Debian安装docker

1、更新您的软件包索引和已安装软件包：

1 2	sudo apt-get update sudo apt-get upgrade

2、安装所需的软件包以允许apt通过HTTPS使用存储库：

1	sudo apt-get install apt-transport-https ca-certificates curl gnupg lsb-release

3、添加Docker官方GPG密钥：

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

4、指定Docker的APT存储库（根据您的Debian版本选择适当的命令）：

For Debian 10 Buster:

1	echo "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian buster stable" \| sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

For Debian 11 Bullseye:

1	echo "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian bullseye stable" \| sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

5、再次更新软件包索引并安装最新版本的Docker Engine和其他工具：

1 2	sudo apt-get update sudo apt-get install docker-ce docker-ce-cli containerd.io

6、确认Docker已正确安装并正在运行：

1	sudo systemctl status docker

如果Docker正在运行，则输出应类似于以下内容：

● docker.service - Docker Application Container Engine
   Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
   Active: active (running) since Mon 2022-03-14 16:44:39 UTC; 17s ago
     Docs: https://docs.docker.com
 Main PID: 1758 (dockerd)
    Tasks: 13
   Memory: 96.7M
   CGroup: /system.slice/docker.service
           ├─1758 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
           └─1768 containerd --config /var/run/containerd/containerd.toml --log-level info

Mar 14 16:44:39 debian systemd[1]: Starting Docker Application Container Engine...
Mar 14 16:44:39 debian dockerd[1758]: time="2022-03-14T16:44:39.742380950Z" level=info msg="Starting up"
Mar 14 16:44:39 debian dockerd[1758]: ......
Mar 14 16:44:39 debian dockerd[1758]: time="2022-03-14T16:44:39.890801274Z" level=info msg="API listen on /var/run/docker.sock"
Mar 14 16:44:39 debian systemd[1]: Started Docker Application Container Engine.