Mappings: Parameters: Stage: Type: String Default: beta Deployment: Type: String Default: AllAtOnce Custom: Type: String Default: CustomDeployment Resources: MinimalFunction: Type: AWS::Serverless::Function Properties: CodeUri: s3://sam-demo-bucket/hello.zip Handler: hello.handler Runtime: python2.7 AutoPublishAlias: live DeploymentPreference: Type: TestDeploymentConfiguration