SAM template for deploying Lambda function

SamTemplate.yaml

AWSTemplateFormatVersion : '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: A hello world application.
Resources:
  HelloWorldFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: index.handler
      Runtime: nodejs4.3
      CodeUri: 's3://bucketname/Archive.zip'
      Environment:
        Variables:
          VariableName: VariableValue