安装docker、docker-compose

linux版本：ubuntu20.04

卸载旧版本

apt-get remove docker docker-engine docker.io containerd runc

安装依赖包

apt-get install ca-certificates curl gnupg lsb-release

添加 Docker 的官方 GPG 密钥：

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

使用以下命令设置稳定存储库

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

安装 Docker和docker-compose

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