fix(_scripts): use DEIS_REGISTRY

Author: Matthew

_scripts/ci/deploy.sh

@@ -6,6 +6,6 @@
 cd "$(dirname "$0")" || exit 1
 
 docker login -e="$DOCKER_EMAIL" -u="$DOCKER_USERNAME" -p="$DOCKER_PASSWORD" docker.io
-REGISTRY=docker.io IMAGE_PREFIX=deisci BUILD_TAG=v2-alpha make -C ../.. docker-build docker-push
+DEIS_REGISTRY=docker.io IMAGE_PREFIX=deisci BUILD_TAG=v2-alpha make -C ../.. docker-build docker-push
 docker login -e="$QUAY_EMAIL" -u="$QUAY_USERNAME" -p="$QUAY_PASSWORD" quay.io
-REGISTRY=quay.io IMAGE_PREFIX=deisci BUILD_TAG=v2-alpha make -C ../.. docker-build docker-push
+DEIS_REGISTRY=quay.io IMAGE_PREFIX=deisci BUILD_TAG=v2-alpha make -C ../.. docker-build docker-push