I’m using docker v1.13 to build a Kafka cluster. The application is not important. I think I have hit a dead-end where I need the hostname or IP address of the Docker host server so that I can use it in the container, in a multi-host swarm mode. Is there any way for the node in a docker service or…

The container could not know its’ host’s ip in the swarm mode. The only way that container could know the host’s ip is using the “host” network mode. While, Swarm requires the service to use the overlay network. To setup the Kafka cluster, you would need the similar steps with setting up ZooKeeper …

Hostname/IP of Docker Host server in Swarm mode

Docker Engine Swarm

lowyard (Lowyard) August 25, 2017, 8:19am 2

docker run … -e “HOST_SERVER_HOSTNAME=$HOSTNAME” -e “HOST_SERVER_IP=$(hostname --all-ip-address)” …

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Hostname/IP of Docker Host server in Swarm mode

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