flocker Problem

[Hibat Allah OU]

Hi ,

I install flocker by using this tutorial https://flocker-docs.clusterhq.com/en/latest/docker-integration/index.html#tutorial

and i have a problem when i try to run this command :  

1. docker run -v apples:/data --volume-driver flocker busybox sh -c "echo hello > /data/file.txt"

I have as error message : docker: Error response from daemon: create apples: create apples: Error lookup volume plugin flocker: plugin not found.

See 'docker run --help'.

Can you help me please 

Implementation environment :  Ubuntu 14.04 

                                             Docker version : 1.12.3

Regards,

Hibat allah