Resources: HtmlFunction: Type: AWS::Serverless::Function Properties: CodeUri: s3://sam-demo-bucket/member_portal.zip Handler: index.gethtml Runtime: nodejs12.x Events: GetHtml: Type: Api Properties: RestApiId: HtmlApi Path: / Method: get Auth: Authorizer: AWS_IAM ResourcePolicy: AwsAccountWhitelist: ['123456'] HtmlApi: Type: AWS::Serverless::Api Properties: StageName: Prod