elastic and kibana configuration in docker,docker-compose.yaml

docker-compose.yaml

version: '3'

services:
  elasticsearch1:
    image: docker.elastic.co/elasticsearch/elasticsearch:8.6.1
    container_name: elasticsearch1
    environment:
      - discovery.type=zen
      - cluster.name=docker-cluster
      - node.name=node-1
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
      - "cluster.initial_master_nodes=node-1,node-2,node-3"
      - "bootstrap.memory_lock=true"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - esdata1:/usr/share/elasticsearch/data
    ports:
      - 9201:9200
      - 9301:9300

  elasticsearch2:
    image: docker.elastic.co/elasticsearch/elasticsearch:8.6.1
    container_name: elasticsearch2
    environment:
      - discovery.type=zen
      - cluster.name=docker-cluster
      - node.name=node-2
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
      - "cluster.initial_master_nodes=node-1,node-2,node-3"
      - "bootstrap.memory_lock=true"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - esdata2:/usr/share/elasticsearch/data
    ports:
      - 9202:9200
      - 9302:9300

  elasticsearch3:
    image: docker.elastic.co/elasticsearch/elasticsearch:8.6.1
    container_name: elasticsearch3
    environment:
      - discovery.type=zen
      - cluster.name=docker-cluster
      - node.name=node-3
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
      - "cluster.initial_master_nodes=node-1,node-2,node-3"
      - "bootstrap.memory_lock=true"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - esdata3:/usr/share/elasticsearch/data
    ports:
      - 9203:9200
      - 9303:9300

 kibana:
    image: docker.elastic.co/kibana/kibana:8.6.1
    container_name: kibana
    environment:
      - ELASTICSEARCH_HOSTS=http://elasticsearch1:9200,http://elasticsearch2:9200,http://elasticsearch3:9200
      - "SERVER_NAME=kibana"
      - "XPACK_SECURITY_ENABLED=false"
    ports:
      - 5601:5601
    depends_on:
      - elasticsearch1
      - elasticsearch2
      - elasticsearch3





volumes:
  esdata1:
    driver: local
  esdata2:
    driver: local
  esdata3:
    driver: local

above yaml file is for three node instances