Check environment in docker.yml (#19418)

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

.github/workflows/docker.yml

@@ -162,6 +162,10 @@ jobs:
               -t ghcr.io/ultralytics/ultralytics:${{ steps.get_version.outputs.version_tag }} \
               .
 
+      - name: Check Environment
+        if: (github.event_name == 'push' || github.event.inputs[matrix.dockerfile] == 'true') && matrix.platforms == 'linux/amd64' && matrix.dockerfile != 'Dockerfile-conda' # arm64 images not supported on GitHub CI runners
+        run: docker run ultralytics/ultralytics:${{ matrix.tags }} /bin/bash -c "yolo checks && uv pip list"
+
       - name: Run Tests
         if: (github.event_name == 'push' || github.event.inputs[matrix.dockerfile] == 'true') && matrix.platforms == 'linux/amd64' && matrix.dockerfile != 'Dockerfile-conda' # arm64 images not supported on GitHub CI runners
         run: docker run ultralytics/ultralytics:${{ matrix.tags }} /bin/bash -c "pip install pytest && pytest tests"