diff --git a/default.conf b/default.conf
index eaef87a..e920abf 100644
--- a/default.conf
+++ b/default.conf
@@ -666,30 +666,34 @@ server {
 	location / {
 		
 			
+			 add_header Access-Control-Allow-Origin $http_origin always; 
 		if ($host = squiz.pena.digital) {
+      set $backend "squiz";
+      proxy_pass http://$backend;
 			
-			proxy_pass http://squiz;
 		}
 			
 		
 			
 		if ($host = s.hbpn.link) {
-			 add_header Access-Control-Allow-Origin $http_origin always; 
-			proxy_pass http://respondent;
+       set $backend "respondent";
+proxy_pass http://$backend;
 		}
 			
 		
 			
 		if ($host = sdocs.pena.digital) {
 			
-			proxy_pass http://docs;
+      set $backend "docs";
+proxy_pass http://$backend;
 		}
 			
 		
 			
 		if ($host = slinks.pena.digital) {
+      set $backend "dwarfener";
+proxy_pass http://$backend;
 			
-			proxy_pass http://dwarfener;
 		}
 			
 		
@@ -697,29 +701,33 @@ server {
 		
 			
 		if ($host = newerait.pena.digital) {
+      set $backend "squizlanding";
+proxy_pass http://$backend;
 			
-			proxy_pass http://squizlanding;
 		}
 			
 		
 			
 		if ($host = smetrica.pena.digital) {
+      set $backend "metrica";
+proxy_pass http://$backend;
 			
-			proxy_pass http://metrica;
 		}
 			
 		
 			
 		if ($host = services.pena.digital) {
+      set $backend "services";
+proxy_pass http://$backend;
 			
-			proxy_pass http://services;
 		}
 			
 		
 			
 		if ($host = shub.pena.digital) {
+      set $backend "hub";
+proxy_pass http://$backend;
 			
-			proxy_pass http://hub;
 		}
 			
 		if ($host = nastya.pena) {