You can stop the Docker PoC setup by entering the following command to delete all containers and the data.

sudo ./bin/stop.sh 
Tue Dec 28 02:02:43 MST 2021 : Starting stop scripts
Removing service pingidentity_abs
Removing service pingidentity_apipublish
Removing service pingidentity_ase
Removing service pingidentity_client
Removing service pingidentity_dashboard
Removing service pingidentity_kafka
Removing service pingidentity_mongo
Removing service pingidentity_server
Removing service pingidentity_zookeeper
Removing config pingidentity_webgui_sso_oidc_provider_crt
Removing network pingidentity_net