Deploying on Kubernetes

apiVersion: apps/v1
kind: Deployment
metadata:
  name: elasticsearch-deployment
spec:
  replicas: 3
  selector:
    matchLabels:
      app: elasticsearch
  template:
    metadata:
      labels:
        app: elasticsearch
    spec:
      containers:
      - name: elasticsearch
        image: docker.elastic.co/elasticsearch/elasticsearch:8.12.0
        ports:
        - containerPort: 9200

apiVersion: elasticsearch.k8s.elastic.co/v1
kind: Elasticsearch
metadata:
  name: elasticsearch
spec:
  version: 8.15.0
  nodeSets:
  - name: default
    count: 3
    config:
      node.roles: [master, data, ingest]

helm repo add elastic https://helm.elastic.co
helm install elastic-operator elastic/eck-operator -n elastic-system --create-namespace

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: elasticsearch
spec:
  serviceName: elasticsearch
  replicas: 3
  selector:
    matchLabels:
      app: elasticsearch
  template:
    metadata:
      labels:
        app: elasticsearch
    spec:
      containers:
      - name: elasticsearch
        image: docker.elastic.co/elasticsearch/elasticsearch:8.11.3
        ports:
        - containerPort: 9200
        env:
        - name: discovery.type
          value: single-node
        - name: ES_JAVA_OPTS
          value: -Xms1g -Xmx1g
        volumeMounts:
        - name: elasticsearch-data
          mountPath: /usr/share/elasticsearch/data
      volumes:
      - name: elasticsearch-data
        emptyDir: {}

apiVersion: apps/v1
kind: Deployment
metadata:
  name: kibana-deployment
spec:
  replicas: 1
  selector:
    matchLabels:
      app: kibana
  template:
    metadata:
      labels:
        app: kibana
    spec:
      containers:
      - name: kibana
        image: docker.elastic.co/kibana/kibana:8.15.3
        env:
        - name: ELASTICSEARCH_HOSTS
          value: "http://elasticsearch:9200"
        ports:
        - containerPort: 5601

apiVersion: v1
kind: Service
metadata:
  name: kibana-service
spec:
  selector:
    app: kibana
  ports:
  - port: 5601
    targetPort: 5601
  type: LoadBalancer

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: filebeat
  namespace: kube-system
spec:
  selector:
    matchLabels:
      app: filebeat
  template:
    metadata:
      labels:
        app: filebeat
    spec:
      containers:
      - name: filebeat
        image: docker.elastic.co/beats/filebeat:8.15.0
        args:
        - -c
        - /etc/filebeat/filebeat.yml
        - -e
        volumeMounts:
        - name: config
          mountPath: /etc/filebeat/filebeat.yml
          subPath: filebeat.yml
        - name: data
          mountPath: /usr/share/filebeat/data
        - name: logs
          mountPath: /var/log/containers
      volumes:
      - name: config
        configMap:
          name: filebeat-config
      - name: data
        hostPath:
          path: /var/lib/filebeat
      - name: logs
        hostPath:
          path: /var/log/containers

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: elasticsearch
spec:
  serviceName: elasticsearch-svc
  replicas: 3
  podManagementPolicy: OrderedReady
  updateStrategy:
    type: RollingUpdate
  template:
    spec:
      containers:
      - name: elasticsearch
        image: docker.elastic.co/elasticsearch/elasticsearch:8.15.0
        ports:
        - containerPort: 9200

elasticsearch:
  resources:
    limits:
      cpu: "2"
      memory: 4Gi
logstash:
  resources:
    limits:
      cpu: "1"
      memory: 2Gi
kibana:
  resources:
    limits:
      cpu: "1"
      memory: 1Gi

apiVersion: v1
kind: Pod
metadata:
  name: elasticsearch-pod
spec:
  initContainers:
  - name: elasticsearch-init
    image: busybox
    command:
    - sh
    - -c
    - |
      echo "Setting file permissions for Elasticsearch..."
      chown -R 1000:0 /usr/share/elasticsearch/data
      chmod -R 750 /usr/share/elasticsearch/data
    volumeMounts:
    - name: elasticsearch-data
      mountPath: /usr/share/elasticsearch/data
  containers:
  - name: elasticsearch
    image: docker.elastic.co/elasticsearch/elasticsearch:8.12.0
    ports:
    - containerPort: 9200
    volumeMounts:
    - name: elasticsearch-data
      mountPath: /usr/share/elasticsearch/data
  volumes:
  - name: elasticsearch-data
    emptyDir: {}

livenessProbe:
  httpGet:
    path: /health
    port: 9200
  initialDelaySeconds: 30
  periodSeconds: 10

readinessProbe:
  httpGet:
    path: /ready
    port: 9200
  initialDelaySeconds: 5
  periodSeconds: 5

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: elasticsearch-pvc
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 100Gi
  storageClassName: fast-ssd

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: elasticsearch
spec:
  template:
    spec:
      containers:
      - name: elasticsearch
        volumeMounts:
        - name: elasticsearch-storage
          mountPath: /usr/share/elasticsearch/data
      volumes:
      - name: elasticsearch-storage
        persistentVolumeClaim:
          claimName: elasticsearch-pvc

apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
  name: elasticsearch-pdb
spec:
  minAvailable: 2
  selector:
    matchLabels:
      app: elasticsearch

apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
  name: kibana-pdb
spec:
  maxUnavailable: 1
  selector:
    matchLabels:
      app: kibana