Supabase is an open-source Backend-as-a-Service (BaaS) platform.
It is often called the open-source alternative to Firebase.

It provides:

• PostgreSQL Database
• Authentication
• Realtime subscriptions
• Storage
• Edge Functions
• Auto-generated APIs

Why Supabase is Popular

• Open Source : Built on open technologies like PostgreSQL.
• Instant APIs : Automatically generates REST & GraphQL APIs from your database.
• Realtime Features : Listen to database changes in real time.
• Built-in Auth : Supports email/password, OTP, OAuth (Google, GitHub, etc.).
• Easy to Use : Modern dashboard and developer-friendly docs.

Key Features Explained

• PostgreSQL Database

1. Full relational database
2. Advanced queries
3. Extensions support
4. Row-Level Security (RLS)
5. Authentication

• JWT-based auth

1. Social logins
2. Magic link login
3. Role-based access

• Realtime

1. WebSocket-based subscriptions
2. Live dashboards
3. Chat apps

• Storage

1. Store images, videos, files
2. Secure access policies

• Edge Functions

1. Serverless backend logic
2. Written in TypeScript

Supabase vs Firebase (Comparison Section)

How Supabase Works (Simple Flow)

• Create a project
• Design your database
• Enable authentication
• Connect frontend (React, Next.js, Flutter, etc.)
• Deploy