Add note about networking with link to article
@@ -12,6 +12,10 @@ These images are not tested on Docker for Mac or Docker for Windows. These image
* [Hostname Issue](https://forums.docker.com/t/docker-for-mac-does-not-add-docker-hostname-to-etc-hosts/8620/4)
* Host networking on Docker for Mac: [link 1](https://forums.docker.com/t/should-docker-run-net-host-work/14215), [link 2](https://forums.docker.com/t/net-host-does-not-work/17378/7), [link 3](https://forums.docker.com/t/explain-networking-known-limitations-explain-host/15205/4)
+# Networking and Kafka on Docker
+
+When running Kafka under Docker, you need to pay careful attention to your configuration of hosts and ports to enable components both internal and external to the docker network to communicate. You can see more details in [this article](https://rmoff.net/2018/08/02/kafka-listeners-explained/).
+
# Contribute
Start by reading our guidelines on contributing to this project found [here](http://docs.confluent.io/current/cp-docker-images/docs/contributing.html).
