⭐ Rating Service

Rating Service is a microservice responsible for managing and handling user ratings for hotels within the distributed microservices architecture.

This service is part of a larger system consisting of:

• User Service
• Hotel Service
• API Gateway
• Config Server
• Eureka Server

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🚀 Tech Stack

• Java 17
• Spring Boot
• Spring Data JPA
• MySQL
• Spring Cloud (Eureka Client)
• RESTful APIs
• Maven

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📌 Features

• Create Rating
• Get Ratings by User ID
• Get Ratings by Hotel ID
• Microservice Communication
• Service Discovery via Eureka
• Centralized Configuration Support

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🏗️ Architecture

This service follows a microservices architecture pattern:

• Registers with Eureka Server
• Communicates via REST APIs
• Externalized configuration using Config Server
• Database persistence using MySQL

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📂 API Endpoints

➤ Create Rating

POST /ratings

➤ Get Ratings by User

GET /ratings/users/{userId}

➤ Get Ratings by Hotel

GET /ratings/hotels/{hotelId}

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⚙️ Configuration

Example application.yml configuration:

server:
  port: 7051

spring:
  datasource:
    url: jdbc:mysql://localhost:3306/microservices
    username: root
    password: your_password

  jpa:
    hibernate:
      ddl-auto: update
    show-sql: true

eureka:
  client:
    service-url:
      defaultZone: http://localhost:8761/eureka


🐳 Docker Support
To build Docker image:
docker build -t rating-service .

Run container:
docker run -p 7051:7051 rating-service

🔗 Service Registration

After startup, verify service registration:
http://localhost:8761


🧪 Running the Application

mvn clean install
mvn spring-boot:run


📖 Future Enhancements

Resilience4j integration
Logging & Monitoring
API Documentation with Swagger
Unit & Integration Testing
CI/CD Pipeline


👨‍💻 Author
Developed as part of a Microservices learning project --- [NikStack20]