Enterprise-Grade System Design Blueprint
This expert-level architectural design prompt guides you through building a comprehensive, production-ready men's eCommerce platform with modern frontend, robust backend, advanced search capabilities, and complete deployment infrastructure. Perfect for senior engineers and architects designing scalable eCommerce systems.
Complete product catalog with variants (color/size), SKU-level inventory tracking, ratings and reviews, stock management, and dynamic pricing with discounts
Enterprise-grade full-text search powered by Apache Solr with faceted filtering, multi-sort options, pagination, and URL-based filter persistence for SEO
Hybrid cart system supporting both guest (session-based) and authenticated carts with automatic merge on login, Redis caching, stock validation, and quantity limits
Multi-step checkout flow with shipping calculation, tax computation, payment tokenization (Card + PayPal), PCI DSS compliance, and idempotent payment processing
## Prompt: Design a Comprehensive Enterprise-Grade Men's eCommerce Platform You are a **senior software architect and product engineer** tasked with designing a **production-ready, enterprise-grade Men's eCommerce web application** named **Ensar Mens eCommerce**. ### 1. High-Level Objective Design a **full-stack ecommerce platform** that delivers a seamless online shopping experience for men's apparel and sportswear. The system must support product discovery, advanced search, deals and promotions, shopping cart, checkout, payments, order management, and a polished, responsive UI. Focus on: * Scalability * Performance * Security * Clean modular architecture * Production readiness ⚠️ **Do NOT write actual code**. Produce **architecture, data models, flows, APIs, and system behavior** only. --- ### 2. Technology Stack (Mandatory) #### Frontend * React 18 * TypeScript (strict mode) * Vite * React Router DOM v6 * Axios * TanStack Query (React Query) * Zustand (client state) * Tailwind CSS * Headless UI * React Hook Form + Zod * Lucide React icons #### Backend * Spring Boot 3.x * Java 17+ * Spring Web (REST APIs) * Spring Data JPA * Spring Data Redis (caching) * Spring Data Solr (search) * Spring Validation * Spring Security (foundation only) * Lombok * SpringDoc OpenAPI (Swagger) #### Infrastructure * MySQL 8.0 (primary database) * Redis 7 (caching) * Apache Solr 9 (search) * Docker + Docker Compose * GitHub Actions (CI/CD) --- ### 3. Architecture Expectations * Clear separation between frontend and backend * REST-based communication * Dockerized services * Docker Compose orchestration for: * MySQL * Redis * Solr * Backend * Frontend * Environment-based configuration (dev / staging / prod) * Production-grade logging, monitoring, and health checks --- ### 4. Core Functional Modules (Must Design) #### Product Catalog * Products * Product images * Variants (color, size, SKU-level inventory) * Ratings & reviews metadata * Stock tracking * Pricing & discounts #### Search & Discovery * Apache Solr-powered full-text search * Faceted filtering: * Brand * Category * Price range * Size * Color * Sale / New arrivals * Sorting: * Relevance * Newest * Price (asc/desc) * Top-rated * Pagination (48 / 96 / 144 items) * URL-based filter persistence #### Deals & Promotions * Flash sales * Seasonal promotions * Clearance * Bundle offers * Many-to-many product–deal mapping * Deal pricing snapshots * Scheduled activation and expiration #### Shopping Cart * Guest carts (session-based) * Authenticated carts (user-based) * Cart merge on login * Stock validation * Quantity limits * Redis-backed cart caching * Daily cleanup of expired carts #### Checkout Flow Multi-step checkout with: 1. Contact information 2. Shipping method selection 3. Shipping & billing addresses 4. Payment (Card + PayPal) Include: * Shipping cost calculation * Estimated delivery dates * State-based tax calculation * Payment tokenization (PCI compliant) * Idempotent payment processing #### Order Management * Immutable order snapshots * Human-readable order numbers (ENS-YYYYMMDD-XXXX) * Order lifecycle tracking * Payment status tracking * Shipping & fulfillment data * Order audit history * Order search & filtering --- ### 5. User Experience & UI Requirements Design UI behavior and layout for: * Header & navigation * Product listing cards * Product detail page * Shopping cart page * Checkout experience * Order confirmation page Design principles: * Modern ecommerce aesthetics * Tailwind-based theming * Desktop, tablet, and mobile responsiveness * Accessibility (keyboard & screen readers) * Performance-friendly animations --- ### 6. Performance Optimization Strategy Include: * Code splitting & lazy loading * Image optimization (WebP, CDN, lazy loading) * React memoization strategies * Redis caching patterns * React Query caching behavior * Database indexing & query optimization --- ### 7. Security & Compliance Design for: * HTTPS-only communication * Secure headers * Input validation & sanitization * JWT-ready authentication * PCI DSS compliance * Tokenized payments * GDPR-aligned data handling * Secure logging (no PII leakage) --- ### 8. Testing Strategy Describe testing for: * Unit tests (frontend & backend) * Component tests * Integration tests * End-to-end tests (Playwright) * Performance testing * Accessibility testing * CI test automation --- ### 9. Deployment & Operations Define: * Docker image strategy * Multi-stage builds * Docker Compose setup * CI/CD pipeline using GitHub Actions * Environment-based configs * Health checks & monitoring * Logging & alerting * Error tracking * Rollout strategy (dev → staging → prod) --- ### 10. Output Format Produce the response as: * Structured sections * Clear bullet points * Architecture diagrams (described in text) * Tables where useful * No implementation code --- ### Final Goal Deliver a **complete, enterprise-grade system blueprint** that a real engineering team could directly use to implement the **Ensar Mens eCommerce Platform** at production scale. ---
Architecture First: This prompt deliberately asks for architecture, data models, and system behavior WITHOUT implementation code. Use it to design the system blueprint before coding begins.
Apache Solr Integration: Design comprehensive search capabilities with faceted filtering, multi-sort options, and URL-based filter persistence. Consider Solr schema design, indexing strategies, and query optimization patterns.
Hybrid Cart System: Design both guest (session-based) and authenticated carts with seamless merge on login. Use Redis for cart caching with appropriate TTL and cleanup strategies.
Deals & Promotions: Design flexible promotion system with many-to-many product-deal mapping, scheduled activation/expiration, and immutable pricing snapshots for audit trails.
Payment Security: Design PCI DSS compliant payment processing with tokenization, idempotent operations, and secure logging (no PII leakage). Consider both Card and PayPal payment methods.
Production Readiness: Include comprehensive sections on performance optimization, security compliance, testing strategy, and deployment operations. Design for scalability from day one.