Use fmt.Fprintf to stderr for debug logging

- Change from log.Printf to fmt.Fprintf(os.Stderr) for visibility
- Ensure debug output appears in container logs

Author: rajsinghtech

pkg/homer/config.go

@@ -1164,12 +1164,12 @@ func createIngressItem(ingress networkingv1.Ingress, host string, validRuleCount
 
 	// Append cluster name suffix from label if set (only for remote clusters)
 	if clusterName, ok := ingress.ObjectMeta.Annotations["homer.rajsingh.info/cluster"]; ok && clusterName != "" && clusterName != "local" {
-		log.Printf("DEBUG: Ingress %s from cluster %s, labels: %v", ingress.ObjectMeta.Name, clusterName, ingress.ObjectMeta.Labels)
+		fmt.Fprintf(os.Stderr, "DEBUG: Ingress %s from cluster %s, labels: %v\n", ingress.ObjectMeta.Name, clusterName, ingress.ObjectMeta.Labels)
 		if suffix, hasSuffix := ingress.ObjectMeta.Labels["cluster-name-suffix"]; hasSuffix && suffix != "" {
-			log.Printf("DEBUG: Appending suffix %q to name %q", suffix, name)
+			fmt.Fprintf(os.Stderr, "DEBUG: Appending suffix %q to name %q\n", suffix, name)
 			name = name + suffix
 		} else {
-			log.Printf("DEBUG: No cluster-name-suffix label found for %s", ingress.ObjectMeta.Name)
+			fmt.Fprintf(os.Stderr, "DEBUG: No cluster-name-suffix label found for %s\n", ingress.ObjectMeta.Name)
 		}
 	}
 
@@ -1291,12 +1291,12 @@ func updateHomerConfigWithHTTPRoutes(
 
 			// Append cluster name suffix from label if set (only for remote clusters)
 			if clusterName, ok := httproute.ObjectMeta.Annotations["homer.rajsingh.info/cluster"]; ok && clusterName != "" && clusterName != "local" {
-				log.Printf("DEBUG: HTTPRoute %s from cluster %s, labels: %v", httproute.ObjectMeta.Name, clusterName, httproute.ObjectMeta.Labels)
+				fmt.Fprintf(os.Stderr, "DEBUG: HTTPRoute %s from cluster %s, labels: %v\n", httproute.ObjectMeta.Name, clusterName, httproute.ObjectMeta.Labels)
 				if suffix, hasSuffix := httproute.ObjectMeta.Labels["cluster-name-suffix"]; hasSuffix && suffix != "" {
-					log.Printf("DEBUG: Appending suffix %q to name %q", suffix, name)
+					fmt.Fprintf(os.Stderr, "DEBUG: Appending suffix %q to name %q\n", suffix, name)
 					name = name + suffix
 				} else {
-					log.Printf("DEBUG: No cluster-name-suffix label found for %s", httproute.ObjectMeta.Name)
+					fmt.Fprintf(os.Stderr, "DEBUG: No cluster-name-suffix label found for %s\n", httproute.ObjectMeta.Name)
 				}
 			}