安装 Docker

sudo apt update

sudo apt install \
  apt-transport-https \
  ca-certificates \
  curl \
  gnupg \
  lsb-release -y

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

sudo apt update

sudo apt install docker-ce=5:20.10.8~3-0~ubuntu-focal docker-ce-cli=5:20.10.9~3-0~ubuntu-focal containerd.io=1.4.11-1 -y

安装 Docker Compose

# 在本机的 host 文件中添加 github 相关 ip 地址，遇到 `curl: (7) Failed to connect to raw.githubusercontent.com port 443` 问题，参考 https://github.com/hawtim/blog/issues/10
sudo vim /etc/hosts

# 使 dns 改动生效
sudo systemctl restart systemd-resolved

sudo curl -L --fail https://raw.githubusercontent.com/linuxserver/docker-docker-compose/master/run.sh -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
sudo docker-compose --version