| FROM python:3.10-slim | |
| # Prevent python cache files | |
| ENV PYTHONDONTWRITEBYTECODE=1 | |
| ENV PYTHONUNBUFFERED=1 | |
| # HuggingFace model cache location | |
| ENV HF_HOME=/tmp/hf | |
| ENV TRANSFORMERS_CACHE=/tmp/hf | |
| ENV HF_HUB_DISABLE_TELEMETRY=1 | |
| WORKDIR /app | |
| # Install system dependencies needed for RDKit / scientific stack | |
| RUN apt-get update && apt-get install -y \ | |
| build-essential \ | |
| git \ | |
| && rm -rf /var/lib/apt/lists/* | |
| # Copy requirements first (improves Docker layer caching) | |
| COPY requirements.txt . | |
| # Install Python dependencies | |
| RUN pip install --no-cache-dir --upgrade pip \ | |
| && pip install --no-cache-dir -r requirements.txt | |
| # Copy application files | |
| COPY . . | |
| # HuggingFace Spaces uses port 7860 | |
| EXPOSE 7860 | |
| # --preload loads models once instead of per worker | |
| CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"] |