AWS
AWS Serverless Order Processing
This AWS serverless order-processing architecture routes customer requests through API Gateway to an order Lambda function. The function stores order state in DynamoDB and sends its operational outputs to SNS, EventBridge and CloudWatch. Customers also access product images in S3. This is a useful high-level view for explaining an event-aware serverless workflow; it does not attempt to show IAM policies, retry settings or a full fulfillment process.
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CASE ANALYSIS
Scenario
Sketching an order flow built from managed AWS services.
Key decisions
- API boundary: Accept orders through API Gateway.
- Compute model: Process requests in a Lambda function.
- Order state: Store orders in DynamoDB.
- Operational events: Publish notifications, events and logs.
When to reuse this
Use it when the request path is serverless and order processing is event-aware.
FAQ
Frequently asked questions
What is a serverless order-processing architecture?
It uses managed services such as API Gateway, Lambda and DynamoDB to receive, process and persist orders.
Why use EventBridge in an order flow?
It can distribute order-related events to other AWS services or applications.
What does CloudWatch show here?
It represents logs and operational monitoring for the Lambda-based workflow.
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