Emoji Lambda function SAM template

template.yml

AWSTemplateFormatVersion : '2010-09-09'
Transform: AWS::Serverless-2016-10-31

Description: Emoji Service
Resources:
  SearchEmojis:
    Type: AWS::Serverless::Function
    Properties:
      Runtime: go1.x
      Handler: handler
      Environment:
        Variables:
          SOURCE_URL: https://raw.githubusercontent.com/github/gemoji/master/db/emoji.json
      Events:
        RootHandler:
          Type: Api
          Properties:
            Path: '/'
            Method: get

Outputs:
  Endpoint:
    Value: !Sub "https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/"