docker_es

操作系统为：centos7.5

安装docker的es

```txt
1. 拉取文件
    docker pull elasticsearch:7.4.2
    docker pull kibana:7.4.2
2. 创建目录
    mkdir -p  /mydata/elasticsearch/config
    mkdir -p  /mydata/elasticsearch/data 
    echo "http.host:0.0.0.0">>/mydata/elasticsearch/config/elasticsearch.yml
3. 创建实例
    docker run --name elasticsearch -p 9200:9200 -p 9300:9300\
    -e "discovery.type=single-node"\
    -e ES_JAVA_OPTS="-Xms64m -Xmx128m"\
    -v /mydata/elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml\
    -v /mydata/elasticsearch/data:/usr/share/elasticsearch/data\
    -v /mydata/elasticsearch/plugins:/usr/share/elasticsearch/plugins\
    -d elasticsearch:7.4.2
4. 设置自启动
    docker update elasticsearch --restart=always
5. 创建实例
    docker run --name kibana -e ELASTICSEARCH_URL=http://192.168.56.10.9200 -p 5601:5601\
    -d kibana:7.4.2
6. 设置自启动
    docker update kibana --restart=always
```

springboot集成es-client

1. 添加依赖

   <dependency>
       <groupId>org.elasticsearch.client</groupId>
       <artifactId>elasticsearch-rest-high-level-client</artifactId>
       <version>7.4.2</version>
   </dependency>
   --修改pom的es版本
   <elasticsearch.version>7.4.2</elasticsearch.version>
   

2. 添加配置

   @Configuration
   public class MyElasticsearchConfig{
   
       @Bean
       public void esRestClient(){
            RestHighLevelClient client = new RestHighLevelClient(
            RestClient.builder(
               new HttpHost("localhost", 9201, "http")));
           
           return client
       }
   }