fix(build): provide cache images to build cmd

scripts/image-build.sh

@@ -11,10 +11,10 @@ docker pull docker.artifacts.apextoaster.com/${IMAGE_TAG} || \
   true  # no existing image is not an error
 
 # build and test a new image
-docker \
+docker build \
   --cache-from=docker.artifacts.apextoaster.com/${IMAGE_TAG} \
   --cache-from=docker.artifacts.apextoaster.com/"${IMAGE_NAME}:${IMAGE_VERSION}-master" \
-  build -t ${IMAGE_TAG} .
+  -t ${IMAGE_TAG} .
 docker run --rm -v $(pwd):/tests:ro --entrypoint /usr/local/bin/goss ${IMAGE_TAG} --gossfile /tests/Gossfile.yml validate
 
 # prepare to push