The *cert-exporter* script really only needs the SSH host key for Gitea,
so the dynamic host key fetch is overkill. Since it frequently breaks
for various reasons, it's probably better to just have a static list of
trusted keys.
Hatch Learning Center has several domains; Tabitha couldn't decide which
she liked best :) At present, they all resolve to the same website, with
_hatchlearningcenter.org_ as the canonical name.
If I remember to add the _acme-challenge CNAME record *before* applying
the Certificate resource, it takes a little under 5 minutes to issue a
new certificate.
The `cert-exporter` tool fetches certificates from Kubernetes Secret
resources and commits them to a Git repository. This allows
certificates managed by *cert-manager* to be used outside the Kubernetes
cluster, e.g. for services running on other virtual machines.