How to install docker-engine 1.13 on debian Jessie

Question

Following the official documentation from Docker I get only docker-engine 1.12

# apt-cache policy docker-engine
docker-engine:
Installed: 1.12.4-0~debian-jessie
Candidate: 1.12.5-0~debian-jessie
Version table:
 1.12.5-0~debian-jessie 0
    500 https://apt.dockerproject.org/repo/ debian-jessie/main amd64 Packages
*** 1.12.4-0~debian-jessie 0
    500 https://apt.dockerproject.org/repo/ debian-jessie/main amd64 Packages
    100 /var/lib/dpkg/status

How can I install/upgrade to 1.13 ?

I need docker prune system https://stackoverflow.com/a/39860665/3313834

Answer 1

You can install docker 1.13.0-rc4 by running:

curl -fsSL https://test.docker.com/ | sh

Answer 2

Docker has not released 1.13 yet. See the release notes for details on new releases. To get on the RC of 1.13, switch to the testing branch.