module-nginx/templates/vhost/vhost_location_proxy.erb

  location <%= location %> {
<% if @location_cfg_prepend -%><% location_cfg_prepend.each do |key,value| -%>
    <%= key %> <%= value %>;
<% end -%><% end -%>
<% if proxy_cache -%>
    proxy_cache         <%= proxy_cache %>;
    proxy_cache_valid   <%= proxy_cache_valid %>;
<% end -%>
    proxy_pass          <%= proxy %>;
    proxy_read_timeout  <%= proxy_read_timeout %>;
<% if @location_cfg_append -%><% location_cfg_append.each do |key,value| -%>
    <%= key %> <%= value %>;
<% end -%><% end -%>
  }