diff --git a/charts/unifi-controller/templates/configmap.yaml b/charts/unifi-controller/templates/configmap.yaml
new file mode 100644
index 0000000..8932cc4
--- /dev/null
+++ b/charts/unifi-controller/templates/configmap.yaml
@@ -0,0 +1,10 @@
+{{- if .Values.mongodb.enabled -}}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: initdb-scripts
+data:
+    init-mongo.js: |
+      db = db.getSiblingDB("{{ include "unifi-controller.mongodb.database" . }}");
+      db.grantRolesToUser("{{ include "unifi-controller.mongodb.username" . }}", [{role: "dbOwner", db: "{{ include "unifi-controller.mongodb.database" . }}_stat"}])
+{{- end }}
\ No newline at end of file
diff --git a/charts/unifi-controller/values.yaml b/charts/unifi-controller/values.yaml
index b422630..76de11e 100644
--- a/charts/unifi-controller/values.yaml
+++ b/charts/unifi-controller/values.yaml
@@ -60,12 +60,15 @@ mongodb:
   # -- Deploy Bitnami MongoDB sub-chart
   enabled: true
   auth:
+    rootUser: root
+    rootPassword: unifi
     databases:
       - unifi
     usernames:
       - unifi
     passwords:
       - unifi
+  initdbScriptsConfigMap: initdb-scripts
 
 externalMongodb:
   # -- Use an external MongoDB database