# Use Python 3.11 slim image for better compatibility with Hugging Face
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Set environment variables for Hugging Face Spaces
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV PORT=7860
ENV HOST=0.0.0.0

# Install system dependencies required for the application
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    libffi-dev \
    libssl-dev \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better 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 only the main application file
COPY app.py .

# Create a simple health check script
RUN echo '#!/bin/bash\ncurl -f http://localhost:7860/health || exit 1' > /healthcheck.sh && \
    chmod +x /healthcheck.sh

# Expose the port that Hugging Face expects
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD /healthcheck.sh

# Command to run the multi-model application
# Hugging Face Spaces expects the app to run on port 7860
CMD ["python", "app.py"]