#! Elasticsearch built-in security features are not enabled. Without authentication, your cluster could be accessible to anyone. See https://www.elastic.co/guide/en/elasticsearch/reference/7.17/security-minimal-setup.html to enable security.
#! Legacy index templates are deprecated in favor of composable templates.
#! Deprecated field [template] used, replaced by [index_patterns]
"acknowledged" : true
I'm trying to implement this example which imports data from mysql to elastic but as i can see it is old and not updated.