EDIT: You can run /sbin/init as the command for the Docker instance. This will start a container that doesn't die. It's "inelegant" in that it's still a comman

EDIT: You can run /sbin/init as the command for the Docker instance. This will start a container that doesn't die. It's "inelegant" in that it's still a command that never ends. But that's how all Unix systems work anyway :)