[英]Heroku: RAILS_ROOT returns app folder instead of root folder
I have this RoR app that calls to RAILS_ROOT. 我有这个调用RAILS_ROOT的RoR应用程序。 When running it using rails server (or when checking with
./script/console
) the value contains the app's root. 使用rails服务器运行它时(或使用
./script/console
检查时),该值包含应用程序的根目录。 When deploying and running it with Heroku, however (or when checking with heroku console
), the returned path is '/app'. 但是,当使用Heroku部署和运行它时(或者使用
heroku console
检查时),返回的路径为'/ app'。
Why's that? 为什么?
Thanks 谢谢
Because on heroku your app is in the /app
folder (from the root /
). 因为在heroku上你的应用程序位于
/app
文件夹中(来自root /
)。 It is NOT the app folder of your application, which is /app/app
. 它不是您的应用程序的app文件夹,即
/app/app
。
The file structure is: 文件结构是:
/app/app/...
/app/config/..
/app/Gemfile
...
You can make an experiment. 你可以做一个实验。
Run heroku console and discover the file structure. 运行heroku控制台并发现文件结构。
> heroku console
> puts `ls`
> puts `pwd`
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