02-route53-cname.config

Resources:
  dns:
    Type: AWS::Route53::RecordSet
    Properties:
      HostedZoneId: "__ACCOUNT_DNS_ROUTE53_HOSTED_ZONE_ID__"
      Name: "__DNS_FQDN__"
      Type: "CNAME"
      TTL: "300"
      ResourceRecords: [{ "Fn::GetAtt" : [ {"Ref": "AWSEBEnvironmentName"}, "EndpointURL"] }]

02-route53.config

Resources:
  dns:
    Type: AWS::Route53::RecordSetGroup
    Properties:
      HostedZoneId: "__ACCOUNT_DNS_ROUTE53_HOSTED_ZONE_ID__"
      RecordSets:
        - Name: "__DNS_FQDN__"
          Type: "A"
          AliasTarget:
            HostedZoneId: "__ACCOUNT_ELB_ROUTE53_HOSTED_ZONE_ID__"
            DNSName: { "Fn::GetAtt" : [ "AWSEBLoadBalancer", "DNSName"] }