Technology : Spring boot, JPA, Spring Security, Spring Cloud, JWT, H2Database, Docker ● Implemented as a Microservice Architecture (7 microservices). ● JsonWebToken authentication using Spring Security through ApiGateway microservice. ● Configured Feign Client for API calls. ● Implemented Fault Tolerance using Resilience4J (Retry and Fallback Methods). ● Containerised microservices using Docker, pushed to docker registry (hub.docker.com) and created docker-compose.yaml file to execute. ● Implemented Distributed Tracing with Zipkin and RabbitMQ.

Technology : Spring boot, JPA, Spring Security, Angular, H2Database ● Developed as an independent frontend (Angular) and backend (Spring Boot) applications. ● Interaction through REST API calls. ● Implemented User authentication using Spring Security with Basic Authentication Header. ● Developed Http Interceptor to intercept and attach authentication header with each request. ● Implemented direct user authentication from the database with UserDetailsService and AuthenticationManager.