custom-domain-edge.yaml

AWSTemplateFormatVersion: 2010-09-09

Parameters:

  HostedZoneId:
    Type: AWS::Route53::HostedZone::Id
    Description: The ID of the hosted zone to which the resource record should be added
  Domain:
    Type: String
    Description: The Domain name for the API

Resources:

  DomainName:
    Type: AWS::ApiGateway::DomainName
    Properties:
      CertificateArn:
        Ref: Certificate
      DomainName:
        Ref: Domain
      EndpointConfiguration:
        Types:
          - EDGE
      SecurityPolicy: TLS_1_2

  Certificate:
    Type: AWS::CertificateManager::Certificate
    Properties:
      DomainName:
        Ref: Domain
      ValidationMethod: DNS
      DomainValidationOptions:
        - DomainName:
            Ref: Domain
          HostedZoneId:
            Ref: HostedZoneId

  RecordSet:
    Type: AWS::Route53::RecordSet
    Properties:
      HostedZoneId:
        Ref: HostedZoneId
      Name:
        Ref: Domain
      Type: A
      AliasTarget:
        HostedZoneId:
          Fn::GetAtt: DomainName.DistributionHostedZoneId
        DNSName:
          Fn::GetAtt: DomainName.DistributionDomainName

Outputs:

  DomainName:
    Description: The Domain name
    Value:
      Ref: Domain
    Export:
      Name:
        Fn::Sub: ${AWS::StackName}-DomainName