template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: serverless-express + DynamoDB example
Resources:
  ServerlessExpressFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: ./src
      Handler: lambda.handler
      MemorySize: 1024
      Runtime: nodejs20.x
      Timeout: 3
      Events:
        DynamoDB1:
          Type: DynamoDB
          Properties:
            Stream: !GetAtt Table.StreamArn
            StartingPosition: TRIM_HORIZON
            BatchSize: 1
  Table:
    Type: 'AWS::DynamoDB::Table'
    Properties:
      AttributeDefinitions:
        - AttributeName: id
          AttributeType: S
      KeySchema:
        - AttributeName: id
          KeyType: HASH
      ProvisionedThroughput:
        ReadCapacityUnits: 5
        WriteCapacityUnits: 5
      StreamSpecification:
        StreamViewType: NEW_IMAGE

Outputs:
  LambdaFunctionConsoleUrl:
    Description: Console URL for the Lambda Function.
    Value: !Sub https://${AWS::Region}.console.aws.amazon.com/lambda/home?region=${AWS::Region}#/functions/${ServerlessExpressFunction}