Description:

When creating multiple AWS::Serverless::Api resources, with Domain and Route53 properties, only one gateway has a record set created when rendered to CloudFormation template from SAM.

  ApiGatewayAdmin:
    Type: AWS::Serverless::Api
    Properties:
      Name: !Join ["-", ["App", !Ref EnvironmentName, "Web"]]
      StageName: !Ref EnvironmentName
      TracingEnabled: true
      MethodSettings:
        - LoggingLevel: Info
          ResourcePath: '/*'
          HttpMethod: '*'
      Domain:
        DomainName: !Join [".", ["admin", !Ref EnvironmentName, !Ref DomainName]]
        CertificateArn: !Ref Certificate
        EndpointConfiguration: REGIONAL
        Route53:
          HostedZoneId: !Ref HostedZone
      EndpointConfiguration:
        Type: REGIONAL

I have three objects exactly identical as above with only changes to the DomainName to make it unique and possibly co-incidentally, the API which successfully has its record set created is the final API object in the YAML before function definitions.

Steps to reproduce:

• Create three API resources, with DomainName and Route53 configuration sharing the same hosted zone
• Render template to CloudFormation

Observed result:

CloudFormation template output only contains a single record set, in my case, the last defined API resource.

Expected result:

A record set and domain name for each API resource

Additional environment details (Ex: Windows, Mac, Amazon Linux etc)

1. OS: MacOS, Linux (Alpine, Ubuntu)
2. sam --version: SAM CLI, version 1.2.0

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