#!/bin/bash

if [ "$(id -u)" != "0" ]; then
    echo -e "\033[31mThis script requires superuser rights.\033[0m"
    exit 0
fi

trap 'echo -e "\033[31mSomething went wrong\033[0m"; exit 1' EXIT
set -e

export DEBIAN_FRONTEND=noninteractive

apt install -y apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/trusted.gpg.d/docker.gpg
add-apt-repository -y "deb [arch=amd64] https://download.docker.com/linux/ubuntu focal stable"
apt update -y
apt install -y docker-ce

trap - EXIT
echo "Docker installed"