aws-amplify-alpha: Add support for custom ACM cert

[thedevopsguyblog]

Describe the feature

Hello,

In the UI their is an option to specify a custom SSL cert that is provisioned via ACM.

Using the aws-amplify-alpha construct it would be handy if i could specify a SSL cert I would like to use.

Use Case

I know Specifically in the case when i want to provision my own cert for a custom domain name in cognito and use the same cert for my frontend.

Proposed Solution

1. Provision the ACM managed cert in a separate stack

      new cdk.aws_certificatemanager.Certificate(this, 'Certificate', {
        domainName: props!.envVars.FQDN,
        validation: cdk.aws_certificatemanager.CertificateValidation.fromDns(importedHostedZone),
        subjectAlternativeNames:[
            `*.${props!.envVars.FQDN}`,
            `*.api.${props!.envVars.FQDN}`,
            `*.auth.${props!.envVars.FQDN}`,
        ]
      });
    }

2. In the stack where we define the FE app

new amplifyAlpha.App(this, 'mySubAmpHosting', {
...
acmCert:{
 fromCertificateArn:`xxx`
}
})

Other Information

No response

Acknowledgements

• I may be able to implement this feature request
• This feature might incur a breaking change

CDK version used

2.143.0 (build 9f2bdf7)

Environment details (OS name and version, etc.)

macOS Ventura - 13.6.3

[khushail]

Hi @thedevopsguyblog , thanks for reaching out.

I see that CertificateSettings prop is supported by the cloudformation, and is missing from the alpha module. This prop support providing AWS managed or Custom certificates, hence is suitable for your usecase.
However I am marking this issue as P3, requesting contributions from the community in this regard.

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