Volumes

A volume is a data storage area that can be mounted into a container to provide persistent storage. Unlike bind mounts, volumes are independent of the underlying OS and are fully managed by the Docker Engine.
The Volumes interface
A volume with the external flag was created outside of Portainer, which means Portainer has limited knowledge on it compared to one created within Portainer. A label of unused means that Portainer cannot see any applications that are using this volume. This label may also appear on external resources because of the limited information available.
In Portainer you can view a list of the volumes on your environment, add new volumes and remove existing volumes.
Add a new volume
Remove a volume
If you're running Docker Swarm or the Portainer Agent on your environment, you can also browse existing volumes on that environment.
Browse a volume
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Remove a network

Add a new volume

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