A practical guide to integrating Elasticsearch into a Node.js/Express backend to improve search functionality over a MySQL database. Covers key Elasticsearch concepts (indexes, mappings, analyzers, tokenizers), setting up the client, creating and deleting indexes, indexing documents, defining mapping rules with autocomplete support using edge_ngram filters, and implementing a paginated multi-field search query with field boosting and fuzziness.
Table of contents
What is Elasticsearch?Elasticsearch Key TermsHow to Set Up ElasticsearchHow to Set Up the Demo ProjectHow to Set Up Elasticsearch in Your ProjectHow to Work with Indexes in ElasticsearchSearch ImplementationFull CodeWrapping UpConclusionSort: