AWS SAM Deploy Template

template.yaml

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

Parameters: 
  Stage:
    Type: String
    AllowedValues: 
      - dev
      - sat
      - demo
      - staging
      - prod
    Description: Enter dev, sat, demo, staging or prod
 
Resources:

  MyApi:
    Type: AWS::Serverless::Api
    Properties:
      StageName: !Ref Stage
      EndpointConfiguration: PRIVATE
      DefinitionBody:
        swagger: '2.0'
        x-amazon-apigateway-policy:
          Version: '2012-10-17'
          Statement:
            - Effect: Allow
              Principal: "*"
              Action: execute-api:Invoke
              Resource:
                - !Sub arn:aws:execute-api:*:*:*/${Stage}/*

  ThumbnailFunction:
    Type: 'AWS::Serverless::Function'
    Properties:
      Runtime: nodejs8.10
      Handler: get-config.handler
      CodeUri: ./functions
      Events:
        ThumbnailApi:
          Type: Api
          Properties:
            RestApiId: !Ref MyApi
            Path: /thumbnail
            Method: GET