Yes it is just used as an easier to setup manage and dispose of chroot. Which I believe is also a perfect use of docker. It is not all about isolation, sometime

Yes it is just used as an easier to setup manage and dispose of chroot. Which I believe is also a perfect use of docker. It is not all about isolation, sometimes you just want to be able to experiment and go back easily. Sure there are filesystems that allow you to take snapshots but not everybody use these for various reasons.