Run KSQL by passing it into a generic docker container without needing a KSQL server or KSQL CLI
Build
mvn clean package
Start the Kafka broker (run ./down.sh purge
to purge any previous kafka broker state)
./up.sh
...wait and try to send data to topic 'x'
./create_topics.sh
Start a KSQL executor container to send the data from topic 'x' to topic 'y'
./launch.sh
Verify that some data was forwarded to topic 'z'
./consume.sh y