FROM python:3.11-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy the application
COPY . .

# Expose the port
EXPOSE 7860

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV STREAMLIT_SERVER_PORT=7860
ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0

# Health check
HEALTHCHECK CMD curl --fail http://localhost:7860/_stcore/health || exit 1

# Run the app
CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0", "--server.headless=true"]