Add deployment docs

README.md

@@ -9,3 +9,25 @@ Installation
 1. `git clone https://github.com/initlab/fauna.git`
 2. Run `bin/setup` and follow the instructions.
 3. You can now run the rails server with `bin/rails s` and login.
+
+Deploying a New Version
+-----------------------
+
+The deployment is done using `capistrano`.
+
+Initial setup:
+
+```
+bundle config set --local path '.bundle'
+bundle install
+
+# add your public ssh key in [email protected]:./.ssh/authorized_keys
+```
+
+If you need to add/change secrets/config, do so in `~fauna/fauna/shared/config/*.yml` .
+
+Deploy using:
+
+```
+bundle exec cap fauna deploy
+```