Add notes about server

README.md

@@ -48,6 +48,27 @@ $ make dev-serve
 
 ### Deploy the site
 
+You can add the following to your SSH configuration:
+
+```
+Host voicegardens.org
+  Hostname voicegardens.org
+  User voicegardens
+  Port 12345
+  IdentityFile ~/.ssh/my-ssh-secret-key-file
+```
+
+(Where you should replace "my-ssh-secret-key-file" with the real filename.)
+
+Make sure you can SSH into the server.
+
+```bash
+$ ssh voicegardens.org
+$ sudo -i  # you have root access too
+```
+
+Then it's possible to deploy the site with the following targets.
+
 ```bash
 $ make test-deploy  # https://doesitsparkjoy.voicegardens.org
 $ make prod-deploy  # https://voicegardens.org