EventSource module for NestJS

EventSource module for NestJS

NestJS module for eventsourcing development with eventstore database

About The Project

This module allows you to connect to a EventstoreDB to do event sourcing with nestjs.

This is a Work In Progress, not ready to use it in producction.

Getting Started

WIP

See example

Prerequisites

You require to have a nestjs project with this modules already installed and loaded:

• @nestjs/cqrs
• nestjs-console

Installation

• npm

    npm install @aulasoftwarelibre/nestjs-eventstore
  

• pnpm

    npm add @aulasoftwarelibre/nestjs-eventstore
  

• yarn

    yarn add @aulasoftwarelibre/nestjs-eventstore
  

Usage

Loading the module

Contributing

License

Distributed under the EUPL-1.2 License. See LICENSE for more information.

Running the example

To run the example you will build the library first:

pnpm run build

Then go to the example folder an run the containers:

cd examples/banking
docker compose up -d

And finally run the project:

pnpm run start:dev

You will access to the example application in the next urls:

• Swagger API
• EventStore Database (Write model)
• Mongo Database (Read model)

Acknowledgements

This module was created following next articles:

• https://medium.com/@qasimsoomro/building-microservices-using-node-js-with-ddd-cqrs-and-event-sourcing-part-1-of-2-52e0dc3d81df
• https://medium.com/@qasimsoomro/building-microservices-using-node-js-with-ddd-cqrs-and-event-sourcing-part-2-of-2-9a5f6708e0f
• https://nordfjord.io/blog/event-sourcing-in-nestjs