Updating mod_rewrite expression for SERVER_NAME

Also changed the ca.crt example name to be more intuitive.

web-server/apache/gitlab.conf

@@ -8,10 +8,11 @@
 #  mod_proxy_http
 <VirtualHost *:80>
   ServerName gitlab.example.com
+  ServerSignature Off
 
   RewriteEngine on
   RewriteCond %{HTTPS} !=on
-  RewriteRule ^(.*) https://gitlab.example.com$1 [R,L]
+  RewriteRule ^(.*) https://%{SERVER_NAME}$1 [R,L]
 </VirtualHost>
 <VirtualHost *:443>
   SSLEngine on
@@ -20,7 +21,7 @@
   SSLCertificateKeyFile /etc/httpd/ssl.key/gitlab.example.com.key
   SSLCACertificateFile  /etc/httpd/ssl.crt/incommon-ca.crt
 
-  ServerName gitlab.example.com  
+  ServerName gitlab.example.com
   ServerSignature Off
 
   #apache equivalent of nginx try files
@@ -41,7 +42,7 @@
   </Proxy>
 
   # needed for downloading attachments
-  DocumentRoot /app/gitlab/gitlab/public
+  DocumentRoot /home/git/gitlab/public
 
   <Location />
     Order deny,allow