install_docker.sh

#!/bin/sh

set -eu

# Docker
sudo apt remove --yes docker docker-engine docker.io \
    && sudo apt update \
    && sudo apt --yes --no-install-recommends install \
        apt-transport-https \
        ca-certificates \
    && wget --quiet --output-document=- https://download.docker.com/linux/ubuntu/gpg \
        | sudo apt-key add - \
    && sudo add-apt-repository \
        "deb [arch=$(dpkg --print-architecture)] https://download.docker.com/linux/ubuntu \
        $(lsb_release --codename --short) \
        stable" \
    && sudo apt update \
    && sudo apt --yes --no-install-recommends install docker-ce \
    && sudo usermod --append --groups docker "$USER" \
    && sudo systemctl enable docker \
    && printf '\nDocker installed successfully\n\n'