FROM python:3.11-slim

# Install FFmpeg and fonts
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    ffmpeg \
    fonts-dejavu-core \
    curl \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

# Copy application
COPY overlay_service.py .

# Create recordings directory
RUN mkdir -p /recordings

# Create user but don't switch to it - need root for shared volume
RUN useradd -m -s /bin/bash overlay && \
    chown -R overlay:overlay /app /recordings
# Running as root to access shared /tmp volume
# USER overlay

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import sys; sys.exit(0)"

CMD ["python", "-u", "overlay_service.py"]