Architecture

Project Structure

microservices-architecture/
├── auth-service/
│   ├── src/
│   │   ├── controllers/
│   │   ├── models/
│   │   ├── routes/
│   │   ├── index.js
│   │   └── config.js
│   ├── Dockerfile
│   ├── package.json
│   └── .env
├── product-service/
│   ├── src/
│   │   ├── controllers/
│   │   ├── models/
│   │   ├── routes/
│   │   ├── index.js
│   │   └── config.js
│   ├── Dockerfile
│   ├── package.json
│   └── .env
├── order-service/
│   ├── src/
│   │   ├── controllers/
│   │   ├── models/
│   │   ├── routes/
│   │   ├── index.js
│   │   └── config.js
│   ├── Dockerfile
│   ├── package.json
│   └── .env
├── docker-compose.yml
└── README.md

Core Features

Auth Service

• POST /register: Register a new user.
• POST /login: Log in and receive a token.

Product Service

• POST /products: Create a new product.
• GET /products: List all products.
• GET /products/:id: View product details.

Order Service

• POST /orders: Create a new order.
• GET /orders: List all orders for the authenticated user.

Docker Compose

A docker-compose.yml file is used to orchestrate all services.

docker-compose.yml

version: '3.8'
services:
  auth-service:
    build: ./auth-service
    ports:
      - "3001:3001"
    env_file:
      - ./auth-service/.env
    depends_on:
      - mongo-auth

  product-service:
    build: ./product-service
    ports:
      - "3002:3002"
    env_file:
      - ./product-service/.env
    depends_on:
      - mongo-products

  order-service:
    build: ./order-service
    ports:
      - "3003:3003"
    env_file:
      - ./order-service/.env
    depends_on:
      - mongo-orders

  mongo-auth:
    image: mongo
    container_name: mongo-auth
    ports:
      - "27017:27017"
    volumes:
      - mongo-auth-data:/data/db

  mongo-products:
    image: mongo
    container_name: mongo-products
    ports:
      - "27018:27017"
    volumes:
      - mongo-products-data:/data/db

  mongo-orders:
    image: mongo
    container_name: mongo-orders
    ports:
      - "27019:27017"
    volumes:
      - mongo-orders-data:/data/db

volumes:
  mongo-auth-data:
  mongo-products-data:
  mongo-orders-data: