Try a parameterized cloudbuild

.gitignore

@@ -24,3 +24,4 @@ chrome-user-data
 *.swo
 documentation.json
 kustomization.yaml
+skaffold.yaml

Makefile

@@ -1,15 +1,16 @@
 .PHONY: all build release
 
 repo=app-top
-shorthash=`git rev-parse --short HEAD`
-registry=<YOUR REPO GOES HERE>
+shorthash=$(SHORT_SHA)
+registry=gcr.io/$(PROJECT_ID)
 base=$(registry)/$(repo)
 branch=$${BRANCH_NAME:-`git rev-parse --abbrev-ref HEAD`}
 image=$(base):$(shorthash)
 
 all: build release
 
 skaffold-run:
+	./skaffold.sh
 	DOCKER_REPO=$(registry) GIT_HASH=$(shorthash) bash kustomize.sh
 	DOCKER_REPO=$(registry) GIT_HASH=$(shorthash) skaffold run
 

cloudbuild.yaml

@@ -0,0 +1,7 @@
+steps:
+  - name: 'gcr.io/$PROJECT_ID/skaffold:alpha'
+    args: ['skaffold-run']
+    env:
+      - 'PROJECT_ID=$PROJECT_ID'
+      - 'CLOUDSDK_COMPUTE_ZONE=${_COMPUTE_ZONE}'
+      - 'CLOUDSDK_CONTAINER_CLUSTER=${_CONTAINER_CLUSTER}'

skaffold.yaml → skaffold.sh

@@ -1,8 +1,11 @@
+#!/usr/bin/env bash
+
+cat <<EOF >skaffold.yaml
 apiVersion: skaffold/v1beta13
 kind: Config
 build:
   googleCloudBuild:
-    projectId: <YOUR PROJECT ID HERE>
+    projectId: ${PROJECT_ID}
   artifacts:
   - image: app-top
   tagPolicy:
@@ -11,3 +14,4 @@ build:
 deploy:
   kustomize:
     path: .
+EOF