kafka-topics --zookeeper zookeeper:2181 --if-not-exists --create --replication-factor 1 --partitions 5 --topic orders
kafka-topics --zookeeper zookeeper:2181 --if-not-exists --create --replication-factor 1 --partitions 5 --topic validation
kafka-topics --zookeeper zookeeper:2181 --if-not-exists --create --replication-factor 1 --partitions 5 --topic orders
kafka-topics --zookeeper zookeeper:2181 --if-not-exists --create --replication-factor 1 --partitions 5 --topic validation