Simplified & improved apache proxy config

Previously there was an unnecessary redirect before & after sign-in to http.  This new configuration eliminates that leak, and is easier to read.

web-server/apache/gitlab-ssl.conf

@@ -4,8 +4,10 @@
 #  mod_rewrite
 #  mod_ssl
 #  mod_proxy
-#  mod_proxy_balancer
 #  mod_proxy_http
+
+# This section is only needed if you want to redirect http traffic to https.
+# You can live without it but clients will have to type in https:// to reach gitlab.
 <VirtualHost *:80>
   ServerName gitlab.example.com
   ServerSignature Off
@@ -14,6 +16,7 @@
   RewriteCond %{HTTPS} !=on
   RewriteRule ^(.*) https://%{SERVER_NAME}$1 [R,L]
 </VirtualHost>
+
 <VirtualHost *:443>
   SSLEngine on
   #strong encryption ciphers only
@@ -26,22 +29,12 @@
   ServerName gitlab.example.com
   ServerSignature Off
 
-  #apache equivalent of nginx try files
-  # http://serverfault.com/questions/290784/what-is-apaches-equivalent-of-nginxs-try-files
-  # http://stackoverflow.com/questions/10954516/apache2-proxypass-for-rails-app-gitlab
+  ProxyPreserveHost On
+  ProxyPassReverse / http://gitlab.example.com/
+
   RewriteEngine on
   RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_FILENAME} !-f
-  RewriteRule ^/(.*)$ balancer://unicornservers%{REQUEST_URI} [P,QSA,L]
-
-  ProxyPreserveHost On
-  ProxyPass /uploads !
-  ProxyPass /error !
-
-  <Proxy balancer://unicornservers>
-    BalancerMember http://127.0.0.1:8080
-    ProxyPassReverse http://127.0.0.1:8080
-    ProxyPassReverse http://gitlab.example.com:8080
-  </Proxy>
+  RewriteRule ^/(.*)$ http://127.0.0.1:9292%{REQUEST_URI} [P,QSA]
 
   # needed for downloading attachments
   DocumentRoot /home/git/gitlab/public