diff --git a/hiera.yaml b/hiera.yaml
new file mode 100644
index 0000000..75799f7
--- /dev/null
+++ b/hiera.yaml
@@ -0,0 +1,12 @@
+---
+version: 5
+
+defaults:
+  datadir: "hieradata"
+
+hierarchy:
+  - name: 'Yaml backend'
+    data_hash: yaml_data
+    paths:
+      - "nodes/%{trusted.certname}.yaml"
+      - 'common.yaml'