The value of Docker is not packaging per se. It's like a linux installer: yeah it's great that they come bundled ina neat ISO image that you can burn/copy/run i

The value of Docker is not packaging per se. It's like a linux installer: yeah it's great that they come bundled ina neat ISO image that you can burn/copy/run in place, but that's not it's value proposition. It's value proposition is that you have a self-contained software packages that can be executed at will free from side-effects.