clean_up_serverless_demo.sh

# delete applicatiom, cluster, and ec2 client
aws kafka delete-cluster --cluster-arn <your_msk_serverless_cluster_arn>
aws emr-serverless delete-application --application-id <your_application_id>
aws ec2 terminate-instances --instance-ids <your_ec2_instance_id>

# all objects (including all object versions and delete markers) in the bucket 
# must be deleted before the bucket itself can be deleted.
aws s3api delete-bucket --bucket <your_s3_bucket>