Upload Dockerfile with huggingface_hub

Dockerfile

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+FROM python:3.11-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV SYNTHGUARD_MODEL_DIR=/app/models/synthguard_kmer
+
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
+
+WORKDIR /app
+
+COPY --chown=user requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY --chown=user . /app
+
+# Download k-mer models from HF Hub at build time
+RUN python -c "from huggingface_hub import snapshot_download; snapshot_download('Seyomi/synthguard-kmer', repo_type='model', local_dir='models/synthguard_kmer')"
+
+EXPOSE 7860
+
+CMD ["uvicorn", "api:app", "--host", "0.0.0.0", "--port", "7860"]