cannot use source images from a different registry than the

Error message

cannot use source images from a different registry than the target image: %s != %s

What it means

Error "cannot use source images from a different registry than the target image: %s != %s" thrown in docker/cli.

Source

Thrown at cli/command/manifest/push.go:147

			imageManifest.Descriptor.Platform.Architecture == "" ||
			imageManifest.Descriptor.Platform.OS == "" {
			return nil, fmt.Errorf("manifest %s must have an OS and Architecture to be pushed to a registry", imageManifest.Ref)
		}
		descriptor, err := buildManifestDescriptor(targetRepo, imageManifest)
		if err != nil {
			return nil, err
		}
		descriptors = append(descriptors, descriptor)
	}

	return manifestlist.FromDescriptors(descriptors)
}

func buildManifestDescriptor(targetRepo reference.Named, imageManifest types.ImageManifest) (manifestlist.ManifestDescriptor, error) {
	manifestRepoHostname := reference.Domain(reference.TrimNamed(imageManifest.Ref))
	targetRepoHostname := reference.Domain(reference.TrimNamed(targetRepo))
	if manifestRepoHostname != targetRepoHostname {
		return manifestlist.ManifestDescriptor{}, fmt.Errorf("cannot use source images from a different registry than the target image: %s != %s", manifestRepoHostname, targetRepoHostname)
	}

	manifest := manifestlist.ManifestDescriptor{
		Descriptor: distribution.Descriptor{
			Digest:    imageManifest.Descriptor.Digest,
			Size:      imageManifest.Descriptor.Size,
			MediaType: imageManifest.Descriptor.MediaType,
		},
	}

	platform := types.PlatformSpecFromOCI(imageManifest.Descriptor.Platform)
	if platform != nil {
		manifest.Platform = *platform
	}

	if err := manifest.Descriptor.Digest.Validate(); err != nil {
		return manifestlist.ManifestDescriptor{}, fmt.Errorf("digest parse of image %q failed: %w", imageManifest.Ref, err)
	}

View on GitHub (pinned to e9452d6e78)

When it happens

Trigger: Thrown at cli/command/manifest/push.go:147 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of docker/cli@e9452d6e78 (2026-08-01). Data as JSON: /data/errors/84dd0627dbe570c2.json. Report an issue: GitHub.