コマンドラインからプラグインを手動で更新する方法

[merefield (Robert)]

これは「開発作業」ではなく、システム管理（SA）だと私は思います。

ガイドはこちらです。

Install plugins on a self-hosted site

This guide assumes that you have a self-hosted standard installation. We only support the standard method of install here, so these instructions assume you have a standard install. This guide only applies to self-hosted Discourse instances. If you are using a managed hosting service, the available plugins are controlled by your hosting provider. For example, on our hosting these specific plugins are available by hosting tier. In this tutorial, we’ll install the Discours…