Sayan-Maity / NodeJS-Microservice

Microservice Architecture + Shared Database

This project is a simple example of a microservice architecture using NodeJS and MongoDB. It consists of three services namely: users, books and orders. The users service is responsible for managing users, the books service is responsible for managing books and the orders service is responsible for managing orders. The services communicate with each other using HTTP requests.

Explanation

• 3 different services: users, books and orders
• Each service has its own server and a shared database
• The services communicate with each other using HTTP requests
• Client will interact with the services through the API Gateway

Service Endpoints

• Users Service: http://localhost:3001
• Books Service: http://localhost:3002
• Orders Service: http://localhost:3003
• API Gateway: http://localhost:8080

Working

• If client wants to interact with User Service, then it has to send request to this endpoint
  • http://localhost:8080/user/api/{user-service-endpoint-name}
• If client wants to interact with Book Service, then it has to send request to this endpoint
  • http://localhost:8080/book/api/{book-service-endpoint-name}
• If client wants to interact with Order Service, then it has to send request to this endpoint
  • http://localhost:8080/order/api/{order-service-endpoint-name}

How to run

1. Clone the repository
2. Go to respective services and run npm install
3. Run node start in each directory to start the services
4. Go to the api-gateway directory and run npm install
5. Run node start to start the API Gateway
6. You can now interact with the services through the API Gateway
7. Make sure all your services are up and running