# Use a lightweight Python base. Hugging Face Spaces supports Docker deployment.
FROM python:3.10-slim

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    git \
    gcc \
    libglib2.0-0 \
    libsm6 \
    libxrender1 \
    libxext6 \
    && rm -rf /var/lib/apt/lists/*

# Set working dir
WORKDIR /app

# Copy requirements and install
COPY requirements.txt /app/requirements.txt
RUN pip install --no-cache-dir -r /app/requirements.txt

# Copy app
COPY . /app

# Expose port used by Streamlit (HF Spaces will handle binding)
ENV PORT=7860
ENV STREAMLIT_SERVER_ENABLECORS=false
ENV STREAMLIT_SERVER_HEADLESS=true
ENV STREAMLIT_SERVER_PORT=${PORT}

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