create external-dns cnames instead of alias

detjensrobert · detjensrobert · commit af3aae07da0a · 2025-05-04T00:04:05.000-07:00
Signed-off-by: Robert Detjens &lt;github@detjens.dev&gt;
diff --git a/src/asset_files/setup_manifests/external-dns.helm.yaml.j2 b/src/asset_files/setup_manifests/external-dns.helm.yaml.j2
@@ -20,6 +20,8 @@ txtPrefix: "k8s-owner."
 extraArgs:
   # special character replacement
   - --txt-wildcard-replacement=star
+  # use CNAME instead of ALIAS for alb targets
+  - --aws-prefer-cname
 
 ## Limit external-dns resources
 resources:
