安装docker版elasticsearch和kibana

本文将介绍用docker的方式安装elasticsearch和kibana，并用浏览器访问elasticsearch。这里的elasticsearch主要给测试环境使用，因此不会设置https和密码。kibana是elasticsearch的前端，可以用来访问elasticsearch，展示数据图表、搜索数据等等。下文以Ubuntu22.04为例。

一、编写如下docker-compose.yml文件

在root目录下，用root执行（下同）：vim docker-compose.yml，内容如下

services:
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:8.1.1
    container_name: elastic811
    ulimits:
      memlock:
        soft: -1
        hard: -1
      nofile:
        soft: 65535
        hard: 65535
    ports:
      - "9200:9200"
      - "9300:9300"
    volumes:
      - /data/docker/es811_data/data:/usr/share/elasticsearch/data  # 映射数据文件
    networks:
      - elastic
    environment:
      # 设置适当的内存占用
      - "ES_JAVA_OPTS=-Xms512m -Xmx4096m"
    restart: always

  kibana:
    image: docker.elastic.co/kibana/kibana:8.1.1
    container_name: kibana811
    ports:
      - "5601:5601"
    networks:
      - elastic
    depends_on:
      - elasticsearch
    restart: always

networks:
  elastic:
    driver: bridge
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创建数据目录：mkdir -pv /data/docker/es811_data/data

启动docker容器：docker-compose up -d （如果遇到问题，可能是系统open files不够，把宿主机的nofile soft和hard设置为至少65535，自行百度）

二、编写elasticsearch.yml配置文件

在root目录下，执行命令 vim elasticsearch.yml，内容如下

cluster.name: "docker-cluster"
network.host: 0.0.0.0

# 新增这一行，设为单点模式
discovery.type: "single-node"

#----------------------- BEGIN SECURITY AUTO CONFIGURATION -----------------------
#
# The following settings, TLS certificates, and keys have been automatically
# generated to configure Elasticsearch security features on 18-05-2024 02:47:05
#
# --------------------------------------------------------------------------------

# Enable security features
# 关闭安全验证
xpack.security.enabled: false

# 关闭enrollment安全验证
xpack.security.enrollment.enabled: false

# Enable encryption for HTTP API client connections, such as Kibana, Logstash, and Agents
xpack.security.http.ssl:
  enabled: false  # 关闭
  keystore.path: certs/http.p12

# Enable encryption and mutual authentication between cluster nodes
xpack.security.transport.ssl:
  enabled: false  # 关闭
  verification_mode: none  # 设为none
  keystore.path: certs/transport.p12
  truststore.path: certs/transport.p12
# Create a new cluster with the current node only
# Additional nodes can still join the cluster later
#cluster.initial_master_nodes: ["237fa9594e49"]

#----------------------- END SECURITY AUTO CONFIGURATION -------------------------
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三、配置elasticsearch并重启

执行如下命令：

# 先停止容器
docker-compose stop

# 拷贝配置文件
docker cp elasticsearch.yml elastic811:/usr/share/elasticsearch/config/elasticsearch.yml

# 启动容器
docker-compose start
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四、从浏览器访问elasticsearch

http://172.16.2.233:5601/
172.16.2.233 是宿主机的ip地址。