* https://github.com/Yamada-Factory/discord_bot/blob/020332b50b8b3aaa25aa04f745cb1baa37169eaf/bot.rb#L77 * https://github.com/Yamada-Factory/infra/blob/faebd6324ce4c89e059d57e8597d0bb9b7488fe8/k8s/manifests/discord_bot/deployment.yaml#L50
