AWSTemplateFormatVersion : '2010-09-09' Transform: AWS::Serverless-2016-10-31 Description: Simple AWS Lambda Function based on image PackageType Resources: MyLambdaFunction: Type: AWS::Lambda::Function Properties: PackageType: Image Code: ImageUri: emulation-python3.8:latest Role: Fn::GetAtt: - "HelloWorldFunctionRole" - "Arn" Timeout: 25 HelloWorldFunctionRole: Type: AWS::IAM::Role Properties: AssumeRolePolicyDocument: Statement: - Action: - sts:AssumeRole Effect: Allow Principal: Service: - lambda.amazonaws.com Version: '2012-10-17' ManagedPolicyArns: - arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole