Add Deployment-Demo

Deployment-Demo.-.md

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+# Deployment Demo
+
+A source repository is maintained as a demo for the Rattail [deployment framework](Deployment).  Its goals are to:
+
+ * Illustrate some of the key concepts of the framework.
+ * Provide a convenient way to try out an actual working example.
+ * Provide a starting point for creating new server bundle projects.
+
+## Virtual Environment
+
+You must first set up your [control environment](Deployment-ControlEnvironment.-).  Assuming Python/pip/virtualenv are present, create (and activate) a new virtual environment:
+
+```sh
+cd /srv/envs
+virtualenv fabdemo
+source fabdemo/bin/activate
+```
+
+## Source Code
+
+Fetch the demo code with:
+
+```sh
+cd ~/src
+git clone https://rattailproject.org/git/rattail-fabdemo.git
+```
+
+With your virtual environment activated then, install the package:
+
+```sh
+cd ~/src/rattail-fabdemo
+pip install -e .
+```
+
+## Server Bundle Prep
+
+See [Server Bundle Prep](Deployment-ServerBundlePrep.-) for general instructions, but in the case of the demo, there is technically none required at all.  This is a convenience; bundles normally always require some prep.
+
+## Server Machine Prep
+
+As with any bundle, you have two main (documented) options for the target server.  You can either target a conventional (physical) machine, in which case see [Server Machine Prep](Deployment-ServerMachinePrep.-), or you can target a virtual machine, in which case see [Testing with Vagrant](Deployment-VagrantTesting.-).
+
+## Bootstrapping the Server
+
+With your virtual environment activated, bootstrap the 'host' server with (paraphrasing here, `fab` options will depend on your connection needs):
+
+```sh
+cd ~/src/rattail-fabdemo/servers/host
+fab -H target bootstrap_all
+```
+
+Upon completion, there should be a Tailbone web app running on the server, e.g. at http://target/.  If you used Vagrant then you should be able to browse this site at http://localhost:9080/.