First, read and check which Docker server supports which Dockerfile version.
Next, upgrade your Docker Engine. This will work for either new or existing installation.
$ sudo apt-get remove docker docker-engine docker.io
$ sudo apt-get update
$ sudo apt-get install linux-image-extra-$(uname -r) linux-image-extra-virtual \
apt-transport-https ca-certificates curl software-properties-common
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
$ sudo add-apt-repository \
"deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
$ sudo apt-get update
$ sudo apt-get install docker-ce
Next, check your Docker client and server version.
$ docker version
Client:
Version: 17.06.0-ce
API version: 1.30
Go version: go1.8.3
Git commit: 02c1d87
Built: Fri Jun 23 21:18:10 2017
OS/Arch: linux/amd64
Server:
Version: 17.06.0-ce
API version: 1.30 (minimum version 1.12)
Go version: go1.8.3
Git commit: 02c1d87
Built: Fri Jun 23 21:17:03 2017
OS/Arch: linux/amd64
Experimental: false
For Docker Compose, just install or upgrade the software through Python package manager, pip.
$ sudo -H pip install docker_compose --upgrade
Check the installed version just to verify it.
$ docker-compose version
docker-compose version 1.14.0, build c7bdf9e
docker-py version: 2.3.0
CPython version: 2.7.13
OpenSSL version: OpenSSL 1.0.1t 3 May 2016
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