Microservices Architecture Project

This project demonstrates a modern microservices architecture where each service is responsible for a specific domain. The application includes various services such as an API Gateway, Product Service, Order Service, Inventory Service, Notification Service, and a React-based client application. The project also utilizes Docker, Keycloak for authentication, and several other tools for monitoring, messaging, and database management.

Project Overview

This project follows a microservices architecture where each service is independently deployable and can communicate with others. The main components of the application are:

• API Gateway: Acts as the entry point for all client requests and routes them to the appropriate microservices.
• Product Service: Manages product-related data.
• Order Service: Handles customer orders and integrates with the Notification Service for sending alerts.
• Inventory Service: Tracks product availability and stock levels.
• Notification Service: Sends notifications to customers, triggered by events from the Order Service.
• Client App: A React-based frontend application that interacts with the microservices via the API Gateway.

Architecture

The architecture is designed using the microservices pattern, with each service being independently deployable and responsible for a single domain.

Tech Stack

• API Gateway: Acts as the central point of entry for all client requests.
• Product Service: Handles product-related operations.
• Order Service: Manages customer orders.
• Inventory Service: Manages product inventory.
• Notification Service: Sends notifications to users.
• React (Client): The frontend application built with React.js.
• Docker: Containerization of services for easy deployment.
• Keycloak: Authentication and authorization for the services.
• Grafana: For visualizing metrics and logs.
• Prometheus: Used to collect metrics from microservices for monitoring.
• Loki: A log aggregation system for logging and monitoring.
• Testcontainers: For spinning up test containers in integration testing.
• Kafka: Messaging broker for asynchronous communication between services.
• MySQL: Relational database for storing product and order information.
• MongoDB: NoSQL database for storing inventory data.
• Mailtrap: Used for testing email notifications during development.
• Swagger: API documentation and testing interface.