Yes, version 2018.1 which is released on Friday (30th March) will be "Dockerized" all the way. You can now run each server (Management, Analytics, Portal and DataPower/Gateway) in their own containers.
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Anders Wasén, Sr. Solutions Architect
(a.k.a. "Offline" in DeveloperWorks)
IBM Champion, IBM DataPower Gateways, IBM Transformation Extender