Will the old certificate expire after regenerating a certificate for same domain?

Hi, I use lets encrypt for generating certificates in k8s, I also want to generate the certificate in other places(CDN), will the old certificate expire if I generate a new certificate for the same domain?

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No, you can have multiple active certificate. You can, if you really need to, revoke a certificate, but generally there is no need to do that unless the private key has been exposed.

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Thanks a lot. I just don't want to sync the certificates from k8s.

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There are clients and systems that can do this in the cloud for you. I think the caddy server can save to S3. that would let you sync multiple k8s and cdns to the same cert.

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