This is a Spring Boot application that leverages several powerful technologies to provide a robust microservices architecture. The stack includes:

• Spring Framework
• Spring Gateway
• Hibernate/JPA with MySQL
• Netflix OpenFeign (include automatic load balancing)
• Eureka Discovery Server

• Microservices Architecture: Decoupled services that can be independently developed, deployed, and scaled.
• Service Discovery: Eureka server for automatic registration and discovery of services.
• Load Balancing: Ribbon for client-side load balancing.
• Declarative REST Clients: OpenFeign for making REST calls to other services.
• API Gateway: Spring Gateway for routing and filtering requests.
• Persistence: Hibernate/JPA for ORM and MySQL as the database.

• Java 21
• Maven 3.6.0
• MySQL 8.0 or

git clone https://github.com/MovinduLochana/JavaSpringQuizApp.git
cd JavaSpringQuizApp

spring.datasource.url=jdbc:mysql://localhost:3306/your-database
spring.datasource.username=your-username
spring.datasource.password=your-password
spring.jpa.hibernate.ddl-auto=update

eureka.client.serviceUrl.defaultZone=http://localhost:8761/eureka/
eureka.client.registerWithEureka=true
eureka.client.fetchRegistry=true

spring.cloud.gateway.discovery.locator.enabled=true
spring.cloud.gateway.discovery.locator.lower-case-service-id=true

• Running API-Gateway and Discovery server first is recommended
• You can run the application either via a IDE or using Maven wrapper to make a jar file for each service
• You can change server port number in properties file

server.port=<PORT>

• Or configure VM Options and run multiple instances of a service

-Dserver.port=8082

• Use maven wrapper to build the application
• Go inside a service and run maven builder

cd <service>
mvn spring-boot:run

• Do this for all services and you'll get final jars for Run

• Configure VM options after build

java -jar -Dserver.port=8082 event-service.jar //