System Design - Full stack Blog (simple blog) (Microservices Architecture)

1. Overview

• Project Goal
• Technology Stack
  • Frontend: React
  • Backend: Express (Node.js)
  • Database: MySQL
  • Containerization: Docker
  • Deployment: AWS (ECS or EC2)

2. Architecture Diagram

• System Components
• Communication Flow

3. Microservices

3.1 Authentication Service

• User Registration and Login (Google account only)
• JWT token issuance and validation
• User Database (MySQL)

3.2 Blog Service

• Create, Read, Update, Delete (CRUD) Posts
• Commenting System (optional/simple)
• Post Database (MySQL)

3.3 API Gateway

• Route incoming requests to the correct service
• Validate JWT tokens for protected routes

4. Frontend (React App)

• Authentication Pages (Login, Signup) (Google Account)
• Blog Page (Post List, Post Detail, Create/Edit Post)

5. Deployment

• Docker Compose setup
• AWS ECS / EC2 Deployment
• Load Balancer

6. Security Considerations

• Only Google Account
• API Security Best Practice

7. Future Improvements

• User Profile Page
• Like/Favorite Posts
• Search Functionality