opcua-server: fix no endpoint

component/opcua-server/buildout.cfg

@@ -38,7 +38,7 @@ initialization =
     # setup our server
     server = Server()
     await server.init()
-    server.set_endpoint(f"tcp://{ip}:{port}")
+    server.set_endpoint(f"opc.tcp://{ip}:{port}/freeopcua/server/")
     if xml is not None:
       await server.import_xml(xml)
     _logger.info("Starting server!")