cert-manager configuration: ACME HTTP-01 challenges| cert-manager
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+ tl;dr - I go through upgrading cert-manager (formerly known as kube-lego) from version 0.4.0 to 0.9.0 (due to deprecations of cert-manager 0.8.1 and lower) to 0.16.0. After upgrading to well known issues with the upgrade from v0.15 to v0.16 make me downgrade to v0.15. Background Let’s Encrypt is legitimately one of the best things to happen to the internet in the last decade. For those who like to build distributed systems or over-invest in building platforms to depoy only a handful of ap...| vadosware.io
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+ + tl;dr - You’re going to want to use a Hetzner-external resolver (1.1.1.1/8.8.8.8/9.9.9.9) if you’re going to attempt to resolve your own server’s address(es) from your own server. This is a variation of an issue that has already been discussed some on reddit, but it’s not about Hetzner DNS being down but more about recursive queries not working (and finding this via cert-manager running on a Kubernetes cluser).| vadosware.io