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E-Bazaar

E-Bazaar is an e-commerce backend developed with a microservice architecture. It provides features for storing information about various products, their availability, and placing order and sending notification for the same.

Here are some of the benefits of using a microservice architecture for e-commerce backends:

  • Scalability: Microservices can be scaled independently, which makes it easy to add new features or handle increased traffic.
  • Flexibility: Microservices can be developed and deployed independently, which gives you more flexibility in how you build and manage your e- commerce backend.
  • Resilience: Microservices are less likely to be affected by failures than monolithic applications. This is because each microservice is responsible for a small part of the overall application.

Microservices present in this project -

  • Product Service - for storing product details.
  • Inventory Service - for storing product availability.
  • Order Service - for placing orders, it connects to inventory for checking availability and notification service for sending notifications.
  • Notification Service - for sending notifications

Screenshot (60)

This project makes use of the following patterns -

  • Service discorvery (Netflix Eureka)
  • Circuit Breaker (Resilience4J)
  • Distributed tracing (Zipkin, Sleuth)
  • API Gateway (Spring cloud gateway)
  • Database per Service (MongoDB, MySQL)
  • Event-Driven Architecture (Apache Kafka)

Setup

Database Setup:

  • Install MySQL and setup the port, user and password.

  • Inside application.properties in product-service, change the database credentials

  • Install MongoDB

  • Inside application.properties in order-service and inventory-service, change the database credentials

KeyClock Setup:

  • Go to terminal and run this command: docker run -p 8080:8080 -e KEYCLOAK_ADMIN=admin -e KEYCLOAK_ADMIN_PASSWORD=admin quay.io/keycloak/keycloak:21.1.1 start-dev

  • Go to url - http://localhost:8080 and go to realm settings

  • Click on action -> Partial import

  • Select the file - realm/realm-export and check all

  • Click on import

Kafka Setup

  • Go to the terminal --> move into the project
  • Execute the command : docker compose up -d

Services -Run the services like usual spring boot project