The following links will give you more information:
- Apache Kafka: https://kafka.apache.org/
- Apache Avro: https://avro.apache.org/
- Avro Specs: https://avro.apache.org/docs/current/spec.html
- Spring Cloud Stream: https://cloud.spring.io/spring-cloud-stream/