make docker-cuda: use bare = and nvidia/cuda runtime image
@@ -208,8 +208,8 @@ docker%:
docker build -t $(DOCKER_TAG) --build-arg BASE_IMAGE=$(DOCKER_BASE_IMAGE) $(DOCKER_ARGS) .
# Build docker GPU / CUDA image
-docker-cuda: DOCKER_BASE_IMAGE ?= nvidia/cuda:11.0-base-ubuntu18.04
-docker-cuda: DOCKER_TAG ?= ocrd/core-cuda
+docker-cuda: DOCKER_BASE_IMAGE = nvidia/cuda:11.0-runtime-ubuntu18.04
+docker-cuda: DOCKER_TAG = ocrd/core-cuda
#
# bash library
