Improve GitLab vhost config

templates/default-ssl

@@ -19,6 +19,10 @@
 
   ProxyPreserveHost On
 
+  <Proxy *>
+    Require all granted
+  </Proxy>
+
   # Ensure that encoded slashes are not decoded but left in their encoded state.
   # http://doc.gitlab.com/ce/api/projects.html#get-single-project
   AllowEncodedSlashes NoDecode
@@ -56,6 +60,8 @@
   RewriteRule .* http://127.0.0.1:8181%{REQUEST_URI} [P,QSA]
 
   RequestHeader set X_FORWARDED_PROTO 'https'
+  RequestHeader set X-FORWARDED-PROTO 'https'
+  RequestHeader set X_FORWARDED_SSL on
   RequestHeader set X-Forwarded-Ssl on
 
   # needed for downloading attachments