Kafka Streams Hello World Application

by Yetkin Timocin

Running Locally

1. docker-compose up to get Kafka and Zookeeper up and running.
2. Run KafkaStreamsHelloWorld class to see the output of the Stream Processor when producer sends some data to the topic.
3. In another terminal, SSH into the container docker-compose exec kafka bash
4. Stand up a producer and enter some data:

kafka-console-producer \
     --bootstrap-server localhost:9092 \
     --topic hello-world

5. See the output of KafkaStreamsHelloWorld

References

Mastering Kafka Streams and ksqlDB Book