インストール時にエラーが発生しました

[itsbhanusharma (Bhanu Sharma)]

There is an article about using external postgres which may fit your usecase.

Configure Discourse to use a separate PostgreSQL server

Let’s say you’re using AWS RDS, or an existing PostgreSQL server managed elsewhere. It’s fairly straightforward to get Discourse to use such a setup, without needing to grant superuser privileges to anything that Discourse itself runs. Here’s how. Prerequisites Discourse requires PostgreSQL 13; if you try to run on a newer or older version, it might work, but we don’t guarantee it, and if something breaks in the future, you get to keep both pieces. We also require some extensions that are di…