manifests/wewerss/service.yaml

apiVersion: v1
kind: Service
metadata:
  name: app
  namespace: wewerss
spec:                                                                                                                                                                                             
  selector:                                                                                                                                                                                       
    app: werss
  ports:                                                                                                                                                                                          
    - name: web
      port: 4000
      targetPort: 4000