create Dockerfile

Dockerfile

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+FROM python:3.10-slim
+
+WORKDIR /app
+
+# Install system deps (if needed)
+RUN apt-get update && apt-get install -y git
+
+# Install Python deps
+RUN pip install torch transformers accelerate fastapi uvicorn huggingface_hub
+
+# Copy source code
+COPY . .
+
+# Pre-download model during build (faster startup)
+RUN python download_model.py
+
+# Expose port
+EXPOSE 7860
+
+# Run API
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]