参考 https://docs.docker.com/engine/install/ubuntu/

安装 docker apt key

install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
chmod a+r /etc/apt/keyrings/docker.asc

添加 docker 源

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

安装 docker

apt update
apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

配置 docker 引擎代理

参考 https://docs.docker.com/config/daemon/proxy/

nano /etc/docker/daemon.json

输入 json 格式配置

{
  "proxies": {
    "http-proxy": "http://proxy.example.com:3128",
    "https-proxy": "https://proxy.example.com:3129",
    "no-proxy": "*.test.example.com,.example.org,localhost,127.0.0.0/8"
  }
}