diff --git a/web/ons-demo/data/configuration.json.dev b/web/ons-demo/data/configuration.json.dev
new file mode 100644
index 0000000..90cad6a
--- /dev/null
+++ b/web/ons-demo/data/configuration.json.dev
@@ -0,0 +1,40 @@
+{
+	"core": [
+		"00:00:00:00:00:00:01:01",
+		"00:00:00:00:00:00:01:02",
+		"00:00:00:00:00:00:01:03",
+		"00:00:00:00:00:00:01:04",
+		"00:00:00:00:00:00:01:05",
+		"00:00:00:00:00:00:01:06"
+	],
+	"aggregation": [
+		"00:00:00:00:00:00:02:01",
+		"00:00:00:00:00:00:03:01",
+		"00:00:00:00:00:00:04:01",
+		"00:00:00:00:00:00:05:01",
+		"00:00:00:00:00:00:06:01",
+		"00:00:00:00:00:00:07:01",
+		"00:00:00:00:00:00:08:01"
+	],
+	"association": {
+		"00:00:00:00:00:00:01:01": [
+			"00:00:00:00:00:00:03:01"
+		],
+		"00:00:00:00:00:00:01:02": [
+			"00:00:00:00:00:00:02:01"
+		],
+		"00:00:00:00:00:00:01:03": [
+			"00:00:00:00:00:00:07:01"
+		],
+		"00:00:00:00:00:00:01:04": [
+			"00:00:00:00:00:00:04:01",
+			"00:00:00:00:00:00:05:01"
+		],
+		"00:00:00:00:00:00:01:05": [
+			"00:00:00:00:00:00:06:01"
+		],
+		"00:00:00:00:00:00:01:06": [
+			"00:00:00:00:00:00:08:01"
+		]
+	}
+}
\ No newline at end of file