Install Docker with script, with region mirrors

install-docker.sh

#!/usr/bin/env bash

sudo -v

# for ARM
repo=ubuntu
if [[ $(uname -p) == 'arm' ]]
then
  repo=ubuntu_ports
fi

ping google.com -W0.5 -c1
no_google=$?

if [[ $no_google > 0 ]];
then
apt_host=mirrors.tuna.tsinghua.edu.cn
codename=$(lsb_release -c -s)
sudo tee /etc/apt/sources.list > /dev/null << EOF
deb https://${apt_host}/${repo}/ ${codename} main restricted universe multiverse
deb https://${apt_host}/${repo}/ ${codename}-updates main restricted universe multiverse
deb https://${apt_host}/${repo}/ ${codename}-backports main restricted universe multiverse
deb https://${apt_host}/${repo}/ ${codename}-security main restricted universe multiverse
EOF
fi

sudo apt remove docker docker-engine docker.io containerd runc
sudo apt-get install -y apt-transport-https \
    ca-certificates gnupg-agent \
    software-properties-common curl


sudo mkdir -p /etc/apt/keyrings
if [[ $no_google ]]
then
  curl -fsSL http://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/aliyun.docker.gpg
  echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/aliyun.docker.gpg] http://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable" | \
    sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
else
  curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
  echo "deb [arch=$(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
fi

sudo apt update
sudo apt install -y docker-ce