自托管升级到3.1.0.beta2，典型的多容器安装需要额外的停机时间

[mcdanlj (Michael K Johnson)]

我看到了 SKIP_POST_DEPLOYMENT_MIGRATIONS 文档。我真正错过了的是这篇展示如何使用 launcher 进行零停机部署的帖子：

Zero Downtime Upgrades

We successfully performed the upgrade a couple of months ago. I’m posting our experience here for anyone who may have the same question in the future. Discourse somewhat supports zero downtime upgrades by using post deployment migrations. The overall process, as we understood it, can be divided in 2 steps. STEP 1: Upgrade to the new version and run safe migrations: Update all your plugins and themes to be compatible with the new version. (This is actually quite a bit of work depending on you…

现在我必须考虑这一点，因为我知道它是可行的。如果我这样做，我会更新 MKJ's Opinionated Discourse Deployment Configuration

当我为我业余时间免费运行的服务提供四九，有时四个半九的可用性时，我一直很难对此感到兴奋。这证明了 Discourse 开发的质量，我可以在通过所有测试的策略下做到这一点，包括像这次看到的一分钟左右的停机时间，以及有时为了安全更新而重启主机。