skopeo --debug inspect  docker://nixery.dev/shell
DEBU[0000] reference rewritten from 'nixery.dev/shell:latest' to 'nixery.dev/shell:latest'
DEBU[0000] Trying to access "nixery.dev/shell:latest"
DEBU[0000] Credentials not found
DEBU[0000] Using registries.d directory /etc/containers/registries.d for sigstore configuration
DEBU[0000]  No signature storage configuration found for nixery.dev/shell:latest
DEBU[0000] Looking for TLS certificates and private keys in /etc/docker/certs.d/nixery.dev
DEBU[0000] GET https://nixery.dev/v2/
DEBU[0000] Ping https://nixery.dev/v2/ status 200
DEBU[0000] GET https://nixery.dev/v2/shell/manifests/latest
DEBU[0000] Downloading /v2/shell/blobs/sha256:3468a85bf0f210bd0441a89c0a60ab5c077a36b956bce8dcdd0d0cece1e8ea08
DEBU[0000] GET https://nixery.dev/v2/shell/blobs/sha256:3468a85bf0f210bd0441a89c0a60ab5c077a36b956bce8dcdd0d0cece1e8ea08
DEBU[0000] Credentials not found
DEBU[0000] Using registries.d directory /etc/containers/registries.d for sigstore configuration
DEBU[0000]  No signature storage configuration found for nixery.dev/shell:latest
DEBU[0000] Looking for TLS certificates and private keys in /etc/docker/certs.d/nixery.dev
DEBU[0000] GET https://nixery.dev/v2/
DEBU[0000] Ping https://nixery.dev/v2/ status 200
DEBU[0000] GET https://nixery.dev/v2/shell/tags/list
FATA[0000] Error determining repository tags: Error fetching tags list: invalid status code from registry 404 (Not Found)