Debian - install docker in Debian Jessie

install-docker.sh

#!/bin/bash

# prepare envirionment
sudo apt-get install tmux vim sudo 

add `username` to `sudo` group
usermod -aG sudo `username`


# compiled from https://docs.docker.com/engine/installation/linux/debian/#/debian-jessie-80-64-bit

sudo apt-get update
sudo apt-get upgrade
sudo apt-get dist-upgrade

sudo apt-get install apt-transport-https ca-certificates

# Add the GPG key for Docker repository on your system.
wget https://download.docker.com/linux/debian/gpg 
sudo apt-key add gpg

# Add the official Docker repository to the system by running below command in the terminal.
sudo echo "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable" | sudo tee -a /etc/apt/sources.list.d/docker.list

# Update the apt database.
sudo apt-get update

# Make sure you are installing Docker from the official repository, not from the default Debian repository.
sudo apt-cache policy docker-ce

##Should be:
docker-ce:
  Installed: (none)
  Candidate: 17.12.0~ce-0~debian
  Version table:
     17.12.0~ce-0~debian 0
        500 https://download.docker.com/linux/debian/ jessie/stable amd64 Packages
     17.09.1~ce-0~debian 0
        500 https://download.docker.com/linux/debian/ jessie/stable amd64 Packages
     17.09.0~ce-0~debian 0
        500 https://download.docker.com/linux/debian/ jessie/stable amd64 Packages
     17.06.2~ce-0~debian 0
        500 https://download.docker.com/linux/debian/ jessie/stable amd64 Packages
     17.06.1~ce-0~debian 0
        500 https://download.docker.com/linux/debian/ jessie/stable amd64 Packages
     17.06.0~ce-0~debian 0
        500 https://download.docker.com/linux/debian/ jessie/stable amd64 Packages
     17.03.2~ce-0~debian-jessie 0
        500 https://download.docker.com/linux/debian/ jessie/stable amd64 Packages
     17.03.1~ce-0~debian-jessie 0
        500 https://download.docker.com/linux/debian/ jessie/stable amd64 Packages
     17.03.0~ce-0~debian-jessie 0
        500 https://download.docker.com/linux/debian/ jessie/stable amd64 Packages



sudo apt-get -y install docker-ce

#control docker
sudo systemctl start docker
sudo systemctl enable docker


sudo docker run hello-world

usermod -aG docker $USER
sudo service docker restart