nextjssupabaseproject

Implementing Supabase Auth in Next.js

This guide covers a production-oriented Supabase authentication setup using server-side checks and protected routes.

What I implemented

  • Email/password sign-in
  • Session-aware navigation
  • Route protection for private pages

Lessons learned

Auth is less about forms and more about consistent session handling across server and client boundaries.

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