deploy/base/inflated/external-dns/templates/deployment.yaml

@@ -55,10 +55,10 @@ spec:
             - --metrics-address=:7979
             - --log-level=info
             - --log-format=text
-            - --policy=sync
+            - --policy=upsert-only
             - --provider=aws
             - --registry=txt
-            - --interval=15s
+            - --interval=1m
             - --source=service
             - --source=ingress
             # AWS arguments
@@ -95,4 +95,12 @@ spec:
             limits: {}
             requests: {}
           volumeMounts:
+            # AWS mountPath(s)
+            - name: aws-credentials
+              mountPath: /.aws
+              readOnly: true
       volumes:
+        # AWS volume(s)
+        - name: aws-credentials
+          secret:
+            secretName: foo

deploy/base/values/external-dns.yaml

@@ -1,2 +0,0 @@
-policy: sync
-interval: 15s