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Microservices Architecture
Reference MicroservicesRabbitMQNestJS

Microservices Architecture

NestJS microservices with RabbitMQ for user and transaction management.

NestJS · RabbitMQ · MongoDB · TypeScript

Implementer Implementador
Coordinate user and transaction operations across services without tight coupling. Coordinar operaciones de usuarios y transacciones entre servicios sin acoplamiento fuerte.
Message-driven boundaries with RabbitMQ — reference for async inter-service communication. Límites orientados a mensajes con RabbitMQ — referencia de comunicación async entre servicios.

Technical stack

Layer-by-layer breakdown of subsystems, repositories, and production concerns.

Users microservice Microservicio de usuarios

CRUD and auth-related user operations exposed only via RabbitMQ message patterns — no direct HTTP from peers. Operaciones CRUD y auth de usuarios expuestas solo vía patrones RabbitMQ — sin HTTP directo entre pares.

NestJS · MongoDB · RabbitMQ

  • Own database and bounded context Base de datos y bounded context propios

Transactions microservice Microservicio de transacciones

Processes money movement events and maintains transaction history in a separate MongoDB database. Procesa eventos de movimiento de dinero y mantiene historial de transacciones en MongoDB separada.

NestJS · MongoDB · RabbitMQ

  • Async coordination with users service Coordinación async con servicio de usuarios

RabbitMQ messaging layer Capa de mensajería RabbitMQ

Request/response and event channels decouple services — handlers registered per queue/topic pattern. Canales request/response y eventos desacoplan servicios — handlers registrados por patrón de cola/topic.

RabbitMQ · NestJS microservices

  • Reference for message-driven boundaries Referencia de límites orientados a mensajes

HTTP entry (companion gateway) Entrada HTTP (gateway complementario)

Designed to pair with the API Gateway repo — external clients hit HTTP while internals stay on the bus. Diseñado para emparejar con el repo API Gateway — clientes externos usan HTTP mientras internals van al bus.

HTTP → AMQP · NestJS

  • Clear separation between edge and domain services Separación clara entre edge y servicios de dominio

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