sagemaker-ubuntu-focal-docker-cli-install.sh

#!/bin/bash

apt-get update
apt-get install ca-certificates curl gnupg -y
install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
chmod a+r /etc/apt/keyrings/docker.gpg

echo \
  "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
  "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
  tee /etc/apt/sources.list.d/docker.list > /dev/null

apt-get update

# pick the latest patch from:
# apt-cache madison docker-ce | awk '{ print $3 }' | grep -i 20.10
VERSION_STRING=5:20.10.24~3-0~ubuntu-focal
apt-get install docker-ce-cli=$VERSION_STRING docker-compose-plugin -y

# validate the Docker Client is able to access Docker Server at [unix:///docker/proxy.sock]
docker version