install Docker.debian

install.sh

# https://docs.docker.com/install/linux/docker-ce/debian/#set-up-the-repository
$ apt-get remove docker docker-engine docker.io
$ apt-get update -y
$ apt-get install -y \
     apt-transport-https \
     ca-certificates \
     curl \
     gnupg2 \
     software-properties-common
$ curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -

# Verify that you now have the key with the fingerprint 9DC8 5822 9FC7 DD38 854A E2D8 8D81 803C 0EBF CD88
$ apt-key fingerprint 0EBFCD88
$ add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/debian \
   $(lsb_release -cs) \
   stable"
$ apt-get update
$ apt-get install docker-ce