Stopping individual Docker containers before powerdown unRAID

[Marv]

Hi,

 

I'm using the S3 Sleep Plugin to powerdown my server automatically.

What sometimes happens is when powering up again that some of my Docker container's services are not working porperly (e.g. EmbyServer and JDownloader2)

I have to restart those containers to fix this.

 

So Is there a way to gracefully stop these containers before unRAID stops the Docker service and takes the array offline to shutdown?

 

I know there is a 'custom command before sleep' field in the S3 Sleep settings but this just seems to work when using 'sleep' as the execute function.