An S3 event invokes a Lambda transformation function.
Manage code, memory, environment variables, and IAM consistently across environments.
Which approach is most appropriate?
Define the Lambda function, S3 event, permissions, and settings in an AWS SAM template.
Detailed explanation
Lifecycle rules manage S3 objects and do not configure Lambda.
Lifecycle rules manage S3 objects and do not configure Lambda.
Audit records are not Lambda source code or an infrastructure template.
Audit records are not Lambda source code or an infrastructure template.
SAM concisely models serverless resources and deploys them through CloudFormation.
SAM concisely models serverless resources and deploys them through CloudFormation.
Direct edits lose review, history, and repeatable deployment.
Direct edits lose review, history, and repeatable deployment.
Check official documentation
Compare the following points with the official documentation.
AWS SAM Function、Events、Policies、sam build/deployの公式説明を確認する。
What to confirm
SAM・CloudFormation・手作業編集の役割を区別できる。
Key points
- AWS SAM
- Lambda
- S3 event
- Serverless IaC
Notes
- Environment: AWS公式DEA-C01試験ガイドと各サービスの公式ドキュメントの確認
- Confirm current AWS service behavior in the official DEA-C01 documentation.
Foundation review
Event contract
Input shape, retries, permissions, and duplicate delivery are part of the event design.
Environment separation
Parameters and secrets keep environment values out of source and templates.