Remove a Volume
In portainer you can remove volumes, but please note the volume needs to be unattached from any container beforehand.
Unattaching a volume from a container
To remove the volume that is attached to a container, go to Applications and select the App.
Click Edit this application.
Scroll down to the section Persisting Data and click the trash basket icon.
You will see the volume label with a strikethrough effect.
Scroll down anc click Update Application.
A warning will pop up. Click Update to confirm.
Removing a Volume
If your volume is free you can delete it.
First click Volumes, select the volume you want delete, and click Remove.
You will be asked for confirmation, click Remove to confirm.
If everything works as expected, you will see a pop up confirmating this action: