Connecting Supabase to Your Next.js App

You have a database with data in Supabase. You have a Next.js app running on your computer. Right now, they don't know about each other. In this lesson, you'll connect them — so your app can read from and write to your database.

This is the moment where your app starts to feel real. Static pages become dynamic. Hard-coded data becomes data that lives in a database and can be changed by users.

Step 1: Install the Supabase Client Library

Open your terminal, navigate to your Next.js project, and install the Supabase JavaScript client:

cd ~/projects/my-first-nextjs-app
npm install @supabase/supabase-js

This package provides the functions you'll use to talk to Supabase from your code. It handles authentication, makes API calls, and gives you a clean interface for CRUD opera