# Python Backend Dockerfile
FROM python:3.11-slim

WORKDIR /app

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

# Set ffmpeg paths
ENV FFMPEG_PATH=/usr/bin/ffmpeg
ENV FFPROBE_PATH=/usr/bin/ffprobe

# Copy requirements first for better Docker layer caching
COPY requirements.txt .

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

# Copy application code
COPY backend/ ./backend/
COPY main.py .
COPY public/ ./public/

# Create necessary directories
RUN mkdir -p downloads database

# Create non-root user
RUN groupadd -r quixotic && useradd -r -g quixotic quixotic

# Change ownership of app directory
RUN chown -R quixotic:quixotic /app
USER quixotic

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD python -c "import requests; requests.get('http://localhost:8000/health', timeout=3)"

# Start the application
CMD ["python", "main.py"]