官方安装手册地址：https://docs.docker.com/engine/install/ubuntu/

首先配置安装依赖

sudo apt-get update
sudo apt-get install \
    ca-certificates \
    curl \
    gnupg \
    lsb-release

添加  GPG KEY

sudo mkdir -p /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

配置官方源

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

执行更新 apt 索引

sudo apt-get update

开始安装最新docker和配套工具

sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin

验证是否安装成功

sudo docker run hello-world