Supabase

Open-source Firebase alternative with Postgres, Auth, and AI vector search.

Overview

Supabase provides a full backend with Postgres, real-time subscriptions, auth, and vector embeddings for RAG. Its generous free tier and instant cloud setup make it the default backend for hackathon teams building full-stack AI apps in a weekend.

Best for

• Full-stack apps needing Postgres + Auth + Storage
• RAG prototypes requiring vector search and embeddings
• Teams wanting real-time features without custom server code

Trade-offs

What XeroHack pre-wires

When you pick Supabase in the interview, the engine emits these files into your scaffold:

• Supabase JS client
• Environment variables (NEXT_PUBLIC_SUPABASE_URL)
• Vector extension enabled config