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+# Use Debian Buster (older Linux) to support PyTorch 1.12 executable stack requirements
+FROM python:3.9-slim-buster
+
+# Install system dependencies required for Open3D and Binvox
+RUN apt-get update && apt-get install -y \
+    libgl1-mesa-glx \
+    libgomp1 \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# 1. Install PyTorch 1.12.0 (CPU) from OFFICIAL source
+# This avoids the faulty wheels sometimes found in mirrors
+RUN pip install --no-cache-dir torch==1.12.0 torchvision==0.13.0 --extra-index-url https://download.pytorch.org/whl/cpu
+
+# 2. Install PyTorch Geometric dependencies (CPU versions matching Torch 1.12)
+RUN pip install --no-cache-dir \
+    torch-scatter==2.0.9 \
+    torch-sparse==0.6.15 \
+    torch-cluster==1.6.0 \
+    torch-spline-conv==1.2.1 \
+    -f https://data.pyg.org/whl/torch-1.12.0+cpu.html
+
+# 3. Install the rest of the libraries
+# Unpin Open3D to allow a version compatible with Python 3.9
+RUN pip install --no-cache-dir \
+    torch-geometric==1.7.2 \
+    numpy \
+    scipy \
+    trimesh \
+    open3d \
+    gradio
+
+# 4. Copy Application Code
+COPY . /app
+
+# 5. Permissions
+# Ensure we can execute the app and binvox (if copied by app.py)
+RUN chmod -R 777 /app
+
+# 6. Launch
+CMD ["python", "app.py"]