Docker 安装 Elasticsearch
1. 拉取镜像：
sudo docker pull elasticsearch:8.6.2
2. 创建docker容器挂载目录：
sudo mkdir -pv /home/zonglin/elasticsearch/config
sudo mkdir -pv /home/zonglin/elasticsearch/data
sudo mkdir -pv /home/zonglin/elasticsearch/plugins
mkdir 参数说明：
- -p, --parents 如果存在，则没有错误，根据需要创建父目录
- -v, --verbose 为每个创建的目录打印一条消息
3. 配置文件（elasticsearch.yml）：
echo "http.host: 0.0.0.0" > /home/zonglin/elasticsearch/config/elasticsearch.yml
chmod -R 777 /home/zonglin/elasticsearch/
参数说明：
- ">" 如果文件存在，清空文件内容并写入。如果文件不存在，创建新文件并写入。
- -R, --recursive 递归地更改文件和目录
- 777 可读、可写、可执行权限
4. 创建容器：
sudo docker run --name elasticsearch -p 9200:9200 -p 9300:9300 \
--restart=always \
-e "discovery.type=single-node" \
-e ES_JAVA_OPTS="-Xms84m -Xmx512m" \
-v /home/zonglin/elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml \
-v /home/zonglin/elasticsearch/data:/usr/share/elasticsearch/data \
-v /home/zonglin/elasticsearch/plugins:/usr/share/elasticsearch/plugins \
-d elasticsearch:8.6.2
docker run参数说明:
- --name string 为容器分配一个名称
- -p, --publish list 向主机发布容器的端口
- -P, --publish-all 将所有公开的端口发布到随机端口
- -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, --volume list 绑定挂载卷
- -d, --detach 在后台运行容器并打印容器ID
5. 查看启动详情：
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
操作明细：
[root@localhost ~]# docker pull elasticsearch:7.12.0
7.12.0: Pulling from library/elasticsearch
7a0437f04f83: Pull complete
2b674c951ca3: Pull complete
06baeb69f25f: Pull complete
eeff01d19ce5: Pull complete
a994306398ca: Pull complete
2c002d76c1f6: Pull complete
6286f2196f9b: Pull complete
Digest: sha256:383e9fb572f3ca2fdef5ba2edb0dae2c467736af96aba2c193722aa0c08ca7ec
Status: Downloaded newer image for elasticsearch:7.12.0
docker.io/library/elasticsearch:7.12.0
[root@localhost ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
elasticsearch 7.12.0 9337ed510a0c 18 months ago 830MB
[root@localhost opt]# sudo mkdir -pv /opt/elasticsearch/config
mkdir: 已创建目录 "/opt/elasticsearch"
mkdir: 已创建目录 "/opt/elasticsearch/config"
[root@localhost opt]# sudo mkdir -pv /opt/elasticsearch/data
mkdir: 已创建目录 "/opt/elasticsearch/data"
[root@localhost opt]# sudo mkdir -pv /opt/elasticsearch/plugins
mkdir: 已创建目录 "/opt/elasticsearch/plugins"
[root@localhost config]# echo "http.host: 0.0.0.0" > /opt/elasticsearch/config/elasticsearch.yml
[root@localhost config]# sudo docker run --name elasticsearch -p 9200:9200 -p 9300:9300 \
> -e "discovery.type=single-node" \
> -e ES_JAVA_OPTS="-Xms84m -Xmx512m" \
> -v /opt/elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml \
> -v /opt/elasticsearch/data:/usr/share/elasticsearch/data \
> -v /opt/elasticsearch/plugins:/usr/share/elasticsearch/plugins \
> -d elasticsearch:7.12.0
8f1930bde13101b5f0412d2e31c7ebc9114c80d95b36da4ead466262574642af
[root@localhost ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
8f1930bde131 elasticsearch:7.12.0 "/bin/tini -- /usr/l…" 13 minutes ago Up 5 minutes 0.0.0.0:9200->9200/tcp, :::9200->9200/tcp, 0.0.0.0:9300->9300/tcp, :::9300->9300/tcp elasticsearch
[root@localhost ~]# curl "http://127.0.0.1:9200"
{
"name" : "8f1930bde131",
"cluster_name" : "elasticsearch",
"cluster_uuid" : "XjL5BIXbRrOY0VR4HfloEQ",
"version" : {
"number" : "7.12.0",
"build_flavor" : "default",
"build_type" : "docker",
"build_hash" : "78722783c38caa25a70982b5b042074cde5d3b3a",
"build_date" : "2021-03-18T06:17:15.410153305Z",
"build_snapshot" : false,
"lucene_version" : "8.8.0",
"minimum_wire_compatibility_version" : "6.8.0",
"minimum_index_compatibility_version" : "6.0.0-beta1"
},
"tagline" : "You Know, for Search"
}
安装 elasticsearch-ik 分词器
elasticsearch-ik 分词器版本和 elasticsearch 版本必须一致
1. 拉取安装包
wget https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v7.12.0/elasticsearch-analysis-ik-7.12.0.zip
2. 创建 ik 目录
mkdir -pv /opt/elasticsearch/plugins/ik/
unzip elasticsearch-analysis-ik-7.12.0.zip # 解压到ik目录中
3.重启服务
docker restart elasticsearch