Fluxbase

Fluxbase

[](https://github.com/nimbleflux/fluxbase/actions/workflows/ci.yml)

A lightweight, single-binary Backend-as-a-Service (BaaS) alternative to Supabase. Fluxbase provides essential backend services including auto-generated REST APIs, authentication, realtime subscriptions, file storage, and edge functions - all in a single Go binary with PostgreSQL as the only dependency.

Features

Core Services

• PostgREST-compatible REST API: Auto-generates CRUD endpoints from your PostgreSQL schema
• GraphQL API: Full GraphQL support with configurable depth/complexity limits
• Authentication: Email/password, magic links, OAuth2 (Google, GitHub, Microsoft, etc.), OIDC, SAML SSO, MFA/TOTP
• Realtime Subscriptions: WebSocket-based live data updates using PostgreSQL LISTEN/NOTIFY
• Storage: File upload/download with access policies (local filesystem or S3), image transformations
• Edge Functions: JavaScript/TypeScript function execution with Deno runtime
• Background Jobs: Long-running tasks with progress tracking, retry logic, cron scheduling
• RPC/Procedures: SQL-based serverless procedures with scheduling and RBAC
• Webhooks: Event-driven webhook delivery for database changes with retries and HMAC signing
• Vector Search: pgvector-powered semantic search with automatic embeddings
• AI/RAG: Knowledge bases, chatbots, and entity extraction
• MCP Server: Model Context Protocol for AI assistant integration
• Multi-Tenancy: Tenant isolation with RLS, separate databases, and per-tenant config
• Database Branching: Isolated dev/test environments with GitHub PR integration

Key Highlights

• Single binary or container deployment
• PostgreSQL as the