apiVersion: apps/v1
kind: Deployment
metadata:
  name: elasticsearch-deployment
  namespace: kube-system
  labels:
    app: elasticsearch
spec:
  # modify replicas according to your case
  replicas: 1
  selector:
    matchLabels:
      app: elasticsearch
  template:
    metadata:
      labels:
        app: elasticsearch
    spec:
      containers:
        - name: elasticsearch
          image: docker.elastic.co/elasticsearch/elasticsearch:6.6.1
          imagePullPolicy: IfNotPresent
          env:
            - name: discovery.type
              value: single-node
          ports:
            - name: client
              containerPort: 9200
            - name: nodes
              containerPort: 9300
          volumeMounts:
            - name: data
              mountPath: "/usr/share/elasticsearch/data"
      volumes:
        - name: data
          hostPath:
            path: "/mnt/data"
            type: DirectoryOrCreate
---
apiVersion: v1
kind: Service
metadata:
  name: elasticsearch
  namespace: kube-system
  labels:
    service: elasticsearch
spec:
  ports:
    - port: 9200
      name: client
    - port: 9300
      name: nodes
  selector:
    app: elasticsearch