Multi-architecture builds to support amd64 and arm64 containers using buildx

.github/workflows/build-test-deploy.yml

@@ -10,7 +10,7 @@ on:
 
   # Run at 01:42 UTC every Saturday
   schedule:
-    - cron: '42 1 * * 6'
+    - cron: "42 1 * * 6"
 
 jobs:
   build-test-deploy:
@@ -20,24 +20,25 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        base_distro: [
-                      alma-8,
-                      alma-9,
-                      centos-7,
-                      debian-10,
-                      debian-11,
-                      debian-12,
-                      fedora-36,
-                      fedora-37,
-                      fedora-38,
-                      fedora-39,
-                      fedora-40,
-                      opensuse-15.4,
-                      opensuse-15.5,
-                      ubuntu-18.04,
-                      ubuntu-20.04,
-                      ubuntu-22.04
-        ]
+        base_distro:
+          [
+            alma-8,
+            alma-9,
+            centos-7,
+            debian-10,
+            debian-11,
+            debian-12,
+            fedora-36,
+            fedora-37,
+            fedora-38,
+            fedora-39,
+            fedora-40,
+            opensuse-15.4,
+            opensuse-15.5,
+            ubuntu-18.04,
+            ubuntu-20.04,
+            ubuntu-22.04,
+          ]
     env:
       BASE_DISTRO: ${{ matrix.base_distro }}
       REPO: crops/poky
@@ -50,10 +51,38 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      # Build and test the images
-      - name: Run build-and-test.sh
-        run: ./build-and-test.sh
+      - name: Generate tag
+        id: tag
+        run: echo "TAG=${{github.env.REPO}}:${{ matrix.base_distro }}" >> $GITHUB_OUTPUT
 
-      # Deploy the images
-      - name: Deploy
-        run: bash deploy.sh
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.env.GHCR_USERNAME }}
+          password: ${{ github.env.GHCR_PASSWORD }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build
+        uses: docker/build-push-action@v5
+        with:
+          platforms: linux/amd64,linux/arm64
+          load: true
+          pull: true
+          build-args: |
+            BASE_DISTRO=${{ matrix.base_distro }}
+          tags: ${{ steps.tag.outputs.TAG }}
+
+      - name: Test
+        run: ./tests/test.sh ${{ steps.tag.outputs.TAG }}
+
+      - name: Push image to GHCR
+        run: |
+          docker buildx imagetools create \
+          --tag ghcr.io/${{ steps.tag.outputs.TAG }} \
+          ${{ steps.tag.outputs.TAG }}