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Order Service

Overview

The Order Service manages order creation and processing within our microservices architecture.

Key Features

  • Order creation and retrieval
  • Event emission for order-related actions
  • State management based on events from other services

Technical Stack

  • Node.js
  • Express.js
  • MongoDB
  • Kafka for event streaming

Setup Instructions

Local Development

  1. Navigate to the order-service directory:

    cd order-service

  2. Install dependencies:

    npm install

  3. Set up environment variables: Create a .env file in the order-service directory and add:

    PORT=5001
MONGO_URL=mongodb://localhost:27017/order-db
KAFKA_BROKER=localhost:29092
JWT_SECRET=your_jwt_secret_here

  4. Start the service:

    npm start

Docker Deployment

The service is automatically deployed when you run docker-compose up from the root directory. It will be available at http://localhost:5001.

API Endpoints

  • POST /api/orders/create: Place a new order
  • GET /api/orders/getall: Get all orders
  • GET /api/orders/get/:orderId: Get a specific order

Event Communication

This service emits the following Kafka events:

  • "order-placed": When an order is successfully placed

This service listens for:

  • "user-registered": To maintain consistency with user data
  • "user-updated": To maintain consistency with user data
  • "product-created": To maintain consistency with available products
  • "inventory-updated": To maintain consistency with product inventory