Reference - SoojungHong/Elasticsearch_Project GitHub Wiki

1. Code reference
https://www.mkyong.com/spring-boot/spring-boot-spring-data-elasticsearch-example/

2. Running and Installing Elasticsearch
https://www.elastic.co/guide/en/elasticsearch/guide/current/running-elasticsearch.html

3. Installation of cURL on Windows 64
https://help.zendesk.com/hc/en-us/articles/229136847-Installing-and-using-cURL#install