Microservices

Tools Required

• SpringBoot - WebClient Spring framework
• Eureka - Service Registration and Discovery
• Swagger - API documentation
• Docker - Containerization
• Oauth2 KeyCloack - Authorization & IAM
• PostgreSQL, MongoDB - Database
• Resilienc4J - Circuitbreaker and Resiliency
• Sleuth & Zipkin - Distributed Tracing
• Kafka - Event-Driven Microservices Architecture
• Prometheus and Grafana - Monitoring
• AWS - Cloud

Build Tools

• Java 17 - Programming
• Maven - Build
• Git - Version control
• Docker - Deployment

Keynote

This application is built using Microservices architecture.

Rather than having a big monolithic application, application is broken down into smaller, independently running microservices.

List of microservices :

Microservice	Language
SalonServices Service	Java
Roster Service	Java
Appointment Service	Java

Solution Architecture

AWS Architecture

Output

1. Implementation of Oauth2

   

2. Distributed Tracing

   

3. Circuit breaker pattern with Resilienc4J

   

   Retry mechanism - After every 5 sec – 1 retry out of 3 total retries

   

4. Containerization of services

   1. Add Jib Plugin to pom.xml

   2. Build and Push the Image:

   Run the following Maven command to build and push the container image to the specified Docker registry :

mvn clean compile jib:build

docker compose up -d

6. Service discovery and registration using Eureka Server