kubespray/roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/svc-default-backend.yml.j2

---
apiVersion: v1
kind: Service
metadata:
  name: default-backend
  namespace: {{ ingress_nginx_namespace }}
  labels:
    app.kubernetes.io/name: default-backend
    app.kubernetes.io/part-of: ingress-nginx
spec:
  ports:
    - port: 80
      targetPort: 8080
  selector:
    app.kubernetes.io/name: default-backend
    app.kubernetes.io/part-of: ingress-nginx