ex) curl -X POST 'http://localhost:9200/_aliases' --user test_user:test_password -H 'Content-type: application/json' -d '{"actions":[{"add":{"index":"my_test_index_v1","alias":"my_index"}}]}'
curl -X POST 'http://localhost:9200/_aliases' --user test_user:test_password -H 'Content-type: application/json' -d '{"actions":[{"add":{"index":"my_test_index_v1","alias":"my_index"}}]}'
actions 가 remove 일 경우 alias 를 삭제