7. 查看镜像详情

使用 docker inspect 命令可以查看一个镜像的信息，包括镜像的 CPU 架构 Architecture 和镜像的宿主操作系统 Os 等信息。

信息默认是以 JSON 格式显示，也可以通过 -f 选项重新定义格式。

docker inspect 命令

命令格式

docker inspect 镜像ID
# 或
docker inspect 镜像名称[:标签名]

示例:

显示 ubuntu:24.04 镜像的信息

weimingze@mzstudio:~$ sudo docker inspect ubuntu:24.04
[
    {
        "Id": "sha256:602eb6fb314b5fafad376a32ab55194e535e533dec6552f82b70d7ac0e554b1c",
        "RepoTags": [
            "myubuntu:latest",
            "myubuntu:release",
            "ubuntu:24.04"
        ],
        "RepoDigests": [],
        "Parent": "",
        "Comment": "",
        "Created": "2025-04-08T10:43:15.147460451Z",
        "DockerVersion": "24.0.7",
        "Author": "",
        "Config": {
            "Hostname": "",
            "Domainname": "",
            "User": "",
            "AttachStdin": false,
            "AttachStdout": false,
            "AttachStderr": false,
            "Tty": false,
            "OpenStdin": false,
            "StdinOnce": false,
            "Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
            ],
            "Cmd": [
                "/bin/bash"
            ],
            "Image": "sha256:9e8e73ef7ecf9677998352379644674e54a6b3104ae7da6d1204d83a4118826f",
            "Volumes": null,
            "WorkingDir": "",
            "Entrypoint": null,
            "OnBuild": null,
            "Labels": {
                "org.opencontainers.image.ref.name": "ubuntu",
                "org.opencontainers.image.version": "24.04"
            }
        },
        "Architecture": "amd64",
        "Os": "linux",
        "Size": 78102235,
        "GraphDriver": {
            "Data": {
                "MergedDir": "/var/lib/docker/overlay2/cd76bb5aae922326889b8ee6807cb7d32f5fe329f88c6d0f217dbf69cdc8bdee/merged",
                "UpperDir": "/var/lib/docker/overlay2/cd76bb5aae922326889b8ee6807cb7d32f5fe329f88c6d0f217dbf69cdc8bdee/diff",
                "WorkDir": "/var/lib/docker/overlay2/cd76bb5aae922326889b8ee6807cb7d32f5fe329f88c6d0f217dbf69cdc8bdee/work"
            },
            "Name": "overlay2"
        },
        "RootFS": {
            "Type": "layers",
            "Layers": [
                "sha256:3abdd8a5e7a8909e1509f1d36dcc8b85a0f95c68a69e6d86c6e9e3c1059d44b3"
            ]
        },
        "Metadata": {
            "LastTagTime": "2025-06-19T18:21:27.240834391+08:00"
        }
    }
]
weimingze@mzstudio:~$

上述信息中的内容解析：