Docker quick setup for Debian

setup_docker.sh

#!/bin/bash

# Docker quick setup for Debian
if [[ $(id -u) == 0 ]]; then
	echo "Running as root"
	echo "Get updates..." && apt-get update 
	echo "Install dependencies..." && apt-get install ca-certificates curl gnupg

	echo "Adding Docker's GPG key..." && install -m 0755 -d /etc/apt/keyrings
	curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
	chmod a+r /etc/apt/keyrings/docker.gpg

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

  echo "Install Docker Engine..."
  apt-get update && apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
  
  echo "Testing Docker..." && docker run hello-world

	echo "Done!"
else
	echo "Please run as root"
fi