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https://github.com/drissiomar98/e-commerce-microservices-app

a microservice-based e-commerce application built using Spring Boot, integrating various microservices to handle specific functionalities of an e-commerce platform.
https://github.com/drissiomar98/e-commerce-microservices-app

angular kafka keycloak microservices oauth2 openid-connect postgresql spring-boot springcloud

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a microservice-based e-commerce application built using Spring Boot, integrating various microservices to handle specific functionalities of an e-commerce platform.

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# 🛒 E-Commerce Microservice Application

This project demonstrates a microservice-based e-commerce application built using **Spring Boot**, integrating various microservices to handle specific functionalities of an e-commerce platform. It features a scalable and resilient architecture with tools for service discovery, API gateway, distributed tracing, message-driven communication, and security.



## 📑 Table of Contents

- [🛠 Project Overview](#-project-overview)

- [🏗️ Microservices Architecture](#-microservices-architecture)

- [✨ Features](#-features)

- [🛠 Technologies](#-technologies)



## 🛠 Project Overview

The project consists of multiple microservices, each handling a distinct part of the e-commerce platform. The architecture is designed to be flexible and easily scalable using **Docker** and **Docker Compose**. The application is secured with **Keycloak**, and **Kafka** is used for asynchronous communication. The setup includes service discovery with **Eureka**, API gateway for routing, and distributed tracing with **Zipkin**.



## 🏗️ Microservices Architecture

Here is an overview of the main microservices in this project:



- **🔧 Config Server**: Centralized external configuration for other microservices.

- **🔍 Discovery Server (Eureka)**: Service registry for discovering services at runtime.

- **🚪 API Gateway**: A single entry point into the system, routing requests to the appropriate services.

- **👤 Customer Server**: Manages customer-related operations.

- **📩 Notification Server**: Sends notifications (e.g., email, SMS) to users based on actions like order creation.

- **📦 Order Server**: Handles order creation, management, and tracking.

- **💳 Payment Server**: Manages payment transactions for orders.

- **🛍️ Product Server**: Handles product catalog, search, and inventory management.

- **🛒 Cart Service**: Manages shopping cart operations, such as adding, updating, and removing items.

- **💬 Feedback Service**: Allows users to post reviews and ratings for purchased products.

- **❤️ Favorite Service**:  Enables users to mark products as favorites for future reference.



## ✨ Features

- **🧭 Service Discovery**: Using Eureka to register and discover microservices dynamically.

- **🚪 API Gateway**: Central routing of requests through Spring Cloud Gateway.

- **📡 Asynchronous Communication**: Implemented with Kafka for event-driven messaging between services.

- **🔗 Synchronous Communication**: Using OpenFeign and RestTemplate for inter-service communication.

- **🔍 Distributed Tracing**: Zipkin integration for monitoring and tracing requests across services.

- **🔐 Security**: Keycloak integration for authentication and authorization of microservices.

- **⚙️ Infrastructure Setup**: Using Docker and Docker Compose for easy setup and running of the application.



## 🛠 Technologies

This project uses the following technologies:



- **Spring Boot**

  - Spring Cloud Config

  - Spring Cloud Netflix Eureka

  - Spring Cloud Gateway

  - Spring Cloud OpenFeign

  - Spring Actuator

  - Spring Data JPA

  - Spring Kafka

- **Kafka**: For asynchronous communication between microservices.

- **Docker & Docker Compose**: For containerization and infrastructure setup.

- **Keycloak**: For securing the microservices with OAuth2 and OpenID Connect.

- **Zipkin**: For distributed tracing of requests across microservices.