-while ! [[ $(docker-compose exec kafka zookeeper-shell zookeeper:2181 ls /brokers/ids 2> /dev/null) =~ 1001 ]];
-do
- echo "Waiting for kafka...";
- sleep 1;
-done
+docker-compose up -d peter franz
+echo "Waiting for the Kafka-Cluster to become ready..."
+docker-compose exec kafka cub kafka-ready -b kafka:9092 1 60 > /dev/null 2>&1 || exit 1