website/docs/user-guide/services/load-balancer-sample.yaml

apiVersion: v1
kind: Service
metadata:
  name: myapp
spec:
  ports:
    - port: 8765
      targetPort: 9376
  selector:
    app: example
  type: LoadBalancer
  loadBalancerSourceRanges:
  - 10.180.0.0/16
  - 10.245.0.0/24