Date format https://www.elastic.co/guide/en/elasticsearch/reference/current/mapping-date-format.html
The index option controls whether field values are indexed.
The index option controls whether field values are indexed. https://www.elastic.co/guide/en/elasticsearch/reference/current/mapping-index.html
Index settings https://www.elastic.co/guide/en/elasticsearch/reference/current/index-modules.html
Elasticsearch template https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-templates.html
Elasticsearch mapping dedicated annotations