add extra cache tag to latest images and use that tag to get cache la…

…yers (#550)

.github/workflows/release.yaml

@@ -66,7 +66,8 @@ jobs:
           fixed-
 
     - name: Build with skaffold
-      run: ./skaffold build --profile arm --file-output=container-ids.json --tag='${{env.RELEASE_VER}}'
+      run: ./skaffold build --profile release --file-output=container-ids.json --tag='${{env.RELEASE_VER}}'
+
 
     - name: Save artifact with tags of built containers
       uses: actions/upload-artifact@v2

build_release.sh

@@ -0,0 +1,10 @@
+export DOCKER_BUILDKIT=1
+
+docker buildx build \
+  --platform linux/arm64,linux/amd64 \
+  --cache-from us-central1-docker.pkg.dev/genuine-flight-317411/devel/robusta-runner:cache \
+  --tag $IMAGE \
+  --tag us-central1-docker.pkg.dev/genuine-flight-317411/devel/robusta-runner:cache \
+  --build-arg BUILDKIT_INLINE_CACHE=1 \
+  --push \
+  $BUILD_CONTEXT

skaffold.yaml

@@ -57,4 +57,11 @@ profiles:
       - image: us-central1-docker.pkg.dev/genuine-flight-317411/devel/robusta-runner
         context: .
         docker:
-          dockerfile: Dockerfile
+          dockerfile: Dockerfile
+- name: release
+  build:
+    artifacts:
+      - image: us-central1-docker.pkg.dev/genuine-flight-317411/devel/robusta-runner
+        context: .
+        custom:
+          buildCommand: ./build_release.sh