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+FROM python:3.10-slim
+
+ENV DEBIAN_FRONTEND=noninteractive \
+    PYTHONUNBUFFERED=1
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    git \
+    wget \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Clone ComfyUI
+RUN git clone https://github.com/comfyanonymous/ComfyUI.git . && \
+    pip install --no-cache-dir torch torchvision --index-url https://download.pytorch.org/whl/cpu && \
+    pip install --no-cache-dir -r requirements.txt
+
+# Download a small fast model (SD 1.5 pruned EMA-only ~2GB)
+RUN mkdir -p models/checkpoints models/vae models/controlnet && \
+    wget -q --show-progress \
+        https://huggingface.co/genai-archive/stable-diffusion-v1-5/resolve/main/v1-5-pruned-emaonly.fp16.safetensors \
+        -O models/checkpoints/v1-5-pruned-emaonly.fp16.safetensors
+
+# Expose the port HF Spaces expects
+EXPOSE 7860
+
+# Run ComfyUI bound to all interfaces on port 7860
+CMD ["python", "main.py", "--listen", "0.0.0.0", "--port", "7860"]