AWSTemplateFormatVersion : '2010-09-09' Transform: AWS::Serverless-2016-10-31 Description: Simple AWS Lambda Function based on image PackageType and API Resources: MyLambdaFunction: Type: AWS::Lambda::Function Properties: PackageType: Image Code: ImageUri: "emulation-python3.8:latest" Role: Fn::GetAtt: - "LambdaExecutionRole" - "Arn" Timeout: 25 # Below resource is not a package-able resource, nor does it have a PackageType. MyHttpApi: Type: AWS::Serverless::HttpApi Properties: StageName: INTEG