Describe dockerGroupLayers and how to disable it (#1369)
Describe dockerGroupLayers and how to disable it (#1369)

Fixes #1341 

Since 1.7.1 dockerLayerGrouping is deprecated. 

Rename the setting, and add the correct 'disable' statement.
kardapoltsev/sbt-native-packager,kardapoltsev/sbt-native-packager,sbt/sbt-native-packager,sbt/sbt-native-packager,sbt/sbt-native-packager,kardapoltsev/sbt-native-packager,sbt/sbt-native-packager,kardapoltsev/sbt-native-packager,sbt/sbt-native-packager,kardapoltsev/sbt-native-packager,kardapoltsev/sbt-native-packager,kardapoltsev/sbt-native-packager,sbt/sbt-native-packager