heroku config:get <KEY>
Display a single config value for an app
Arguments
| Name | Description | 
|---|---|
| KEY | 
Options
| Name | Description | 
|---|---|
| -a, --app  <app> | App to run command against | 
| -r, --remote  <remote> | Git remote of app to use | 
| -s, --shell | Output config vars in shell format |