Supabase Auth SSR Setup

Overview

Configure Supabase Authentication for Next.js App Router with server-side rendering (SSR), secure cookie-based sessions, middleware protection, and complete authentication flows.

Installation and Configuration Steps

1. Install Dependencies

Install Supabase SSR package for Next.js:

npm install @supabase/supabase-js @supabase/ssr

2. Create Supabase Client Utilities

Create three client configurations for different contexts (browser, server, middleware):