Fix nginx caching #1012

install/ubuntu/16.04/templates/web/nginx/caching.sh

@@ -10,3 +10,4 @@ str="proxy_cache_path /var/cache/nginx/$domain levels=2"
 str="$str keys_zone=$domain:10m inactive=60m max_size=512m;"
 echo "$str" >> /etc/nginx/conf.d/01_caching_pool.conf
 
+sort -u /etc/nginx/conf.d/01_caching_pool.conf -o /etc/nginx/conf.d/01_caching_pool.conf