ubuntu的docker安装

for pkg in docker.io docker-doc docker-compose docker-compose-v2 podman-docker containerd runc; do sudo apt-get remove $pkg; done

# 添加密钥
sudo apt-get update         //更新现有的软件包列表
sudo apt-get install ca-certificates curl  //安装ca-certificates和curl
sudo install -m 0755 -d /etc/apt/keyrings  //创建密钥环目录
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc  //下载并保存Docker的GPG密钥
sudo chmod a+r /etc/apt/keyrings/docker.asc  //更改密钥文件的权限，使其可读

# 添加Docker仓库到APT源列表
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
sudo apt-get update  //再次更新软件包列表，让APT知道新添加的仓库

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

docker --version  //检查Docker是否安装成功
docker compose version  //检查Docker Compose插件是否安装成功
docker buildx version  //检查Docker Buildx是否安装成功