AWS Order

A web API in Java and AWS:

POST /api/orders
{
  "orderItems": [
    {
      "productId": 2,
      "quantity": 4,
      "unitPrice": 16.60
    }
  ]
}

201 Created
1

GET /api/orders/1

200 OK
{
  "orderId": 1,
  "orderItems": [
    {
      "productId": 2,
      "quantity": 4,
      "unitPrice": 16.60
    }
  ]
}

Prerequisites:

• Amazon Corretto 21
• IntelliJ IDEA 2025
• Docker Desktop

Test:

• Run > Edit Configurations > Add New Configuration > JUnit > corretto-21, aws-orders.tests, All in package > Run

Deploy:

• Create a new Aurora PostgreSQL database
• Configure spring.datasource.url, spring.datasource.username, and spring.datasource.password properties in application.properties file
• Create a new ECR repository, build and push Docker image to it
• Create a new ECS cluster, new ECS task definition with ECR Docker image URI and 8080 port mapping, and new ECS service
• Add permissions and configure ECS task networking to access other created resources
• Delete all created resources to prevent ongoing charges

AWS services used:

• ECS
• ECR
• Aurora PostgreSQL