Document configuring the app from the commandline.

Signed-off-by: Jonathan Sambrook <jonathan.sambrook@codethink.co.uk>

docs/install.md

@@ -119,7 +119,12 @@ Afterward, configure one VirtualHost properly to proxy the traffic. For security
 			
 After configuring these do restart your apache using /etc/init.d/apache2 restart.
 
-## Configure the app in Nextcloud
+## Configure the app
+
+You can configure the app either from within Nextcloud itself, or from the
+commandline. The latter facilitates automated setup, e.g. via Ansible.
+
+### Configure the app in Nextcloud
 
 Go to the Apps section and choose "Office & text"
 Install the "Collabora Online app"
@@ -127,6 +132,16 @@ Admin -> Collabora Online -> Specify the server you have setup before (e.g. "htt
 
 Congratulations, your Nextcloud has Collabora Online Office integrated!
 
+### Configure the app from the commandline
+
+From a shell running in the Nextcloud root directory, run the following `occ`
+commands, substituting the server url you've setup (e.g. "https://office.nextcloud.com"):
+
+	./occ config:app:set --value ${SERVER_URL} richdocuments wopi_url
+	./occ richdocuments:activate-config
+
+Congratulations, your Nextcloud has Collabora Online Office integrated!
+
 ## Updating the docker image
 
 Occasionally, new versions of this docker image are released with security and feature updates. We will of course let you know when that happens! This is how you upgrade to a new version: