Nice, thanks! That allows me to work around a 'blocker' [1] for me right now: I can write a normal Dockerfile, use this ready made tool to test/build the image

Nice, thanks! That allows me to work around a 'blocker' [1] for me right now: I can write a normal Dockerfile, use this ready made tool to test/build the image until my 'docker build' issue is resolved one way or another. Cool! 1: https://github.com/dotcloud/docker/issues/1916 https://github.com/dotcloud/docker/issues/1916