Updated on 2026-09-23 GMT+08:00

Obtaining the Config Information of an Image

Function

This API is used to obtain the image config information.

Calling Method

For details, see Calling APIs.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
If you are using identity policy-based authorization, the following identity policy-based permissions are required.

Action

Access Level

Resource Type (*: required)

Condition Key

Alias

Dependencies

swr:repo:getRepoTagConfig

Read

repo *

-

-

-

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
swr:repo:getRepoTagConfig	Read	repo *	-	-	-

URI

GET /v2/manage/namespaces/{namespace}/repos/{repository}/tags/{tag}/config

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
namespace	Yes	String	Organization name Enter 1 to 64 characters, starting with a lowercase letter and ending with a lowercase letter or digit. Only lowercase letters, digits, periods (.), underscores (_), and hyphens (-) are allowed. Periods, underscores, and hyphens cannot be placed next to each other. A maximum of two consecutive underscores are allowed.
repository	Yes	String	Image repository name. The name contains 1 to 128 characters, starting and ending with a lowercase letter or digit. Only lowercase letters, digits, periods (.), slashes (/), underscores (_), and hyphens (-) are allowed. Periods, slashes, underscores, and hyphens cannot be placed next to each other. A maximum of two consecutive underscores are allowed. If the parameter value contains a slash (/), replace it with a dollar sign ($) before sending the request.
tag	Yes	String	Image tag

Request Parameters

None

Response Parameters

Status code: 200

**Table 2** Response body parameters
Parameter	Type	Description
-	String

Example Requests

GET https://{endpoint}/v2/manage/namespaces/{namespace}/repos/{repository}/tags/{tag}/config

Example Responses

Status code: 200

'{\"architecture\":\"amd64\",\"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\":null,\"Image\":\"sha256:46707487451662e1e73783dbc15652f47aa970d670097c3ba5d3a8b258217695\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":null,\"Labels\":null},\"container\":\"8d7f5bb14f04a5133af46d3b5386eb22db0d2ac6759ca14a29da78ce6de51131\",\"container_config\":{\"Hostname\":\"8d7f5bb14f04\",\"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/sh\",\"-c\",\"#(nop) ADD file:b21f345b5228b34cf0cf1840b6ad34f82ef8a67dcca48579cb4e850b61210ac2 in ./ \"],\"Image\":\"sha256:46707487451662e1e73783dbc15652f47aa970d670097c3ba5d3a8b258217695\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":null,\"Labels\":{}},\"created\":\"2026-06-15T11:34:56.576176011Z\",\"docker_version\":\"17.06.1-ce-rc1\",\"history\":[{\"created\":\"2026-06-15T11:34:51.570414484Z\",\"created_by\":\"/bin/sh -c #(nop) ADD file:390bb274680b554bff52c464573e152bb99affac2dcf15a7db920e3a19120911 in ./ \"},{\"created\":\"2026-06-15T11:34:54.400891407Z\",\"created_by\":\"/bin/sh -c #(nop) ADD file:b35aec1b4701f41f8e34c937f9a7e183789697154484a859d0c2fd5ff6421e41 in ./ \"},{\"created\":\"2026-06-15T11:34:56.576176011Z\",\"created_by\":\"/bin/sh -c #(nop) ADD file:b21f345b5228b34cf0cf1840b6ad34f82ef8a67dcca48579cb4e850b61210ac2 in ./ \"}],\"os\":\"linux\",\"rootfs\":{\"type\":\"layers\",\"diff_ids\":[\"sha256:19492fcceac65df11eb6cf171166925eae8ff69a398c4056fba48af07d4dff97\",\"sha256:cb9e8787a9bbdaf932cff30cacdc8d14f297b9dab22dd2cc96f2401540048bb9\",\"sha256:0654966eb0203f59f34b66d77b99bedfa8c87094532ce4e6d0ece3ac317dfaf3\"]}}'

Status Codes

Status Code	Description
200	The image config information has been queried.
400	Request error.
401	Authentication failed.
403	Access denied.
404	Resource not found.
500	Internal error.

Error Codes

See Error Codes.

Parent Topic: Image Tag Management