ResolveRegistryAuthentication will find a compatible AuthBackend for the given repository.

CredentialsFile is the struct that represents the contents of the "auth.json" file that stores or references credentials that enable authentication into specific registries or even repositories.

EncAuth represents a single registry (or specific repository) and the associated base64 encoded auth token.

ImageSpecs holds each of the components of a full container image identifier, such that we can ask questions about it.

PullConfig represents the necessary information needed for an image pull query.

RegistryAuthConfig represents the actualized authentication for accessing a container registry.

TaskAuthConfig represents the "auth" section of the config block for the podman task driver.

An AuthBackend is a function that resolves registry credentials for a given repository.