# Use official Python runtime as base image
FROM python:3.10-slim

# Set working directory in container
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    git \
    gcc \
    g++ \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first to leverage Docker cache
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Create a non-root user and switch to it
RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app
USER appuser

# Expose port for Gradio
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import requests; requests.get('http://localhost:7860')"

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV GRADIO_SERVER_NAME="0.0.0.0"
ENV GRADIO_SERVER_PORT=7860

# Command to run the application
CMD ["python", "app.py"]