powertools-lambda-python/examples/build_recipes/sam/with-layers/template.yaml at 84141e8b44eefd608f0aa0551484474a0818c9bf · aws-powertools/powertools-lambda-python · GitHub

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AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31

Globals:
  Function:
    Runtime: python3.13
    Timeout: 30
    MemorySize: 512
    Environment:
      Variables:
        POWERTOOLS_SERVICE_NAME: !Ref AWS::StackName
        POWERTOOLS_METRICS_NAMESPACE: MyApp
        POWERTOOLS_LOG_LEVEL: INFO

Resources:
  # Dependencies Layer (pydantic, requests, etc.)
  DependenciesLayer:
    Type: AWS::Serverless::LayerVersion
    Properties:
      LayerName: !Sub "${AWS::StackName}-dependencies"
      Description: Application dependencies
      ContentUri: layers/dependencies/
      CompatibleRuntimes:
        - python3.13
      RetentionPolicy: Delete

  # API Lambda Function (lightweight - only app code)
  ApiFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: src/app/
      Handler: app_sam_layer.lambda_handler
      Layers:
        - arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-x86_64:31
        - !Ref DependenciesLayer
      Events:
        ApiEvent:
          Type: Api
          Properties:
            Path: /{proxy+}
            Method: ANY
      Environment:
        Variables:
          POWERTOOLS_SERVICE_NAME: api-service

  # Background Worker Function
  WorkerFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: src/worker/
      Handler: worker_sam_layer.lambda_handler
      Layers:
        - arn:aws:lambda:us-east-1:017000801446:layer:AWSLambdaPowertoolsPythonV3-python313-x86_64:31
        - !Ref DependenciesLayer
      Events:
        SQSEvent:
          Type: SQS
          Properties:
            Queue: !GetAtt WorkerQueue.Arn
            BatchSize: 10
            FunctionResponseTypes:
              - ReportBatchItemFailures
      Environment:
        Variables:
          POWERTOOLS_SERVICE_NAME: worker-service

  # SQS Queue for worker
  WorkerQueue:
    Type: AWS::SQS::Queue
    Properties:
      QueueName: !Sub "${AWS::StackName}-worker-queue"
      VisibilityTimeout: 180

Outputs:
  ApiUrl:
    Description: API Gateway endpoint URL
    Value: !Sub "https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/"

  WorkerQueueUrl:
    Description: SQS Queue URL for worker
    Value: !Ref WorkerQueue