nginx-ingress, cert-manager, and default wildcard certificates
Friday, January 28, 2022
I have quite a few internal only services running on my Kubernetes cluster. For all these services I wanted to use SSL, but using the default method of getting an ACME certificate from Let’s Encrypt (HTTP-01) wouldn’t work due to my setup. I also didn’t want to have to generate a certificate for every service I decided to spin up. Using cert-manager I was able to generate an ACME wildcard certificate and then set it to the default certificate on the nginx-ingress.
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