diff --git a/openproject/db.yaml b/openproject/db.yaml
index a8c2fa0..8d735a3 100644
--- a/openproject/db.yaml
+++ b/openproject/db.yaml
@@ -6,6 +6,9 @@ spec:
   instances: 3
   storage:
     size: 1Gi
+  bootstrap:
+    recovery:
+      source: clusterBackup
   backup:
     barmanObjectStore:
       destinationPath: "s3://openproject/backups"
@@ -20,3 +23,15 @@ spec:
       wal:
         compression: gzip
       retentionPolicy: "30d"
+  externalClusters:
+    - name: clusterBackup
+      barmanObjectStore:
+      destinationPath: "s3://openproject/backups"
+      endpointURL: "https://fsn1.your-objectstorage.com"
+      s3Credentials:
+        accessKeyId:
+          name: openproject-secret
+          key: OPENPROJECT_FOG_CREDENTIALS_AWS__ACCESS__KEY__ID
+        secretAccessKey:
+          name: openproject-secret
+          key: OPENPROJECT_FOG_CREDENTIALS_AWS__SECRET__ACCESS__KEY