多数のビルド後、SSL に問題が発生

[Remah (Just another happy Discourse user)]

@Queth

再構築のたびに LE 証明書が要求されますか？

いいえ。私の知る限り、更新日を確認し、必要な場合に更新されます。

どうやら 7 日間に 5 つの証明書を取得できるようです：

Cloudflare with Discourse

There’s no reason you’d need a different IP. There may be other problems, but this will be a definite blocker. …which is your problem. Let’s Encrypt will only issue five certs for a given set of FQDNs within a week. You exhausted that limit within 45 minutes. Once you did that, any further attempt at installation was guaranteed to fail.