apiVersion: v1
kind: Service
metadata:
  name: elasticsearch-public  # 新服务名，避免与现有 headless 服务冲突
  namespace: efk
spec:
  ports:
  - port: 9200
    targetPort: 9200
    name: http
  selector:
    statefulset.kubernetes.io/pod-name: elasticsearch-0-0  # 精确匹配 master 节点
  type: LoadBalancer