module-nginx/templates/vhost/vhost_location_alias.erb

  location <%= @location %> {
<% if @location_cfg_prepend -%><% @location_cfg_prepend.sort_by {|k,v| k}.each do |key,value| -%>
    <%= key %> <%= value %>;
<% end -%><% end -%>
    alias      <%= @location_alias %>;
<% if @location_cfg_append -%><% @location_cfg_append.sort_by {|k,v| k}.each do |key,value| -%>
    <%= key %> <%= value %>;
<% end -%><% end -%>
  }