$ cat service-web.yaml 
apiVersion: v1
kind: Service
metadata:
  labels:
    app: zabbix
  name: zabbix-web
  namespace: zabbix 
spec:
  ports:
  - name: zabbix-web
    port: 80
    protocol: TCP
    targetPort: 8080
  selector:
    app: zabbix
  type: ClusterIP