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+FROM python:3.11-slim
+
+# HuggingFace Spaces requires user ID 1000
+RUN useradd -m -u 1000 user
+
+WORKDIR /home/user/app
+
+# Install dependencies (CPU-only torch to keep image small)
+COPY --chown=user requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt \
+    --extra-index-url https://download.pytorch.org/whl/cpu
+
+# Copy application code
+COPY --chown=user juliaslm_svd_model.py .
+COPY --chown=user server.py .
+
+# Create checkpoints directory (model downloads from HF at runtime)
+RUN mkdir -p /home/user/app/checkpoints && chown user:user /home/user/app/checkpoints
+
+# Switch to non-root user
+USER user
+ENV HOME=/home/user
+
+EXPOSE 7860
+
+CMD ["python", "server.py"]