https://zenn.dev/taisukeyabe/articles/7987b507d2cc81
なんで名前解決できねーってエラーメッセージでID/PW書いたら解決します❣ってなるん???
```
web-1 | /opt/mastodon/vendor/bundle/ruby/3.2.0/gems/pg-1.5.5/lib/pg/connection.rb:696:in `async_connect_or_reset': could not connect to server: Connection refused (PG::ConnectionBad)
web-1 | Is the server running on host "126.73.80.14" and accepting
web-1 | TCP/IP connections on port 5432?
web-1 |
```