Refactor Docker image build process to use Buildx for improved efficiency

.gitea/workflows/create-and-push-image.yaml

@@ -16,10 +16,15 @@ jobs:
           username: ${{ vars.REGISTRY_USERNAME }}
           password: ${{ secrets.REGISTRY_TOKEN }}
 
-      - name: Build Docker Image
-        run: |
-          docker build -t ${{ vars.REGISTRY_HOST }}/${{ vars.REGISTRY_USERNAME }}/${{ vars.IMAGE_NAME }}:latest .
+      - name: Set Up Docker Buildx
+        uses: docker/setup-buildx-action@v3
 
-      - name: Push Docker Image
-        run: |
-          docker push ${{ vars.REGISTRY_HOST }}/${{ vars.REGISTRY_USERNAME }}/${{ vars.IMAGE_NAME }}:latest
+      - name: Build And Push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: |
+            ${{ vars.REGISTRY_HOST }}/${{ vars.REGISTRY_USERNAME }}/${{ vars.IMAGE_NAME }}:latest