Put in settings

shared/server-configuration.nix

@@ -153,6 +153,7 @@ in
 
     services.radicale = lib.mkIf srvConfig.caldavEnable {
       enable = true;
+      settings = {
         # Run server port 5232
         server = {
           hosts = [ "0.0.0.0:5232" "[::]:5232" ];
@@ -163,6 +164,7 @@ in
           htpasswd_encryption = "bcrypt";
         };
       };
+    };
 
     systemd.timers."pixel-backups" = {
       wantedBy = [ "timers.target" ];