fix: use annotation to check for ingress method

plugins/scheduler-k3s/templates/chart/ingress.yaml

@@ -8,6 +8,7 @@ kind: Ingress
 metadata:
   annotations:
     dokku.com/managed: "true"
+    dokku.com/ingress-method: "domains"
     {{- if $config.web.tls.enabled }}
     nginx.ingress.kubernetes.io/force-ssl-redirect: "true"
     {{- end }}

plugins/scheduler-k3s/triggers.go

@@ -606,7 +606,7 @@ func TriggerSchedulerDeploy(scheduler string, appName string, imageTag string) e
 	ingressesToDelete := []string{}
 
 	for _, ingress := range ingresses {
-		ingressIngressMethod := ingress.Labels["dokku.com/ingress-method"]
+		ingressIngressMethod := ingress.Annotations["dokku.com/ingress-method"]
 		if ingressIngressMethod != "domains" {
 			ingressesToDelete = append(ingressesToDelete, ingress.Name)
 		}