DescribeConfig creates a function that can write information about a configuration file.

DescribeDefaultConfig writes debug info about the default docker configuration to the given writer.

DescribeWorkloadIdentity writes debug info about the identity that can be accessed via the GCE Metadata server.

GetAuthKeyChain constructs the default auth key chain to authenticate with GCP services, e.g.

ReadConfig is a utility function to read a docker config from a path.