sbt/sbt-native-packager — pull request #251 by garycoady (2014-05-15 15:05:10+00:00)
Title: Do not try to setup missing deployment settings for Docker.

Docker has no tasks for packageBin/etc. It should not be mentioned
in the deploymentSettings definition. Otherwise, adding
deploymentSettings to your build results in:
Reference to undefined setting:

docker:packageBin from docker:$local (build.sbt:3)