[GTALUG] Sovereign - An Ansible playbook to build/maintain your own "Cloud"

I was talking with someone on Tuesday about a good Ansible playbook called Sovereign that sets up Email, XMPP, Cal/CardDav, VPN, etc. Here's the link: <https://github.com/sovereign/sovereign/>. It's really good if you want to see how to setup an Ansible playbook and don't know where to start (Ansible's documentation is very overwhelming).