docker遠程倉庫鏡像刪除

1、 查看倉庫中的鏡像

curl -X GET http://registry.test.cn:5000/v2/_catalog |python -m json.tool

{ 
    "repositories": [
        "nginx",
        "grafana"
    ]
}

2、 查看某個鏡像的標簽列表

curl -X GET http://registry.test.cn:5000/v2/grafana/tags/list |python -m json.tool

{
    "name": "grafana",
    "tags": [
        "v3.11.82",
        "latest"
    ]
}

3、 查看某個鏡像的digest值

curl  -I -X GET http://registry.test.cn:5000/v2/grafana/manifests/v3.11.82

HTTP/1.1 200 OK
Content-Length: 5805
Content-Type: application/vnd.docker.distribution.manifest.v1+prettyjws
Docker-Content-Digest: sha256:2d6ff127dd79779c7a4c0e42975ddec4d7243019946e0a53084c8107a736f9e5
Docker-Distribution-Api-Version: registry/2.0
Etag: "sha256:2d6ff127dd79779c7a4c0e42975ddec4d7243019946e0a53084c8107a736f9e5"
Date: Wed, 04 Mar 2020 09:48:38 GMT

4、 刪除某個鏡像的某個版本

curl  -X DELETE http://registry.test.cn:5000/v2/grafana/manifests/v3.11.82
或者
curl  -X DELETE http://registry.test.cn:5000/v2/grafana/manifests/sha256:2d6ff127dd79779c7a4c0e42975ddec4d7243019946e0a53084c8107a736f9e5

{"errors":[{"code":"UNSUPPORTED","message":"The operation is unsupported."}]}

參考：
https://segmentfault.com/q/1010000006127473
參考官方文檔：https://docs.docker.com/registry/spec/api/#/deleting-an-image