Steps to take:
confluent login --prompt --save
# Create cluster:
confluent kafka cluster create quickstart --cloud <provider> --region <region>
# list clusters
confluent kafka cluster list
# Create topic
confluent kafka topic create quickstart --partitions 1
# Create and use an api key
confluent kafka topic create quickstart --partitions 1
confluent api-key use <API key> --resource <cluster ID>
# Produce to topic: NOTE the tutorial example does not work, have to specify the auth info explictly:
confluent kafka topic produce quickstart --api-key APIKEY --api-secret APISECRET
# Consume:
confluent kafka topic consume quickstart --from-beginning