var initData = {
	nodes: [
		{
			id: "id-1",
			label: "Kafka",
			img: imgs.img1
		},
		{
			id: "id-2",
			label: "CSV to DB",
			img: imgs.img2
		}
	],
	edges: [
		{
			source: "id-1",
			target: "id-2"
		}
	]
}