modularizing of vps ips

modules/servers/readeck.nix

@@ -16,7 +16,10 @@ in
             log_level = "warn";
             data_directory = "/var/lib/readeck";
           };
-          server.port = cfg.port;
+          server = {
+            port = cfg.port;
+            host = cfg.ip;
+          };
         };
       };
       nginx.virtualHosts."${cfg.host}" = lib.mkIf cfg.enableProxy (setup.proxyReverse cfg);