At Argus, we strive to deploy all our data pipeline services as Docker containers managed by Kubernetes. This usually makes our lives much easier, and our products much more maintainable. But recently we had to dig deep into Kubernetes and Kafka – for a special use case where we wanted to expose Kafka outside the Kubernetes cluster – in order to communicate with other machines.

https://argus-sec.com/external-communication-with-apache-kafka-deployed-in-kubernetes-cluster/