# BaaS Foundation - Reference Documentation

## Official Documentation

### Core BaaS Providers
- **Supabase**: [supabase.com/docs](https://supabase.com/docs) - Open-source Firebase alternative
- **Firebase**: [firebase.google.com/docs](https://firebase.google.com/docs) - Google's BaaS platform
- **Auth0**: [auth0.com/docs](https://auth0.com/docs) - Authentication as a Service
- **Clerk**: [clerk.com/docs](https://clerk.com/docs) - Modern authentication platform
- **Railway**: [railway.app/docs](https://railway.app/docs) - Application deployment platform
- **Vercel**: [vercel.com/docs](https://vercel.com/docs) - Frontend deployment and edge functions
- **Neon**: [neon.tech/docs](https://neon.tech/docs) - Serverless PostgreSQL
- **Convex**: [convex.dev/docs](https://convex.dev/docs) - Real-time database and functions
- **Cloudflare**: [developers.cloudflare.com](https://developers.cloudflare.com) - Edge computing and security

### BaaS Architecture Patterns

#### Provider Selection Matrix
| Provider | Best For | Key Features | Pricing Model |
|----------|-----------|--------------|---------------|
| Supabase | Open-source stack | PostgreSQL, Auth, Storage, Edge Functions | Usage-based |
| Firebase | Rapid prototyping | Firestore, Auth, Cloud Functions, Hosting | Usage-based |
| Auth0 | Enterprise auth | SSO, MFA, Breach Detection, Anomaly Detection | MAU-based |
| Clerk | Modern web apps | Passwordless, Social auth, Webhooks | MAU-based |
| Railway | App deployment | Container-based, CI/CD, Preview environments | Usage-based |
| Vercel | Frontend apps | Next.js optimization, Edge functions, Global CDN | Usage-based |
| Neon | Serverless DB | PostgreSQL, Branching, Auto-scaling | Storage+Compute |
| Convex | Real-time apps | Reactive functions, Sync, Schema validation | Usage-based |
| Cloudflare | Edge computing | Workers, KV, CDN, Security | Usage-based |

#### Integration Architecture Patterns

##### Pattern 1: Monolithic BaaS
```
Frontend App
    ↓
Single BaaS Provider (e.g., Firebase)
    ↓
All Services (Auth, DB, Functions, Storage)
```

##### Pattern 2: Multi-Provider Architecture
```
Frontend App
    ↓
Auth Provider (Auth0/Clerk)
    ↓
Backend API
    ↓
Database Provider (Supabase/Neon) + Functions (Convex/Cloudflare)
```

##### Pattern 3: Hybrid On-Prem + BaaS
```
Frontend App
    ↓
On-Prem Backend API
    ↓
Selective BaaS Services (Auth, Storage, Edge Functions)
```

### Security Considerations

#### Authentication Patterns
- **JWT Tokens**: Stateless authentication with refresh tokens
- **OAuth 2.0**: Third-party authentication integration
- **Multi-factor Auth**: Enhanced security with SMS/Email/TOTP
- **Session Management**: Secure session handling and expiration
- **User Roles**: Role-based access control (RBAC)

#### Data Security
- **Encryption**: Data at rest and in transit
- **Row-Level Security**: Database-level access control
- **API Security**: Rate limiting, input validation, CORS
- **Secrets Management**: Environment variable protection
- **Compliance**: GDPR, SOC 2, HIPAA considerations

### Performance Optimization

#### Database Optimization
- **Indexing Strategy**: Query performance optimization
- **Connection Pooling**: Efficient database connections
- **Caching Layers**: Redis, CDN caching strategies
- **Query Patterns**: Efficient data access patterns
- **Data Modeling**: Optimal schema design

#### Edge Computing
- **Global Distribution**: Content delivery optimization
- **Edge Functions**: Compute at the edge for low latency
- **CDN Strategies**: Static asset optimization
- **Geographic Routing**: User proximity routing
- **Caching Hierarchies**: Multi-layer caching architecture

## External References

### Architecture Best Practices
- **Microservices Patterns**: [microservices.io](https://microservices.io/)
- **Serverless Architecture**: [serverless-stack.com](https://serverless-stack.com/)
- **Database Design**: [Database Design Best Practices](https://www.microsoft.com/en-us/sql-server/what-is-database-design)

### Security Standards
- **OWASP Top 10**: [owasp.org/www-project-top-ten](https://owasp.org/www-project-top-ten/)
- **OAuth 2.0 RFC**: [tools.ietf.org/html/rfc6749](https://tools.ietf.org/html/rfc6749)
- **JWT Standards**: [jwt.io](https://jwt.io/)

---

**Last Updated**: 2025-11-11
**Related Skills**: moai-baas-auth0-ext, moai-baas-supabase-ext, moai-baas-firebase-ext
