Part $1$: Secure API Gateway Objective: Secure the API communication and centralize entry points through an API Gateway. $$ Setup Spring Cloud Gateway as the entry point to route requests to your microservices. $$ Integrate Keycloak to manage authentication: o Configure the API Gateway to use Keycloak for securing all microservices. o Ensure that only authenticated users can access specific services $($e$.$g$.,$ Booking and Approval services$).$ o Role$-$based access should be enforced through Keycloak $$ Research & Implement $$ Only staff can access ApprovalService.