Simplify image build (#40)

related to gardenlinux/glvd#103

.github/workflows/ci.yaml

@@ -54,36 +54,64 @@ jobs:
     runs-on: ubuntu-24.04
     needs:
       - build
-    if: github.ref == 'refs/heads/main'
+    env:
+      IMAGE_NAME: ghcr.io/gardenlinux/glvd-api
+      IMAGE_TAG: latest
+
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up JDK 21
-      uses: actions/setup-java@v4
-      with:
-        java-version: '21'
-        distribution: 'sapmachine'
-    - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v3
-      with:
-        platforms: linux/amd64,linux/arm64
-    - name: Login to GitHub Container Registry
-      if: ${{ github.event_name != 'pull_request' }}
-      uses: docker/login-action@v3
-      with:
-        registry: ghcr.io
-        username: token
-        password: ${{ github.token }}
+      - name: Checkout repo
+        uses: actions/checkout@v4
 
-    - run: mkdir -p build
-    - uses: actions/download-artifact@v4
-      with:
-        name: build-artifacts
-        path: build
-    - run: docker buildx build --file=Containerfile --platform=linux/amd64,linux/arm64 --push --tag=ghcr.io/gardenlinux/glvd-api:edge .
-    # - run: podman build  --platform linux/amd64,linux/arm64 --manifest ghcr.io/gardenlinux/glvd-api:edge .
-    # - run: podman login -u token -p ${{ github.token }} ghcr.io
-    # - run: podman push ghcr.io/gardenlinux/glvd-api:edge
-    # - run: podman push ghcr.io/gardenlinux/glvd-api:edge_bare
+      - run: mkdir -p build
+      - name: Download built jar
+        uses: actions/download-artifact@v4
+        with:
+          name: build-artifacts
+          path: build
+
+      - name: Install qemu dependency for multi-arch build
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y qemu-user-static
+
+      - name: Build Image
+        id: build_image
+        uses: redhat-actions/buildah-build@v2
+        with:
+          image: ${{ env.IMAGE_NAME }}
+          tags: ${{ env.IMAGE_TAG }}
+          platforms: linux/amd64, linux/arm64
+          containerfiles: |
+            ./Containerfile
+
+      - name: Echo Outputs
+        run: |
+          echo "Image: ${{ steps.build_image.outputs.image }}"
+          echo "Tags: ${{ steps.build_image.outputs.tags }}"
+          echo "Tagged Image: ${{ steps.build_image.outputs.image-with-tag }}"
+
+      - name: Check images created
+        run: buildah images | grep '${{ env.IMAGE_NAME }}'
+
+      - name: Check manifest
+        run: |
+          set -x
+          buildah manifest inspect ${{ steps.build_image.outputs.image }}:${{ env.IMAGE_TAG }}
+
+      - name: Push To ghcr.io
+        id: push-to-ghcr
+        if: ${{ github.event_name != 'pull_request' }}
+        uses: redhat-actions/push-to-registry@v2
+        with:
+          image: ${{ steps.build_image.outputs.image }}
+          tags: ${{ steps.build_image.outputs.tags }}
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Print image url
+        if: ${{ github.event_name != 'pull_request' }}
+        run: echo "Image pushed to ${{ steps.push-to-ghcr.outputs.registry-paths }}"
 
   dependency-submission: