If you’ve used Spring Boot REST APIs but haven’t explored Spring Integration yet, this project is a practical way to see what message-driven flow design looks like in real code. I built a sample app that processes orders from two different entry points: HTTP API ( POST /api/orders ) File polling (drop CSV files into input/ ) Both inputs share the same core processing logic. 👉 Source code: https://github.com/ykpraveen/spring-integration-sample What th...