docker 搭建ElasticSearch8.2.3整合Spring boot

1. docker 安装ElasticSearch

1. 这里采用单例模式安装

docker run -di -e ES_JAVA_OPTS="-Xms512m -Xmx512m" -e "discovery.type=single-node" -p 9200:9200 -p 9300:9300 --name=elasticsearch elasticsearch:8.2.3

2. 进入容器，对elasticsearch进行配置

docker exec -u root -it elasticsearch bash
apt-get update
apt-get install vim -y
vim config/elasticsearch.yml

将elasticsearch安全性配置修改为false

#
# -------------------------------------------------------------------------------
--

# Enable security features 
xpack.security.enabled: false
          
xpack.security.enrollment.enabled: false
        
# Enable encryption for HTTP API client connections, such as Kibana, Logstash, aa
nd Agents    
xpack.security.http.ssl:
  enabled: false
  keystore.path: certs/http.p12
    
# Enable encryption and mutual authentication between cluster nodes
xpack.security.transport.ssl:
  enabled: false
  verification_mode: certificate
  keystore.path: certs/transport.p12
  truststore.path: certs/transport.p12
#----------------------- END SECURITY AUTO CONFIGURATION ------------------------

完成后，保存配置文件并重启
打开9200地址，既可看到如下图所示，即启动成功

image.png

2. docker 安装kibana

docker run -d -p 5601:5601 --link elasticsearch:es -e ELASTICSEARCH_URL=http://es:9200 --name kibana kibana:8.2.3

完成后，打开5600地址，可以看到kibana首页

image.png

3. Spring Boot 整合ElasticSearch

1. pom添加依赖文件

        
          co.elastic.clients
            elasticsearch-java
            8.2.3
        

        
            com.fasterxml.jackson.core
            jackson-databind
            2.12.3
        

2. 添加配置类

@Configuration
public class ElasticConfig {

    // 主机，默认127.0.0.1
    @Value("${elasticsearch.host:127.0.0.1}")
    private String host;

    // 端口，默认9200
    @Value("${elasticsearch.port:9200}")
    private Integer port;

    // 协议，默认http
    @Value("${elasticsearch.scheme:http}")
    private String scheme;

    @Bean
    public RestClient getRestClient() {
        return RestClient.builder(
            new HttpHost(host, port, scheme)
        ).build();
    }

    @Bean
    public ElasticsearchTransport getElasticsearchTransport() {
        // 使用 transport 加载 json 的对象映射器
        return new RestClientTransport(getRestClient(),
            new JacksonJsonpMapper());
    }

    @Bean
    public ElasticsearchClient getElasticsearchClient() {
        // 创建操作用的 ElasticsearchClient 对象
        return new ElasticsearchClient(getElasticsearchTransport());
    }

}

3. 添加spring配置

elasticsearch:
  host: 192.168.0.197
  port: 9200
  scheme: http

4. 编写测试类

@Autowired
    private ElasticsearchClient elasticsearchClient;

    @Test
    public void sendSingle() {
        try {
            Map data = new HashMap<>();
            data.put("测试一下", "测试一下");
            IndexRequest