refactor: clean up and streamline Docker workflow configurations

Removed unused steps and comments in `.gitea/workflows/docker-publish.yaml`, updated actions to latest versions, and standardized build configurations. Improved clarity and maintainability of Docker build and push processes.

.gitea/workflows/docker-publish.yaml

@@ -73,7 +73,7 @@ jobs:
           key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
           restore-keys: |
             ${{ runner.os }}-gradle-
-      # Frontend Build (Nur für web-app notwendig)
+
       - name: Build Frontend (Kotlin JS)
         if: matrix.service == 'web-app'
         run: |
@@ -82,39 +82,65 @@ jobs:
             -Pproduction=true \
             --max-workers=8 \
             -Dkotlin.daemon.jvm.options="-Xmx4g"
+
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      # Login bei deiner Gitea Registry
+        uses: actions/setup-buildx-action@v3
+
       - name: Log in to the Container registry
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ secrets.REGISTRY_USER }}
           password: ${{ secrets.REGISTRY_TOKEN }}
+
+
+#      - name: Set up Docker Buildx
+#        uses: docker/setup-buildx-action@v3
+#      # Login bei deiner Gitea Registry
+#      - name: Log in to the Container registry
+#        uses: docker/login-action@v3
+#        with:
+#          registry: ${{ env.REGISTRY }}
+#          username: ${{ secrets.REGISTRY_USER }}
+#          password: ${{ secrets.REGISTRY_TOKEN }}
       # Metadaten extrahieren (Tags, Labels)
-      - name: Extract metadata
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/${{ matrix.image }}
-          tags: |
-            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
-            type=sha,format=long
-      # Build und Push (Nativ ARM64 für maximale Geschwindigkeit)
+#      - name: Extract metadata
+#        id: meta
+#        uses: docker/metadata-action@v5
+#        with:
+#          images: ${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/${{ matrix.image }}
+#          tags: |
+#            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
+#            type=sha,format=long
+#      # Build und Push (Nativ ARM64 für maximale Geschwindigkeit)
+#      - name: Build and push Docker image
+#        uses: docker/build-push-action@v6
+#        with:
+#          context: ${{ matrix.context }}
+#          file: ${{ matrix.dockerfile }}
+#          push: true
+#          # Fokus auf ARM64 für Zora, AMD64 bleibt für Kompatibilität (optional)
+#          platforms: linux/arm64
+#          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/${{ matrix.name }}:latest
+#          labels: ${{ steps.meta.outputs.labels }}
+#          build-args: |
+#            DOCKER_BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
+#            VERSION=${{ github.sha }}
+#            GRADLE_VERSION=${{ env.GRADLE_VERSION }}
+#            JAVA_VERSION=${{ env.JAVA_VERSION }}
+#            KEYCLOAK_IMAGE_TAG=26.4
+#            JVM_OPTS_APPEND=${{ env.JVM_OPTS_ARM64 }}
+
       - name: Build and push Docker image
         uses: docker/build-push-action@v6
         with:
-          context: ${{ matrix.context }}
+          context: .
           file: ${{ matrix.dockerfile }}
           push: true
-          # Fokus auf ARM64 für Zora, AMD64 bleibt für Kompatibilität (optional)
-          platforms: linux/arm64
           tags: ${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/${{ matrix.name }}:latest
-          labels: ${{ steps.meta.outputs.labels }}
           build-args: |
             DOCKER_BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
             VERSION=${{ github.sha }}
             GRADLE_VERSION=${{ env.GRADLE_VERSION }}
             JAVA_VERSION=${{ env.JAVA_VERSION }}
-            KEYCLOAK_IMAGE_TAG=26.4
             JVM_OPTS_APPEND=${{ env.JVM_OPTS_ARM64 }}