install.sh

#!/usr/bin/env bash

set -e

if ! docker --version &>/dev/null; then
  echo "Docker not found. Installing Docker..."

  sudo apt-get update

  sudo apt-get install ca-certificates curl gnupg lsb-release

  sudo install -m 0755 -d /etc/apt/keyrings
  curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
  sudo 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 \
    $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

  sudo apt-get update

  sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
  sudo docker --version
else
  sudo docker --version
fi