es.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: elasticsearch
spec:
  replicas: 1
  selector:
    matchLabels:
      app: elasticsearch
  template:
    metadata:
      labels:
        app: elasticsearch
    spec:
      containers:
        - name: elasticsearch
          image: docker.elastic.co/elasticsearch/elasticsearch:7.15.0
          resources:
            limits:
              memory: "2Gi"
              cpu: "1"
          ports:
            - containerPort: 9200
              name: http
            - containerPort: 9300
              name: transport
          env:
            - name: discovery.type
              value: "single-node"
            - name: ES_JAVA_OPTS
              value: "-Xms1g -Xmx1g"
          volumeMounts:
            - name: es-data
              mountPath: /usr/share/elasticsearch/data
      volumes:
        - name: es-data
          persistentVolumeClaim:
            claimName: es-pvc

---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: es-pvc
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi
---
apiVersion: v1
kind: Service
metadata:
  name: elasticsearch
  labels:
    app: elasticsearch
spec:
  ports:
    - port: 9200
      targetPort: 9200
      protocol: TCP
      name: http
    - port: 9300
      targetPort: 9300
      protocol: TCP
      name: transport
  selector:
    app: elasticsearch