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Pretty sure this is because there’s a list rather than a map being used under the hood upstream :/

yep, I think it's related to this
<https://github.com/terraform-providers/terraform-provider-aws/issues/8531>

<@U011THZCF5L> are the sans dynamically generates?

<@UHTP242EB> no, they are defined in the stack yml

<@UCWG26BH7> thank you i fixed reading the issue

I wasted all day creating a certificate, shame on me

If they are hard coded / defined then you can stem the pain using ignoreChanges

So your resource would look like

Const cert = new aws.route53.Cert(“name”, {
    Params here
}, {
    ignoreChanges: [“subjectAlternativeNames”]
});

This will stop the continual changes while we can investigate

<@U011THZCF5L> I was curious if there was a better solution, and there is! Just sorry the list
```let records = ["a", "b", "c"]
let sans = []
for (let record of records) {
    sans.push(`${record}.${domain}`)
}
const cert = new aws.acm.Certificate("test", {
    domainName: domain,
        subjectAlternativeNames: sans.sort(),
        validationMethod: "DNS",
})```

this worked for me, give it a try and let me know if it works for you

<@UCWG26BH7> i try sort the list, but if you see the images that i send,  the stack store sans in random order

interesting, which aws region are you using?