anchor.diff:  
   <% end %>
       location @voice {
  +      proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header  X-Forwarded-Proto https;
  +      proxy_set_header  X-Real-IP $remote_addr;
         proxy_set_header  X-Url-Scheme $scheme;
         proxy_set_header  Host $http_host;
         proxy_pass        http://puma;
  
positive.code:   include       mime.types;
    default_type  application/octet-stream;
    server_tokens off;
  
    log_format main '$http_x_forwarded_for - $remote_user [$time_local] '
                    '"$request" $status $body_bytes_sent '
                    '"$http_referer" "$http_user_agent"';
  
    keepalive_timeout       10m;
    sendfile                on;
  
negative.code:     ssl_certificate_key server.key;
      ssl_certificate server.crt;
  
      access_log logs/nginx.log combined;
  
      root <%= node[:voice_rails][:basedir] %>/public;
      set_from_accept_language $lang en de;
  