A Modern Web Application Architecture
graph TD
subgraph User Facing
Frontend[Frontend
React/TS
Tailwind CSS]
end
subgraph Infrastructure
CDN[CDN/Static Assets]
APIGateway[API Gateway
Express.js
Rate Limiting]
LoadBalancer[Load Balancer
Nginx/HAProxy]
end
subgraph Core Services
Backend[Backend
Node.js
PostgreSQL]
Queue[Queue System
Redis/BullMQ]
ToolEngine[Tool Engine
Docker/k8s]
end
subgraph Asynchronous Services
Reporting[Reporting Service
Puppeteer/PDF]
Notifications[Notification Svc
Email/Slack/SMS]
end
Frontend -- HTTPS --> APIGateway
Frontend -- Assets --> CDN
APIGateway -- Routes --> Backend
APIGateway -- Routes --> LoadBalancer
LoadBalancer -- Distributes --> ToolEngine
Backend -- Tasks --> Queue
Queue -- Jobs --> ToolEngine
Queue -- Jobs --> Reporting
Queue -- Jobs --> Notifications