https://pvision.jp/tech/2022/06/install-redmine-5-0-on-ubuntu-with-ruby-3-1/
https://pvision.jp/tech/2021/12/redmine-4-2-installation-to-ubuntu/
https://pvision.jp/tech/2022/06/redmine-5-0-installation-to-ubuntu/
https://pvision.jp/tech/2022/06/redmine-https-cors-support-by-reverse-proxy-server/