+ 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...
