Allow setting proxy-initial-not-pooled for proxy
diff --git a/apache/files/proxy.conf b/apache/files/proxy.conf
index bf93957..5b0e1db 100644
--- a/apache/files/proxy.conf
+++ b/apache/files/proxy.conf
@@ -9,6 +9,10 @@
   {%- endif %}
   ServerSignature Off
   DocumentRoot /var/www
+
+  {%- if site.proxy.get('initial_pooled', True) == False %}
+  SetEnv proxy-initial-not-pooled 1
+  {%- endif %}
   ProxyPass / {{ site.proxy.protocol }}://{{ site.proxy.host }}:{{ site.proxy.port }}/
   {%- if site.get('ssl', {'enabled': False}).get('enabled', False) %}
   RequestHeader set X-Forwarded-Proto "https"