docker info 是 Docker 提供的一个重要命令，用于查看当前 Docker 系统的详细信息，
包括 Docker 版本、容器和镜像统计、存储驱动、网络配置、操作系统信息等
这个命令常用于诊断 Docker 环境问题、确认配置是否正确，或了解系统资源情况

主要信息说明：
Containers: 显示容器总数、运行中、暂停和停止的数量
Images: 本地存储的镜像数量
Storage Driver: 使用的存储驱动（通常是 overlay2）
Server Version: Docker 引擎版本
CPUs/Memory: 主机的 CPU 和内存资源
Docker Root Dir: Docker 数据存储的根目录
Operating System: 主机操作系统信息


docker info
Client:
 Context:    default
 Debug Mode: false

Server:
 Containers: 9
  Running: 9
  Paused: 0
  Stopped: 0
 Images: 15
 Server Version: 23.0.0
 Storage Driver: overlay2
  Backing Filesystem: xfs
  Supports d_type: true
  Using metacopy: false
  Native Overlay Diff: true
  userxattr: false
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Cgroup Version: 1
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: inactive
 Runtimes: io.containerd.runc.v2 runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 31aa4358a36870b21a992d3ad2bef29e1d693bec
 runc version: v1.1.4-0-g5fd4c4d
 init version: de40ad0
 Security Options:
  seccomp
   Profile: builtin
 Kernel Version: 4.19.90-89.11.v2401.ky10.aarch64
 Operating System: Kylin Linux Advanced Server V10 (Halberd)
 OSType: linux
 Architecture: aarch64
 CPUs: 96
 Total Memory: 254.2GiB
 Name: localhost.localdomain
 ID: bdc1ca0b-5931-419d-8ffd-9e364282c195
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Registry: https://index.docker.io/v1/
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: false
 Product License: Community Engine