springboot-kafka-connect-debezium-ksqldb

Experiment with Kafka, Debezium, and ksqlDB. research-service: Performs MySQL record manipulation. Source Connectors: Monitor MySQL changes, push messages to Kafka. Sink Connectors and kafka-research-consumer: Listen to Kafka, insert/update Elasticsearch. ksqlDB-Server: Listens to Kafka, performs joins, and pushes new messages to new Kafka topics. Maintained by ivangfr on GitHub, where it has earned 84 stars from the community.

It's actively developed around spring-boot, kafka, debezium, and is a solid reference for anyone building with these tools.