api.openapi.yml

swagger: '2.0'
info:
  version: '1'
  title: !Ref AWS::StackName
host: dummy.execute-api.us-east-1.amazonaws.com
basePath: /dummy
schemes: [https]

x-default-request: &request
  responses:
    200:
      description: "200 response"
      schema:
        $ref: "#/definitions/Empty"
  x-amazon-apigateway-request-validator: all
  x-amazon-apigateway-integration:
    responses:
      default:
        statusCode: 200
    uri: !Sub arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${Lambda.Arn}/invocations
    passthroughBehavior: when_no_match
    httpMethod: POST
    type: aws_proxy

paths:

  /:
    get:
      <<: *request
      x-amazon-apigateway-integration:
        responses:
          default:
            statusCode: 200
        passthroughBehavior: when_no_match
        requestTemplates:
          application/json: "{\"statusCode\": 200}"
        type: mock


  /{proxy+}:
    get:
      <<: *request
    head:
      <<: *request