explicitly use v4 localhost

hosts/freun.dev/services/gotosocial.nix

@@ -42,6 +42,6 @@ in
       ]
     );
 
-    "${fqdn}".locations."/".proxy = "http://localhost:${toString port}";
+    "${fqdn}".locations."/".proxy = "http://127.0.0.1:${toString port}";
   };
 }

hosts/freun.dev/services/grafana.nix

@@ -43,7 +43,7 @@ in
     ];
   };
 
-  modules.webserver.vHosts.${fqdn}.locations."/".proxy = "http://localhost:${toString port}";
+  modules.webserver.vHosts.${fqdn}.locations."/".proxy = "http://127.0.0.1:${toString port}";
 
   services.postgresql = {
     ensureDatabases = [ "grafana" ];

hosts/freun.dev/services/immich.nix

@@ -167,7 +167,7 @@ in
     wantedBy = [ "multi-user.target" ];
   };
 
-  modules.webserver.vHosts.${fqdn}.locations."/".proxy = "http://localhost:${toString port}";
+  modules.webserver.vHosts.${fqdn}.locations."/".proxy = "http://127.0.0.1:${toString port}";
 
   fileSystems."${immich_data_dir}" = {
     device = "//u407959.your-storagebox.de/backup/immich";

hosts/freun.dev/services/invidious.nix

@@ -19,5 +19,5 @@ in
     };
   };
 
-  modules.webserver.vHosts.${fqdn}.locations."/".proxy = "http://localhost:${toString port}";
+  modules.webserver.vHosts.${fqdn}.locations."/".proxy = "http://127.0.0.1:${toString port}";
 }

hosts/freun.dev/services/owncast.nix

@@ -10,5 +10,5 @@ in
     inherit port;
   };
 
-  modules.webserver.vHosts.${fqdn}.locations."/".proxy = "http://localhost:${toString port}";
+  modules.webserver.vHosts.${fqdn}.locations."/".proxy = "http://127.0.0.1:${toString port}";
 }

hosts/freun.dev/services/snips.nix

@@ -38,7 +38,7 @@ in
     };
   };
 
-  modules.webserver.vHosts.${fqdn}.locations."/".proxy = "http://localhost:${toString port}";
+  modules.webserver.vHosts.${fqdn}.locations."/".proxy = "http://127.0.0.1:${toString port}";
 
   networking.firewall.allowedTCPPorts = [ sshPort ];
 }

hosts/freun.dev/services/syncthing.nix

@@ -14,7 +14,7 @@ in
   };
 
   modules.webserver.vHosts.${fqdn}.locations."/" = {
-    proxy = "http://localhost:${toString port}";
+    proxy = "http://127.0.0.1:${toString port}";
     extraConfig = ''
       proxy_set_header Host $host;
     '';

hosts/freun.dev/services/vaultwarden.nix

@@ -27,8 +27,8 @@ in
   };
 
   modules.webserver.vHosts.${fqdn}.locations = {
-    "/".proxy = "http://localhost:8000";
-    "/notifications/hub".proxy = "http://localhost:3012";
+    "/".proxy = "http://127.0.0.1:8000";
+    "/notifications/hub".proxy = "http://127.0.0.1:3012";
   };
 
   services.postgresql = {

hosts/freun.dev/services/workout-tracker.nix

@@ -31,5 +31,5 @@ in
     };
   };
 
-  modules.webserver.vHosts.${fqdn}.locations."/".proxy = "http://localhost:${toString port}";
+  modules.webserver.vHosts.${fqdn}.locations."/".proxy = "http://127.0.0.1:${toString port}";
 }