wip

frontend/Dockerfile

@@ -1,5 +1,6 @@
 # syntax=docker/dockerfile:1
 FROM node:12-alpine AS build
+ARG BACKEND_URL
 WORKDIR /app
 COPY package.json yarn.lock ./
 RUN yarn

frontend/cloudbuild.yaml

@@ -4,9 +4,11 @@ steps:
   args:
   - build
   - '-t'
-  - '${_DOCKER_PUBLISH_URL}'
+  - '${_DOCKER_TAG}'
   - '--cache-from'
-  - '${_DOCKER_PUBLISH_URL}'
+  - '${_DOCKER_TAG}'
   - '--build-arg'
   - 'BACKEND_URL=${_BACKEND_URL}'
   - '.'
+
+images: ['${_DOCKER_TAG}']