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+# ── ShukGEN v3 — Hugging Face Spaces Dockerfile ──────────────────────────────
+# Uses CPU-only PyTorch to keep the image lean (no CUDA drivers needed on HF).
+# If you have a GPU Space, replace the torch install line with the CUDA wheel.
+# ─────────────────────────────────────────────────────────────────────────────
+
+FROM python:3.10-slim
+
+# System deps (needed by Pillow / scipy)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        libglib2.0-0 \
+        libsm6 \
+        libxrender1 \
+        libxext6 \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Copy requirements first so Docker can cache the pip layer
+COPY requirements.txt .
+
+# Install CPU-only PyTorch + everything else
+RUN pip install --no-cache-dir \
+        torch==2.2.2+cpu \
+        torchvision==0.17.2+cpu \
+        --index-url https://download.pytorch.org/whl/cpu \
+    && pip install --no-cache-dir -r requirements.txt
+
+# Copy all app files (app.py, index.html, model.pt if present)
+COPY . .
+
+# HF Spaces requires port 7860
+EXPOSE 7860
+
+# Run the Flask server
+CMD ["python", "app.py"]