Create fake package-lock.json during build tagret

services/filestore/Makefile

@@ -34,6 +34,7 @@ test_clean:
 test_acceptance_pre_run:
 	@[ ! -f test/acceptance/scripts/pre-run ] && echo "filestore has no pre acceptance tests task" || $(DOCKER_COMPOSE) run --rm test_acceptance test/acceptance/scripts/pre-run
 build:
+	touch package-lock.json
 	docker build --pull --tag quay.io/sharelatex/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER) .
 	docker build --pull --tag gcr.io/csh-gcdm-test/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER) .