【笔记】通过Docker部署Elasticsearch集群

通过Docker部署Elasticsearch集群

创建docker-compose文件

image：指定使用的镜像
container_name：指定镜像名
environment：指定环境配置

cluster.name=：指定集群名称，当集群名称相同时，将组建为一个集群
discovery.seed_hosts=：集群中其他节点的IP地址或域名
cluster.initial_master_nodes=：指定集群中主节点，如果指定多个将自动选举主节点
"ES_JAVA_OPTS=-Xms512m -Xmx512m"：配置堆内存大小，最小512m

volumes：指定数据卷映射
ports：指定端口映射
networks：指定网络配置

docker-compose.yml

version: "2.2"
services:
  es01:
    image: elasticsearch:7.12.1
    container_name: es01
    environment:
      - node.name=es01
      - cluster.name=docker-cluster
      - discovery.seed_hosts=es02,es03
      - cluster.initial_master_nodes=es01,es02,es03
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    volumes:
      - data01:/usr/share/elasticsearch/data
    ports:
      - 9201:9200
    networks:
      - es-network
  es02:
    image: elasticsearch:7.12.1
    container_name: es02
    environment:
      - node.name=es02
      - cluster.name=docker-cluster
      - discovery.seed_hosts=es01,es03
      - cluster.initial_master_nodes=es01,es02,es03
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    volumes:
      - data02:/usr/share/elasticsearch/data
    ports:
      - 9202:9200
    networks:
      - es-network
  es03:
    image: elasticsearch:7.12.1
    container_name: es03
    environment:
      - node.name=es03
      - cluster.name=docker-cluster
      - discovery.seed_hosts=es01,es02
      - cluster.initial_master_nodes=es01,es02,es03
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    volumes:
      - data03:/usr/share/elasticsearch/data
    ports:
      - 9203:9200
    networks:
      - es-network
volumes:
  data01:
    driver: local
  data02:
    driver: local
  data03:
    driver: local
networks:
  es-network:
    driver: bridge

docker-compose up -d

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