serverless.yml

service: ddns
frameworkVersion: '2 || 3'

provider:
  name: aws
  runtime: python3.8
  lambdaHashingVersion: '20201221'
  iamRoleStatements:
    - Effect: "Allow"
      Action:
       - route53:Get*
       - route53:List*
       - route53:TestDNSAnswer
       - route53:ChangeResourceRecordSets
      Resource: "*"

functions:
  update-route53:
    handler: update_route53.main
    events:
      - httpApi:
          path: /
          method: get