A complete guide to MongoDB in Go — the official mongo-driver, connecting and connection pooling, BSON and data types, CRUD operations with filters and projections, aggregation pipelines, indexing, multi-document transactions, context timeouts, and the repository pattern for a product collection.
A complete guide to Elasticsearch in Go — the official go-elasticsearch client, indexing documents, full-text search with match and multi_match, filters and bool queries, aggregation for analytics, highlighting, pagination with from/size and search_after, bulk indexing, and building a complete product search engine.