How to Build Your Own Supabase
Replace Supabase with a custom build. The open source Firebase alternative
Build Difficulty: 4/5
A few focused days to build a solid replacement
Estimated Timeline
Based on 42 features at Few Days difficulty, expect about 3-5 days with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 42 features
Authentication(6 features)
Create anonymous sessions for unauthenticated users.
Multi-factor authentication with email, phone, OAuth, and passwordless login.
Passwordless login via email magic links.
TOTP-based multi-factor authentication for enhanced security.
Built-in integration with Google, GitHub, Discord, Twitch, and more.
+1 more in this category
Security(5 features)
Generate and manage API keys with granular permission scopes.
Custom PostgreSQL roles for fine-grained permission management.
Restrict database access to specific IP addresses.
PostgreSQL-native row level security policies for granular access control.
Secure remote access to your database via SSH.
Storage(5 features)
Global CDN for fast storage object delivery.
Granular access control for storage buckets and objects.
On-the-fly image resizing, cropping, and optimization.
Generate time-limited download links for stored objects.
S3-compatible object storage for files, images, and media.
API(3 features)
Rate limiting, request routing, and API management.
Automatic REST and GraphQL APIs generated from your database schema.
Native GraphQL API with automatic schema generation.
Database(3 features)
Enable PostgreSQL extensions like PostGIS, uuid-ossp, and more.
Version control and automation for database schema changes.
Fully managed PostgreSQL relational database with real-time capabilities.
Developer Tools(3 features)
Create isolated database branches for development and testing.
Separate environments for development, staging, and production.
Browser-based SQL IDE for running queries and managing database.
Real-time(3 features)
Listen to database changes in real-time across connected clients.
Send real-time messages between clients without database changes.
Track and broadcast active user presence across connected clients.
Monitoring(2 features)
Query and analyze API, database, and function execution logs.
Real-time metrics for database, API, and storage usage.
Cost Calculator
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Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 42 features at easy complexity.