wat
https://github.com/docker/docker/commit/a27b4b8cb8e838d03a99...
Jan 18, 2013
https://github.com/cloudfoundry-incubator/garden/commit/9c79...
Dec 6, 2011
It is a minimal linux install intended for non-native hosts to run Docker containers, say on a Mac or in a VMware cluster. You could use it for production workloads, certainly, but it doesn't provide any of the management tools that CoreOS provides.
CoreOS appears to be aiming towards becoming a platform to build distributed systems on top of which happens to be container centric.
No, it isn't.
Containers (and app containers) are not competitors to, replacements for, or equivalent to traditional virt. While there's some overlap in cases where there's deployment from golden templates or glance images or AMIs or whatever just to get isolated apps, traditional virtualization and containers are complementary technologies.