@raywo thx a lot now it is working.
Also i had to do docker binding to localhost
my config:

var config = {
	address: "",
	port: 8080,
	ipWhitelist: [],
	language: "en",
	timeFormat: 24,
	units: "metric",

	modules: [
		{
			module: "clock",
			position: "top_left"
		}
	]

};