identijenk Dockerfile need update

[mpechner]

Version of docker-pose changed.

curl -L https://github.com/docker/compose/releases/download/1.8.0/docker-compose-`uname -s-uname -m` > /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose

[nanquanyuhao]

Be of no great importance...