Setup environment:
cd env
docker-compose up
Create kafka topic:
kafka-topics --create --zookeeper localhost:2181 --replication-factor 1 --partitions 3 --topic first-topic
kafka-topics --create --zookeeper localhost:2181 --replication-factor 1 --partitions 3 --topic second-topic
kafka-topics --create --zookeeper localhost:2181 --replication-factor 1 --partitions 3 --topic third-topic