stack.yml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: A serverless Gift Idea as a Service API
Resources:
  MyApi:
    Type: AWS::Serverless::Api
    Properties:
        StageName: prod
        DefinitionBody:
            swagger: 2.0
            info:
              title:
                Ref: AWS::StackName
            paths:
              "/gifts":
                get:
                  x-amazon-apigateway-integration:
                    httpMethod: POST
                    type: aws_proxy
                    uri:
                      Fn::Sub: arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${MyLambdaFunction.Arn}/invocations
                  responses: {}

  MyLambdaFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: index.handler
      Runtime: python3.6
      CodeUri: ./code
      Events:
        GetApi:
          Type: Api
          Properties:
            Path: /gifts
            Method: GET
            RestApiId:
                Ref: MyApi

Outputs:
  GiftsEndpoint:
    Value: !Sub 'https://${MyApi}.execute-api.${AWS::Region}.amazonaws.com/prod/gifts'