FlowMart System Architecture: High-Level Overview

This diagram provides a high-level overview of the FlowMart e-commerce platform architecture. It illustrates the main components and how they interact to deliver our online shopping experience.

Business Context

FlowMart is an e-commerce platform that enables customers to browse products, place orders, make payments, and track shipments. The architecture is designed to be scalable, resilient, and maintainable, following domain-driven design and event-driven architecture principles.

High-Level Architecture Diagram

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Component Descriptions

Customer Channels

Web Application: A responsive web interface for customers to browse products and place orders
Mobile Apps: Native iOS and Android applications for mobile shopping
Third-Party Integrations: External platforms that integrate with our services

API Gateway Layer

API Gateway / BFF: Backend for Frontend that routes requests, handles authentication, and optimizes responses for different clients

Core Business Domains

Orders Domain: Manages the order lifecycle from creation to fulfillment
Inventory Domain: Tracks product availability and stock levels
Payment Domain: Processes payments and manages financial transactions
Shipping Domain: Handles order delivery and shipment tracking
Subscription Domain: Manages recurring subscriptions and memberships
Notification Domain: Delivers notifications to customers across different channels

Data Stores

Each domain has its dedicated database to ensure domain isolation and independent scalability

External Systems

Payment Gateways: Third-party services for processing credit card payments
Logistics Providers: External shipping and delivery services
Email/SMS Providers: Services for sending notifications to customers

Key Architectural Principles

Domain-Driven Design: Our system is organized around business domains and their bounded contexts
Event-Driven Architecture: Services communicate primarily through events, enhancing decoupling and scalability
Microservices: Each domain is implemented as one or more microservices with clear boundaries
API-First Approach: All functionality is exposed through well-defined APIs
Polyglot Persistence: Each domain can choose the most appropriate database technology

Next Steps

For a more detailed view of our architecture, refer to the following documents:

High-Level FlowMart System Architecture Overview