📦 build(docker): add date-based image tagging

- add automatic date-based tag (YYYY.MM.DD format) for docker images
- improve image versioning and traceability in container registry

Author: pooneyy

.github/workflows/build-docker-image.yml

@@ -74,12 +74,15 @@ jobs:
         uses: docker/setup-buildx-action@v3
       - name: Build
         uses: docker/build-push-action@v6
+        env:
+          DATE: $(date +"%Y.%m.%d")
         with:
           context: .
           file: docker/Dockerfile
           push: true
           tags: |
             ${{ env.IMAGE_FULL_NAME }}:${{ env.IMAGE_TAG }}
+            ${{ env.IMAGE_FULL_NAME }}:${{ env.DATE }}
             ${{ github.event.inputs.image_tag != 'latest' && format('{0}:latest', env.IMAGE_FULL_NAME) || '' }}
           cache-from: type=gha
           cache-to: type=gha,mode=max