apiVersion: apps/v1
kind: Deployment
metadata:
  name: opensearch
  namespace: data
spec:
  replicas: 1
  selector:
    matchLabels:
      app: opensearch
  template:
    metadata:
      labels:
        app: opensearch
    spec:
      initContainers:
        - name: sysctl
          image: busybox
          command: ["sysctl", "-w", "vm.max_map_count=262144"]
          securityContext:
            privileged: true
      containers:
        - name: opensearch
          image: opensearchproject/opensearch:2
          ports:
            - name: http
              containerPort: 9200
              protocol: TCP
            - name: transport
              containerPort: 9300
              protocol: TCP
          env:
            - name: discovery.type
              value: single-node
            - name: OPENSEARCH_JAVA_OPTS
              value: "-Xms512m -Xmx1g"
            - name: DISABLE_SECURITY_PLUGIN
              value: "true"
          resources:
            limits:
              memory: 1500Mi
            requests:
              memory: 768Mi
              cpu: 100m