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Complex UAT PRD: Multi-Service E-Commerce Platform

Project Overview

Build a complete e-commerce platform with microservices architecture, real-time features, and advanced integrations.

Core Requirements

1. User Management Service

  • User registration and authentication with JWT
  • Role-based access control (Customer, Admin, Vendor)
  • Password reset functionality with email notifications
  • Social login integration (Google, GitHub)
  • User profile management with avatar upload

2. Product Catalog Service

  • Product CRUD operations with image management
  • Category hierarchy with nested categories
  • Product search with Elasticsearch integration
  • Product reviews and ratings system
  • Inventory management with low-stock alerts

3. Shopping Cart & Orders Service

  • Persistent shopping cart with Redis
  • Real-time cart synchronization across devices
  • Order processing workflow with state machine
  • Payment integration with Stripe
  • Order tracking with shipping provider APIs

4. Real-Time Features

  • Live chat support with WebSocket
  • Real-time inventory updates
  • Push notifications for order status
  • Live product availability updates

5. API Gateway & Security

  • Rate limiting and request throttling
  • API authentication and authorization
  • Request/response logging and monitoring
  • CORS and security headers configuration

6. Data Layer

  • PostgreSQL for transactional data
  • Redis for caching and sessions
  • Elasticsearch for product search
  • File storage for images (S3 compatible)

7. DevOps & Monitoring

  • Docker containerization
  • CI/CD pipeline with GitHub Actions
  • Health checks and monitoring
  • Logging aggregation
  • Performance metrics collection

Technical Specifications

Architecture

  • Microservices with API Gateway
  • Event-driven communication with NATS
  • Database per service pattern
  • Circuit breaker pattern for resilience

API Design

  • RESTful APIs with OpenAPI documentation
  • GraphQL endpoint for complex queries
  • Webhook endpoints for external integrations
  • API versioning strategy

Quality Requirements

  • 95% test coverage minimum
  • Response time <200ms for API calls
  • 99.9% uptime requirement
  • Security vulnerability scanning
  • Performance load testing

Deployment

  • Kubernetes manifests
  • Helm charts for configuration
  • Environment-specific configs
  • Blue-green deployment strategy

Success Criteria

  1. All services deploy successfully
  2. End-to-end user flows work correctly
  3. Real-time features function properly
  4. API documentation is complete
  5. Monitoring dashboards show healthy metrics
  6. Load testing passes performance requirements

Timeline

  • Development: 30 minutes (automated generation)
  • Testing: 15 minutes (automated validation)
  • Deployment: 10 minutes (containerized deployment)