Backend Architecture
System Architecture
Client Layer
- Web Dashboard
- Mobile Apps
- Third-party Apps
API Layer
- REST API
- GraphQL
- WebSockets
Service Layer
- AI Processing
- Auth Service
- Analytics
Data Layer
- PostgreSQL
- MongoDB
- Redis
Technology Stack
Languages/Frameworks
Node.js (Express)
Python (FastAPI)
Databases
PostgreSQL
MongoDB
Redis
Infrastructure
Docker
Kubernetes
AWS
API Endpoints
| Method | Endpoint | Description |
|---|---|---|
| POST | /api/auth/login | User authentication |
| GET | /api/conversations | List conversations |
| POST | /api/ai/process | Process AI request |
Authentication Flow
JWT Authentication
Secure stateless authentication using JSON Web Tokens
-
1
Client Login
User submits credentials to /api/auth/login
-
2
Token Generation
Server validates credentials and returns JWT
-
3
API Requests
Client includes token in Authorization header
-
4
Token Validation
Middleware verifies token before processing request
