manifests/uptime/service.yaml

apiVersion: v1
kind: Service
metadata:
  name: app
  namespace: uptime
spec:                                                                                                                                                                                             
  selector:                                                                                                                                                                                       
    app: kuma
  ports:                                                                                                                                                                                          
    - name: web
      port: 3001
      targetPort: 3001