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Build Setup

# Install GNATS Transport layer
wget https://github.com/nats-io/gnatsd/releases/download/v0.9.4/gnatsd-v0.9.4-linux-amd64.zip
unzip -p gnatsd-v0.9.4-linux-amd64.zip gnatsd-v0.9.4-linux-amd64/gnatsd > gnatsd
chmod +x gnatsd
./gnatsd --addr 127.0.0.1 --port 4222

# Install dependencies
npm install

# Start developing with REPL
npm run dev

# Start production
npm start

# Run unit tests
npm test

# Run continuous test mode
npm run ci

# Run ESLint
npm run lint

Run in Docker

$ docker-compose up -d --build

Best Practices

Check company services as a reference for service implementation

Services

Services are hot-pluggable, auto discoverable, defined in the src/services with the xxx.service.js casing. The rule of thumb for services is that one services is only allowed to work with one model. Altering data from other models, must be done through other microservices. A recommended approach to this is to use event emitting through services broker, and subscribing to events in target services. Event Emitter can even declare white/black listed listeners. To group events in a "React" constant way, we created events module in /src/events

Event Publishing from.service.js Action Handler

this.broker.emit(events.COMPANY.CREATED,payload)

Event Subscribing to.service.js

events: {
    [events.COMPANY.CREATED](payload) {
    
    }
}