Hi, I tried our Android Build Container with Android apps written in different JVM languages. Out of the box this Kotlin based app was working: https://github.com/matzew/NotesKotlin yay! After installing Ceylon-SDK to our Docker-formatted container image: https://github.com/matzew/digger-build-containers/tree/Ceylon I was able to build another Android App, written in Ceylon: https://github.com/matzew/TimesLon/tree/Error-Fix Have fun! -Matthias -- Matthias Wessendorf blog: http://matthiaswessendorf.wordpress.com/ twitter: http://twitter.com/mwessendorf