k3s/test/e2e/testing-manifests/ingress/http2/svc.yaml

apiVersion: v1
kind: Service
metadata:
  annotations:
      service.alpha.kubernetes.io/app-protocols: '{"http2":"HTTP2"}'
  name: echoheaders
  labels:
    app: echoheaders
spec:
  type: NodePort
  ports:
  - port: 443
    targetPort: 8443
    protocol: TCP
    name: http2
  selector:
    app: echoheaders