Use mmcv-full with MMCV_WITH_OPS=0 (skip C++ extension build)

C++ ops (NMS, RoIAlign) are already patched to torchvision in
chartdete_infer.py, so no native extensions needed.

Dockerfile

@@ -16,10 +16,10 @@ RUN pip install --no-cache-dir \
     torchvision==0.14.1+cpu \
     -f https://download.pytorch.org/whl/cpu/torch_stable.html
 
-# Install mmcv-full pre-built wheel
-RUN pip install --no-cache-dir \
-    mmcv-full==1.7.2 \
-    -f https://download.openmmlab.com/mmcv/dist/cpu/torch1.13.0/index.html
+# Install mmcv-full from source WITHOUT C++ ops compilation
+# The C++ ops (NMS, RoIAlign) are patched to use torchvision in chartdete_infer.py
+ENV MMCV_WITH_OPS=0
+RUN pip install --no-cache-dir mmcv-full==1.7.2
 
 # Install remaining dependencies
 RUN pip install --no-cache-dir \