> Docker container-images are really not that hard to build "manually", without using Docker. I've sometimes described docker images as a collection of tarball

> Docker container-images are really not that hard to build "manually", without using Docker. I've sometimes described docker images as a collection of tarballs stickytaped together with a JSON manifest. I understand that the format is simple, but I don't want to write such a tool. I want such a tool to exist and be in wide usage, so I have assurance that it will keep up with changes, receive security scrutiny and receive improvements in features and performance. This is a question of economics. I can write software to do anything software can do. Whether that makes sense is different. Until it has not made sense for me or many others. Given Google's clear interest in prying apart the tangle and willingness to assign fulltime engineering to it, there is a chance that we can all get out of the quagmire.