But that's not quite true is it? You would still have to open up ports on your host, configure security, and somehow do the meta-config for the dockerfile to ma

But that's not quite true is it? You would still have to open up ports on your host, configure security, and somehow do the meta-config for the dockerfile to make sure that if the host goes down, `docker run wordpress` is called on startup right? I really want to get excited about docker, but I guess I just don't understand it. Any links to more specific use cases?