changed dockerfile

S2FApp/Dockerfile

@@ -8,7 +8,7 @@ WORKDIR /app
 
 # Install system deps for OpenCV
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    libgl1-mesa-glx \
+    libgl1 \
     libglib2.0-0 \
     && rm -rf /var/lib/apt/lists/*
 
@@ -26,8 +26,7 @@ COPY --chown=user:user app.py predictor.py download_ckp.py ./
 COPY --chown=user:user models/ models/
 COPY --chown=user:user utils/ utils/
 COPY --chown=user:user config/ config/
-COPY --chown=user:user sample/ sample/
-RUN mkdir -p ckp && chown user:user ckp
+RUN mkdir -p ckp sample && chown -R user:user ckp sample
 
 # Download checkpoints from Hugging Face if ckp is empty (for Space deployment)
 # Set HF_MODEL_REPO env to your model repo, e.g. kaveh/Shape2Force