#!/bin/bash

# Set SUDO prefix
if [ "$EUID" -ne 0 ]; then
    SUDO="sudo"
else
    SUDO=""
fi

echo -e "\n>>> Updating system...\n"
$SUDO apt update

echo -e "\n>>> Upgrading system...\n"
$SUDO apt upgrade -y

echo -e "\n>>> Installing Docker...\n"

$SUDO apt install -y ca-certificates curl
$SUDO install -m 0755 -d /etc/apt/keyrings
$SUDO curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
$SUDO chmod a+r /etc/apt/keyrings/docker.asc

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

$SUDO apt update

$SUDO apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

echo -e "\n>>> Docker installation complete!\n"