【超簡単】Swagger(yaml)にAWS_IAMを設定する方法

---
swagger: "2.0"
info:
  version: "1.0"
  title: "hello-world"
host: "*****.execute-api.ap-northeast-1.amazonaws.com"
basePath: "/api"
schemes:
- "https"
paths:
  /authorizer:
    get:
      produces:
      - "application/json"
      responses:
        "200":
          description: "200 response"
          schema:
            $ref: "#/definitions/Empty"
      security:
      - sigv4: []
      x-amazon-apigateway-integration:
        uri: "arn:aws:apigateway:ap-northeast-1:lambda:path/2015-03-31/functions/arn:aws:lambda:ap-northeast-1:*****:function:chalice-dev/invocations"
        httpMethod: "POST"
        responses:
          default:
            statusCode: "200"
        passthroughBehavior: "when_no_match"
        contentHandling: "CONVERT_TO_TEXT"
        type: "aws_proxy"
securityDefinitions:
  sigv4:
    type: "apiKey"
    name: "Authorization"
    in: "header"
    x-amazon-apigateway-authtype: "awsSigv4"
definitions:
  Empty:
    type: "object"
    title: "Empty Schema"
x-amazon-apigateway-binary-media-types:
- "application/octet-stream"
- "application/x-tar"
- "application/zip"
- "audio/basic"
- "audio/ogg"
- "audio/mp4"
- "audio/mpeg"
- "audio/wav"
- "audio/webm"
- "image/png"
- "image/jpg"
- "image/jpeg"
- "image/gif"
- "video/ogg"
- "video/mpeg"
- "video/webm"