Is Elasticsearch a front-end or back-end technology?
The question is about Elasticsearch .
Elasticsearch is a back-end search and analytics engine that indexes, stores, and retrieves data on the server side. It has no front-end role - browser or mobile applications query Elasticsearch indirectly through back-end API servers that proxy search requests. Direct client-side access to Elasticsearch is a security risk in production, as it exposes the full index without access control enforcement.
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