AWSTemplateFormatVersion: '2010-09-09' Transform: AWS::Serverless-2016-10-31 Resources: PetStoreAPI: Type: AWS::Serverless::Api Properties: StageName: prod DefinitionUri: petstore-swagger.json Outputs: PetStoreAPI: Description: "Root API endpoint URL for Prod stage" Value: !Sub "https://${PetStoreAPI}.execute-api.${AWS::Region}.amazonaws.com/prod" Export: Name: PetStoreAPIRoot