inspect

• 用法

Usage: docker inspect [OPTIONS] CONTAINER|IMAGE [CONTAINER|IMAGE...]

Return low-level information on a container or image

-f, --format=         Format the output using the given go template
--help=false          Print usage
-r, --remote=false    Inspect remote images

• 例子

$ sudo docker inspect centos
[
{
    "Id": "770327a1e9e746cf8d4449a7134e87917982b33c7f5cea584d941350f5ead7ac",
    "Parent": "67c02c69a0fc420e781b9a1c676f19306e999aac2cf3ba24dfa4e0b9a5e34b5e",
    "Comment": "",
    "Created": "2015-07-24T01:06:38.020790544Z",
    "Container": "9163378b9f7fe2887bce56cb726c3845ce9af8ebc9cbef30d3af6315429a27ad",
"ContainerConfig": {
    "Hostname": "9163378b9f7f",
    "Domainname": "",
    "User": "",
    "AttachStdin": true,
     ...
     ...
     ...
    }

取出某一个值：

$ sudo docker inspect --format="{{.Id}}" centos
770327a1e9e746cf8d4449a7134e87917982b33c7f5cea584d941350f5ead7ac

• 总结

查看容器运行时详细信息的命令。了解一个Image或者Container的完整构建信息就可以通过这个命令实现。