[p_ing]

If your VM is slower, why are you emulating?!

There is an 8...

8. Docker doesn't provide complete separation

And a 9...

9. Just use PaaS

[rad_gruchalski]

In author’s defence, I think you didn’t understand:

> If your VM is slower, why are you emulating?!

Which I think refers to this part of the article:

> They’re slower to set up, and start up a little slower too

[riidom]

And the part about the documentation is missing.