A microservice-based e-commerce order system built with Spring Boot and gRPC, demonstrating modern microservices architecture and best practices.

The system consists of three main microservices:

• Store Service: Handles order management and product inventory
• Bank Service: Manages payment processing and refunds
• Email Service: Handles email notifications

• Java 17
• Spring Boot
• MySQL
• MyBatis
• gRPC
• RESTful APIs

• gRPC (Bank Service Integration)
• REST API (Email Service Integration)

• MySQL
• MyBatis ORM

• Maven
• Protocol Buffers
• Spring Boot Starter
• gRPC Spring Boot Starter

• Order Management
• Payment Processing
• Refund Handling
• Inventory Management
• Email Notifications
• Transaction Management
• Account Balance Management

Project Structure

microservice-order-system/
├── store/                
├── bank-service/         
├── email-service/        
├── store/             
├── bank_service/         
├── scripts/             
│   └── startAll.sh       
└── README.md       

• Java 17
• Maven
• MySQL

The MySQL table schemas for the Store Service and Bank Service are provided in the root directory:

store_db/: Contains SQL scripts for the Store Service database. bank_service/: Contains SQL scripts for the Bank Service database.

Starting the System To start all microservices and set up the necessary components, use the provided startup script:

./scripts/startAll.sh

This script will:

Initialize the MySQL databases for the Store and Bank services. Start the Store Service, Bank Service, and Email Service. Ensure all services are up and running.