Why JetStream?
When the built-in NestJS NATS transport is enough, and when your system outgrows Core NATS and needs JetStream for durable messaging.
Installation
Install the package, set up NATS with Docker, and configure peer dependencies.
Quick Start
Complete working example in four steps: register, connect, handle, and send.
Migrate from built-in NATS
Step-by-step migration from the built-in NestJS NATS transport (@nestjs/microservices) to @horizon-republic/nestjs-jetstream, keeping your existing handlers.