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Order Service

This service monitors incoming order requests from the car UI (Car Dashboard), executes the order placement, and provides the relevant response.

Prerequisites

We must set up Axon Server to handle command and query operations, and configure MySQL as the persistent store destination.

order-config.png

Local setup

  • Setup axon-server and MySQL docker images
local-dev > docker compose up -d
  • Run the application
order-service > mvn clean springboot:run
  • Endpoint for resting
    • Generate a request for an order.
curl --location 'http://localhost:9090/orders/create' \
--header 'Content-Type: application/json' \
--data '{
    "productId": "199",
    "quantity": 1,
    "userId": "1652"
}'
  • Get user's order.
curl --location 'http://localhost:9090/orders/1652'

Saga Orchestration

Saga orchestration is a design pattern in distributed systems where car-demo process is broken down into a series of smaller, independent transactions (sagas) that can be orchestrated to ensure consistency and reliability across the entire process.

saga.png

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.