nitishSr / ecommerce-spring-integration

Spring boot e-commerce micro-services with spring integration using message and queue channels (without external RabbitMQ server)

This code sample is build on top of the repository sample spring boot ecommerce-spring-amqp. It demonstrates the use of Spring Integration messaging and channel feature to setup message based order processing system for the order-service. It uses in-memory messaging system and is not dependend on any external broker like RabbitMQ.

Setup locally

Setup MySQL database

• Install mysql on local MacOS - brew install mysql
• Start the mysql service - brew services start mysql
• Confirm service is running - brew services list
• Login to mysql and create database and tables - mysql -u root -p
• Use the table_schema.sql and execute the commands one by one

Starting the micro-services

• Open three different terminals and cd to respective micro service directory (assuming you have already cloned project locally)
• Run command - mvn clean install -DskipTests=true
• Finally, run the service - mvn spring-boot:run
• Access the services from browser -
  • user-service - http://localhost:8081/users/
  • product-service - http://localhost:8082/products/
  • order-service - http://localhost:8083/orders/

Testing the application

• Move to order-service folder
• Ensure the order-service is already running
• To run test, simply run command - mvn test
• You can switch to order-service terminal and see the order processing in action (console output)