nestjs-transport

Included with Lifetime

$97 forever

Configure gRPC, RabbitMQ, and monorepo contract patterns for NestJS microservices. Use when setting up gRPC service-to-service calls, RabbitMQ event-driven messaging, shared contract libraries, or microservice exception handling in NestJS.

Backend & APIs

What this skill does

# Microservices & Transport Standards

## **Priority: P0 (FOUNDATIONAL)**


- **Synchronous (RPC)**: Use **gRPC** for low-latency, internal service-to-service calls (10x faster than REST/JSON).
- **Asynchronous (Events)**: Use **RabbitMQ** or **Kafka** for decoupling domains via fire-and-forget (`emit()`).

## gRPC Setup

See [implementation examples](references/example.md)

## RabbitMQ Setup

See [implementation examples](references/example.md)

## Monorepo Contracts

- Store all DTOs, `.proto` files, and Interfaces in `libs/contracts`.
- Services never import from sibling services — only from `contracts`.
- Semantic versioning of messages mandatory. Never change field type; add new field.

## Exception Handling

Standard `HttpException` lost over RPC/TCP. Use `RpcException` with global filters:

See [implementation examples](references/example.md)

## Serialization

- Apply `useGlobalPipes(new ValidationPipe({ transform: true }))` in `MicroserviceOptions` setup, not HTTP.

## Anti-Patterns

- **No cross-service imports**: Services must import only from `libs/contracts`, never from sibling services.
- **No HttpException in RPC**: Use `RpcException` with global `RpcExceptionFilter` for microservice errors.
- **No unversioned message schema**: Add new fields; never change existing field types — consumers will break.

Files: 3

Size: 4.5 KB

Complexity: 24/100

Category: Backend & APIs

Source: https://github.com/hoangnguyen0403/agent-skills-standard/tree/main/skills/nestjs/nestjs-transport

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