spring-boot-kafka References https://www.youtube.com/watch?v=8DU7IC4AXPY https://www.youtube.com/watch?v=0nTD8pu0fkY https://www.youtube.com/watch?v=dXJEzisrFZo https://www.youtube.com/watch?v=eo8pSWpj2os https://developer.confluent.io/