elasticsearch docker方式安装

docker搜索elasticsearch

sudo docker search elasticsearch

docker拉取elasticsearch镜像

sudo docker pull elasticsearch:7.7.0

docker查看elaticsearch镜像

sudo docker images

配置elasticsearch的映射目录

sudo mkdir -p /elasticsearch/config
sudo mkdir -p /elasticsearch/data
sudo chmod -R 777 /elasticsearch/
sudo echo "http.host: 0.0.0.0">>/elasticsearch/config/elasticsearch.yml

docker启动elasticsearch

sudo docker run --name elasticsearch -p 9200:9200 \
 -p 9300:9300 \
 -e "discovery.type=single-node" \
 -e ES_JAVA_OPTS="-Xms64m -Xmx128m" \
  -v /elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml \
 -v /elasticsearch/data:/usr/share/elasticsearch/data \
 -v /elasticsearch/plugins:/usr/share/elasticsearch/plugins \
 -d elasticsearch:7.7.0

参数说明:

--name elasticsearch：将容器命名为 elasticsearch
-p 9200:9200：将容器的9200端口映射到宿主机9200端口
-p 9300:9300：将容器的9300端口映射到宿主机9300端口，目的是集群互相通信
-e "discovery.type=single-node"：单例模式
-e ES_JAVA_OPTS="-Xms64m -Xmx128m"：配置内存大小
-v /elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml：将配置文件挂载到宿主机
-v /elasticsearch/data:/usr/share/elasticsearch/data：将数据文件夹挂载到宿主机
-v /elasticsearch/plugins:/usr/share/elasticsearch/plugins：将插件目录挂载到宿主机(需重启)
-d elasticsearch:7.7.0：后台运行容器，并返回容器ID

docker查看运行的elasticsearch实例

sudo docker ps

访问测试

curl http://118.195.173.53:9200/

返回结果

{
  "name" : "c06792617fd5",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "8mWiS4yGQ9muO1JavHwAZw",
  "version" : {
    "number" : "7.7.0",
    "build_flavor" : "default",
    "build_type" : "docker",
    "build_hash" : "81a1e9eda8e6183f5237786246f6dced26a10eaf",
    "build_date" : "2020-05-12T02:01:37.602180Z",
    "build_snapshot" : false,
    "lucene_version" : "8.5.1",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}

elasticsearch容器自启

sudo docker update elasticsearch --restart=always