Dockerfile

# 1. Base Image
FROM python:3.10-slim

# 2. Install Git + curl (for health checks)
RUN apt-get update && \
    apt-get install -y --no-install-recommends git curl && \
    rm -rf /var/lib/apt/lists/*

# 3. Setup App
WORKDIR /app

# 4. Install Dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# 5. Copy Application
COPY . .

# 6. Create User
RUN useradd -m -u 1000 user && \
    chown -R user:user /app

USER user

ENV PATH="/home/user/.local/bin:$PATH"

# 7. Expose Port
EXPOSE 7860

# 8. Add Health Check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD curl -f http://localhost:7860/_stcore/health || exit 1

# 9. Run Streamlit
CMD ["streamlit", "run", "app.py", \
     "--server.port=7860", \
     "--server.address=0.0.0.0", \
     "--server.enableCORS=false", \
     "--server.enableXsrfProtection=false", \
     "--server.headless=true"]