Orchestration-based Saga Pattern

Proof of concept for Orchestration-based saga in NodeJS.

Reference docs

• Saga Pattern
• Event Sourcing

Install

# Start docker containers
docker-compose up -d

# Start all
npm start

Tools

• Order Service - Mongo Express;
• Payment Service - Mongo Express;
• Shipment Service - Mongo Express;
• Stock Service - Mongo Express;
• Event Service - Mongo Express;

Endpoints and models

• POST http://localhost:3000/orders - Create pending order.

{
	"items": [
		{
			"productId": "620953c6c4037f2c34607436", 
			"quantity": 4
		}
	]
}

• POST http://localhost:3001/payments - Make payment.

{
	"orderId": "620953de53143ff095a8c09f", 
	"customerId": "620953c696a6bab50ef85f8b"
}