Redirects naked domain to www

Properly behaving websites should 301 redirect the naked domain.

roles/blog/templates/etc_apache2_sites-available_blog.j2

@@ -2,7 +2,7 @@
     ServerName {{ domain }}
     ServerAlias www.{{ domain }}
 
-    Redirect permanent / https://{{ domain }}/
+    Redirect permanent / https://www.{{ domain }}/
 </VirtualHost>
 
 
@@ -24,4 +24,8 @@
     Options                 -Indexes
 
     HostnameLookups         Off
+
+    RewriteEngine on
+    RewriteCond %{HTTP_HOST} !^www\. [NC]
+    RewriteRule ^ https://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
 </VirtualHost>