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
-docker-compose up -d take-order validate-order validation-results details
+docker-compose up -d take-order validate-order validate-user validation-results details
kafka-avro-console-consumer --bootstrap-server kafka:9092 --topic orders &
kafka-avro-console-consumer --bootstrap-server kafka:9092 --topic validation &