After Hello World
no running containers, but there is one on the disk:
$ docker ps -as CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES SIZE f6239f10a6ad hello-world "/hello" 8 seconds ago Exited (0) 7 seconds ago lucid_snyder 0 B (virtual 1.84 kB)
There is also an image
$ docker images REPOSITORY TAG IMAGE ID CREATED SIZE hello-world latest 48b5124b2768 6 weeks ago 1.84 kB