Deploy specific version of Docker-CE on Ubuntu 16.06.04 LTS and pin that version to prevent updates

install-docker-ubuntu-x86_64.sh

#!/bin/bash
set -x
# Instructions from
# https://docs.docker.com/install/linux/docker-ce/ubuntu/#install-docker-ce

# Update the Apt package index
sudo apt-get update

# Install packages to allow apt to use repo over https
sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common
    
# Add Docker's official GPG Key
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

# Verify fingerprint
sudo apt-key fingerprint 0EBFCD88

# Add stable repository
sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"

# Fetch updated package index
sudo apt-get update

# Install specific version of Docker-CE
sudo apt-get install docker-ce=$1

# Pin docker-ce version
sudo apt-mark hold docker-ce

# Post-Install
sudo groupadd docker
sudo usermod -aG docker $USER