给docker创建的elasticsearch容器添加密码

• 数据库

一、修改配置文件

1.进入容器

docker exec -it elasticsearch bash

2.启用认证

vi config/elasticsearch.yml

#添加如下内容

http.cors.enabled: true
http.cors.allow-origin: "*"
http.cors.allow-headers: Authorization
xpack.security.enabled: true
xpack.security.transport.ssl.enabled: true

3.保存后，退出容器，重启ES

docker restart elasticsearch

二、设置用户密码

1.上一步重启ES容器后，再次进入容器：

docker exec -it elasticsearch /bin/bash

2.再次进入容器后，执行以下命令

./bin/elasticsearch-setup-passwords interactive

出现：Initiating the setup of passwords for reserved users elastic,apm_system,kibana,logstash_system,beats_system,remote_monitoring_user.
You will be prompted to enter passwords as the process progresses.
Please confirm that you would like to continue [y/N]

上边英文大概的意思是：你如果确定开启密码的话，需要设置以下六种账户的密码（建议设置成一样的）

Please confirm that you would like to continue [y/N]y


Enter password for [elastic]: 
Reenter password for [elastic]: 
Enter password for [apm_system]: 
Reenter password for [apm_system]: 
Enter password for [kibana]: 
Reenter password for [kibana]: 
Enter password for [logstash_system]: 
Reenter password for [logstash_system]: 
Enter password for [beats_system]:

Reenter password for [beats_system]: 
Enter password for [remote_monitoring_user]: 
Reenter password for [remote_monitoring_user]: 
Changed password for user [apm_system]
Changed password for user [kibana]
Changed password for user [logstash_system]
Changed password for user [beats_system]
Changed password for user [remote_monitoring_user]
Changed password for user [elastic]

3.完成以上的设置后，需要再次重启ES容器

docker restart es

三、验证

http://127.0.0.1:9200/

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