FROM python:3.12-slim

WORKDIR /app

# Install system dependencies including FFmpeg
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    libsm6 \
    libxext6 \
    fonts-dejavu \
    fontconfig \
    && rm -rf /var/lib/apt/lists/* \
    && fc-cache -f -v

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

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

# Copy application code
COPY app/ ./app/

# Create directories for media and output
RUN mkdir -p /app/media/audio /app/media/backgrounds /app/media/posters /app/media/transitions /app/output/videos

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')" || exit 1

# Run the application
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]