Add extra middleware to (hopefully) fix syncthing remote gui

services/traefik/default.nix

@@ -51,6 +51,12 @@
             stsSeconds = "31536000";
             stsIncludeSubdomains = true;
           };
+          hostHeaders.headers.customRequestHeaders = {
+            Host = "$host";
+            X-Real-IP = "$remote_addr";
+            X-Forwarded-For = "$proxy_add_x_forwarded_for";
+            X-Forwarded-Proto = "$scheme";
+          };
         };
       };
     };

services/traefik/syncthing.nix

@@ -7,7 +7,7 @@
       rule = "Host(`sync.xenia.me.uk`)";
       entryPoints = [ "http" "https" ];
       service = "syncthing-webinterface";
-      middlewares = [ "auth" ];
+      middlewares = [ "auth" "hostHeaders" ];
       tls = { certResolver = "default"; };
     };
     services.syncthing-webinterface.loadBalancer.servers =