Database per Service
Four microservices (User, Order, Product, Search) behind an API Gateway, each owning its own database technology: PostgreSQL for users, MongoDB for orders, Redis for product caching, and Elasticsearch for search indexing. Shows data isolation with inter-service API calls.
general · architecture diagram.
Four microservices (User, Order, Product, Search) behind an API Gateway, each owning its own database technology: PostgreSQL for users, MongoDB for orders, Redis for product caching, and Elasticsearch for search indexing. Shows data isolation with inter-service API calls.
Created by
February 8, 2026
Updated
February 13, 2026 at 5:47 PM
Type
architecture
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