Set up Docker Buildx

Author: doug2901

.github/workflows/pipeline.yaml

@@ -37,6 +37,9 @@ jobs:
           username: ${{ vars.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
         with: