config BR2_PACKAGE_DOCKER_CREDENTIAL_GCR bool "docker-credential-gcr" depends on BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS help docker-credential-gcr is Google Container Registry's standalone, gcloud SDK-independent Docker credential helper. It allows for v18.03+ Docker clients to easily make authenticated requests to GCR's repositories (gcr.io, eu.gcr.io, etc.). https://github.com/GoogleCloudPlatform/docker-credential-gcr/