template.yaml

# From https://github.com/aws-cloudformation/aws-cloudformation-macros/tree/master/S3Objects
AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: A Cloudformation macro to deploy objects to S3 buckets
Resources:
  ResourceFunction:
    Type: AWS::Serverless::Function
    Properties:
      Runtime: python3.11
      CodeUri: s3objects
      Handler: resource.handler
      Policies: AmazonS3FullAccess

  MacroFunction:
    Type: AWS::Serverless::Function
    Properties:
      Runtime: python3.11
      CodeUri: s3objects
      Handler: macro.handler
      Policies: AmazonS3FullAccess
      Environment:
        Variables:
          LAMBDA_ARN: !GetAtt ResourceFunction.Arn

  Macro:
    Type: AWS::CloudFormation::Macro
    Properties:
      Name: S3Objects
      FunctionName: !GetAtt MacroFunction.Arn