Fix Docker Push Denied: Check Image Tags and Docker Hub Permissions

If docker push to Docker Hub returns denied: requested access to the resource is denied, first check the namespace in the image name and the account’s write access to the destination repository. A successful login alone does not grant write access to that repository.

AI-generated illustration of a local image being sent to a registry repository

This article covers Docker Hub and is based on the official Docker publishing guide, checked on November 15, 2026. The commands are illustrative and were not run against a registry.

The image name selects the destination

A Docker Hub image name generally has the form NAMESPACE/REPOSITORY:TAG. The namespace is a Docker ID or an organization to which you can push. Omitting it, as in myapp:1.0, can direct the push to a default namespace instead of your intended personal repository. An omitted tag defaults to latest. A tag can identify a release but is not immutable. Image names and tags

For example, if the local image is myapp:1.0 and the Docker ID is exampleuser, add the destination name as follows. Replace the example account and repository with your own.

docker tag adds another name to an existing image. Check that the build output and destination name refer to the same image ID. An incorrect local name or tag can produce a local image-not-found error, which is different from a registry authorization denial.

By default, docker login targets Docker Hub. Follow its authentication flow and keep passwords and tokens out of command-line arguments, logs, and repositories. In CI, use standard input for login and the CI system’s secret store. The account or token still needs write access to the destination repository.

After a successful upload, record the printed digest and destination tag and check the repository on Docker Hub. You can verify a public repository by pulling from another environment; a private one requires read access. Tags can later point to different images, so consider a digest when the deployment must refer to a fixed artifact. Push command

If access is still denied

Destination: Check that the repository name in the output exactly matches the intended Docker ID or organization. For an organization repository, verify organizational write access.

Identity: Check whether the signed-in account and the credentials used in CI match, and whether the token is valid and has write scope. Running under sudo or another OS user can use different Docker settings. Compare the execution user in the shell and CI.

Repository state: Check the spelling, whether the repository exists, and organization policy. Automatic repository creation and visibility depend on service settings, so verify them in Docker Hub beforehand.

Another registry: A name such as registry.example.com/team/myapp:1.0 targets that host, not Docker Hub. Log in to that host and check its project and permission rules.

Docker’s official guide likewise recommends checking login and the username in the image tag for this error. Making the repository public or granting administrator access is not a necessary first step.

Related article: Docker ECR 사용 시 no basic auth credentials 오류 원인과 해결법 covers AWS ECR and credentials under different users.