Zenoss 4.2.5 on Ubuntu 14.04 base image in a Docker Container without SQL integration.
This Dockerfile can only be build with these prerequisites, so you'll need a Docker host.
docker network create zenoss
docker run -d -h zenoss4-mysql --name zenoss4-mysql \
--network zenoss --network-alias zenoss4-mysql \
-e MYSQL_ROOT_PASSWORD=zenoss mysql:5.5.62
docker build --network zenoss -t "test/zenoss4.2.5-withoutsql:1.0" \
https://raw.githubusercontent.com/stdnwbeheer/zenoss4.2.5-withoutSQL/master/Dockerfile