Imports github.com/containers/image/pkg/keyctl github.com/containers/image/types github.com/docker/docker-credential-helpers/client github.com/docker/docker-credential-helpers/credentials github.com/docker/docker/pkg/homedir github.com/pkg/errors github.com/sirupsen/logrus Standard library imports encoding/base64 encoding/json fmt io/ioutil os path/filepath strings