changed workflow for use build-args from versions.env in buildx builder

.gitea/workflows/docker-builder.yml

@@ -19,6 +19,7 @@ jobs:
     runs-on: buildx-multiarch
 
     steps:
+
       - name: Checkout repository
         uses: http://git.pi-farm.de/pi-farm/checkout@v4
         with:
@@ -134,23 +135,57 @@ jobs:
 
           echo "DOCKER_TAGS=$TAGS" >> $GITEA_ENV
 
+      - name: Load versions.env
+        id: load_env
+        run: |
+          echo "Lade versions.env"
+          set -a
+          source versions.env
+          set +a
+          # Schreibe die wichtigsten Variablen ins GITEA_ENV für weitere Steps
+          echo "BASE_IMAGE=$BASE_IMAGE" >> $GITEA_ENV
+          echo "APP_VERSION=$APP_VERSION" >> $GITEA_ENV
+          echo "TARGET_PLATFORMS=$TARGET_PLATFORMS" >> $GITEA_ENV
+          echo "IMAGE_NAME=${REGISTRY_HOST}/${IMAGE_BASE}" >> $GITEA_ENV
+          echo "CACHE_IMAGE_NAME=${REGISTRY_HOST}/${IMAGE_BASE}-cache" >> $GITEA_ENV
+          echo "VERSION=${{ gitea.ref_name }}" >> $GITEA_ENV
+          echo "BUILD_DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)" >> $GITEA_ENV
+
       - name: Build & push multiarch
         if: steps.check_files.outputs.should_build == 'true'
         run: |
-          IFS=',' read -ra TAGARRAY <<< "$DOCKER_TAGS"
-          TAG_ARGS=""
-          for tag in "${TAGARRAY[@]}"; do
-            TAG_ARGS="$TAG_ARGS -t $tag"
-          done
+          echo "== Multiarch Build Start =="
 
+          # Build amd64
           docker buildx build \
-            --platform linux/amd64,linux/arm64 \
+            --platform linux/amd64 \
             -f ${AMD64_DOCKERFILE} \
-            --build-arg BUILD_DATE=${BUILD_DATE} \
-            --build-arg VERSION=${VERSION} \
-            $TAG_ARGS \
+            --build-arg BASE_IMAGE=$BASE_IMAGE \
+            --build-arg APP_VERSION=$APP_VERSION \
+            --label org.opencontainers.image.version=$APP_VERSION \
+            --label org.opencontainers.image.created=$BUILD_DATE \
+            -t ${CACHE_IMAGE_NAME}:${VERSION}-amd64 \
             --push .
 
+          # Build arm64
+          docker buildx build \
+            --platform linux/arm64 \
+            -f ${ARM64_DOCKERFILE} \
+            --build-arg BASE_IMAGE=$BASE_IMAGE \
+            --build-arg APP_VERSION=$APP_VERSION \
+            --label org.opencontainers.image.version=$APP_VERSION \
+            --label org.opencontainers.image.created=$BUILD_DATE \
+            -t ${CACHE_IMAGE_NAME}:${VERSION}-arm64 \
+            --push .
+
+          # Merge into manifest
+          docker buildx imagetools create -t ${IMAGE_NAME}:${VERSION} \
+            ${CACHE_IMAGE_NAME}:${VERSION}-amd64 \
+            ${CACHE_IMAGE_NAME}:${VERSION}-arm64
+
+          echo "== Multiarch Build Complete =="
+
+
       - name: Generate SBOM
         run: |
           docker sbom ${IMAGE_NAME}:edge > sbom.spdx.json || true