Yep I'm just a fan and minor contributor to Docker. Thought it was interesting to see a book so early but I do agree it's probably too early. Docker is changing fast. Version 0.5 should likely be out today.
Great initiative! I'm a big fan of starting with books when I'm learning something new as they usually have a better narrative and deeper explanation than the docs and 'getting started' guides do. Maybe this could be written using github with pull requests and stuff when things change? Open sourced books rocks. ;)
It is on github, and pull requests are welcome. It is currently written for Docker 0.5. I will keep it up to date, and when we hit 1.0 I'll look at getting some hard copies made, if there is a demand.
I still need to pick a license, not sure what is best for a book, open to suggestions.
I was disappointed when I clicked through to OP's submission. As with the Flynn post yesterday, I'm glad to see at least he's not the only game in town. Unfortunately I am not able to reach github right now. The isup.me site says I'm alone in that. Does anyone else have this problem now?