1、拉取镜像

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docker pull elasticsearch:7.17.7

2、创建挂载目录

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sudo mkdir -p /opt/elasticsearch/config
sudo mkdir -p /opt/elasticsearch/data
sudo mkdir -p /opt/elasticsearch/plugins

3、配置文件

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echo "http.host: 0.0.0.0" >> /opt/elasticsearch/config/elasticsearch.yml

4、创建容器

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sudo docker run --name myes -p 9200:9200  -p 9300:9300 \ # 端口号映射
 -e "discovery.type=single-node" \     # 单点模式启动
 -e ES_JAVA_OPTS="-Xms84m -Xmx512m" \  # 设置启动占用的内存范围
 -v /opt/elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml \ #目录挂载
 -v /opt/elasticsearch/data:/usr/share/elasticsearch/data \
 -v /opt/elasticsearch/plugins:/usr/share/elasticsearch/plugins \
 -d elasticsearch:7.17.7 # 后台启动

5、查看启动详情

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docker ps  查看是否启动
docker logs elasticsearch  启动日志查询
docker restart elasticsearch   重启
docker exec -it elasticsearch bash 进入

6、安装 es-head 插件

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docker pull mobz/elasticsearch-head:5-alpine

docker run --name es-head -p 9100:9100 \
 -d mobz/elasticsearch-head:5-alpine

7、可能出现问题

文件夹无权限，启动失败，可用如下命令解决：

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sudo chmod -R 777 /opt/elasticsearch