ci: Extend GH Action to build ARM image

Signed-off-by: Kimonas Sotirchos <[email protected]>

.github/workflows/web-app-docker-publish.yml

@@ -14,7 +14,8 @@ on:
   pull_request:
 
 env:
-  IMAGE_NAME: models-web-app
+  IMG: kserve/models-web-app
+  ARCH: linux/ppc64le,linux/amd64,linux/arm64
 
 jobs:
   # Run tests.
@@ -27,12 +28,8 @@ jobs:
 
       - name: Run tests
         run: |
-          if [ -f docker-compose.test.yml ]; then
-            docker-compose --file docker-compose.test.yml build
-            docker-compose --file docker-compose.test.yml run sut
-          else
-            docker build . --file Dockerfile
-          fi
+            make docker-build
+
   # Push image to GitHub Packages.
   # See also https://docs.docker.com/docker-hub/builds/
   push:
@@ -61,28 +58,14 @@ jobs:
 
       - name: export version variable
         run: |
-          IMAGE_ID=kserve/$IMAGE_NAME
-
-          # Change all uppercase to lowercase
-          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
-
           # Strip git ref prefix from version
-          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
-
-          # Strip "v" prefix from tag name
-          # [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+          TAG=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
 
           # Use Docker `latest` tag convention
-          [ "$VERSION" == "master" ] && VERSION=latest
+          [ "$TAG" == "master" ] && VERSION=latest
 
-          echo VERSION=$VERSION >> $GITHUB_ENV
-          echo IMAGE_ID=$IMAGE_ID >> $GITHUB_ENV
+          echo TAG=$TAG >> $GITHUB_ENV
 
-      - name: Build and push
-        uses: docker/build-push-action@v3
-        with:
-          platforms: linux/amd64,linux/ppc64le
-          context: .
-          file: Dockerfile
-          push: true
-          tags: ${{ env.IMAGE_ID }}:${{ env.VERSION }}
+      - name: Build and push multi-arch docker image
+        run: |
+          make docker-build-push-multi-arch