-docker-compose exec -T cli bash << 'EOF'
-echo "Altering number of partitions from 3 to 7..."
-# tag::altertopic[]
-kafka-topics --bootstrap-server kafka:9092 --alter --topic test --partitions 7
-kafka-topics --bootstrap-server kafka:9092 --describe --topic test
-# end::altertopic[]
-EOF
-
-docker-compose restart producer
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-sleep 1
-http -v :8081/seen
-docker-compose stop producer consumer