k8s cluster push image internal server error

[wychl]

$ docker push localhost:30081/images:5.0
The push refers to repository [localhost:30081/images]
76c5d4259e40: Retrying in 1 second
4c8e44b308d0: Retrying in 1 second
dc5ef0c854b4: Retrying in 1 second
03eafa792876: Retrying in 1 second
f99f83132c0a: Retrying in 1 second
6270adb5794c: Waiting
received unexpected HTTP status: 500 Internal Server Error

[wychl]

agent log

time="2019-05-27T07:02:13.934588528Z" level=error msg="response completed with error" err.code=unknown err.detail="uploads are disabled" err.message="unknown error" go.version=go1.11.4 http.request.host=registry-backend http.request.id=2962619c-a115-4a71-a59b-ffa53f5dcdcd http.request.method=POST http.request.remoteaddr=172.17.0.1 http.request.uri="/v2/images/blobs/uploads/" http.request.useragent="docker/18.06.2-ce go/go1.10.3 git-commit/6d37f41 kernel/4.15.0 os/linux arch/amd64 UpstreamClient(Docker-Client/18.06.2-ce \(linux\))" http.response.contenttype="application/json; charset=utf-8" http.response.duration=1.47581ms http.response.status=0 http.response.written=0 instance.id=49eef740-6d65-4990-b665-48009ccc801c vars.name=images

[yiranwang52]

Agents cannot handle docker push.

If you use S3 or HDFS as backend, you can push through proxy; If you use another registry as backend, you will need to push to that registry.