Architecture Diagrams 📐
This document provides visual representations of ShopVerse’s architecture to make the system easy to understand, explain, and present during reviews or interviews.
All diagrams are written using Mermaid, so they stay version-controlled, editable, and consistent with the codebase.
🗺️ 1. System Overview Diagram
This diagram shows the high-level structure of ShopVerse and how major components interact.
🔐 2. Authentication & Authorization Flow
This diagram focuses on security flow across the system.
📡 3. Event-Driven Communication Flow
This diagram explains how events propagate through Kafka.
🗄️ 4. Database per Service Pattern
This diagram illustrates data isolation in ShopVerse.
🔄 5. Order Placement Flow (End-to-End)
This diagram shows a real user action from request to async processing.
🧠 How to Use These Diagrams
- For interviews: Explain one diagram at a time
- For onboarding: Start with system overview
- For debugging: Follow event and request flow
- For scaling discussions: Use Kafka and DB diagrams
📌 Why Mermaid?
- Lives with code
- Easy to update
- Git-friendly
- No external diagram tools required
- Perfect for documentation websites
✅ Summary
These diagrams together provide:
- Clear system understanding
- Visual clarity for complex flows
- Interview-ready explanations
- Maintainable documentation
ShopVerse architecture is best understood visually — these diagrams make that possible.