3 ms·But that's the good thing about them. It isn't just a VM snapshot it is a recipe to build an image.by tjoff 4y agoBut that's the good thing about them. It isn't just a VM snapshot it is a recipe to build an image.djbusby 4y agoPre container times there were recipes to build VMs including plain shell ( which can also be used to build containers). Docker, the FOSs tools and the hub are very nice packaging.tjoff 4y agoSure, but those were, and still are, a nightmare to use/learn for a lot of usecases.