template.yaml

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

Resources:
  MyBucket:
    Type: AWS::S3::Bucket
    Properties:
      BucketName: !Sub "vidbucket-${AWS::AccountId}"

  HelloWorldFunction:
    Type: AWS::Serverless::Function # More info about Function Resource: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#awsserverlessfunction
    Properties:
      CodeUri: hello_world/
      Handler: app.lambda_handler
      Runtime: python3.10
      Timeout: 200
      Architectures:
      - x86_64
      Policies:
        - S3CrudPolicy:
            BucketName: !Sub "vidbucket-${AWS::AccountId}"
        - S3WritePolicy:
            BucketName: thumbnail876
      Events:
        S3Event:
          Type: S3
          Properties:
            Bucket: !Ref MyBucket
            Events:
              - s3:ObjectCreated:*