Adding Advanced Search Capabilities With Azure Search (Elastic Search)

No need to reinvent the wheel when it comes to search. Learn how you can avoid destroying your database with search queries by storing your search index in the cloud using Azure Search. We'll review how to create an index, datasource, indexer and suggester. Then we'll show you how to query it for use with autocomplete suggestions, search results and facets in a real world web application.

https://azure.microsoft.com/en-us/documentation/articles/search-get-started-nodejs/