# ============================================
# Audiobook Maker Pro v4 - Production Dockerfile
# CPU-only build — no CUDA/MPS dependencies
# ============================================

FROM python:3.11-slim

# Install system dependencies for pydub (ffmpeg), python-docx, olefile, PyMuPDF
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    libmupdf-dev \
    libfreetype6 \
    libharfbuzz0b \
    libjpeg62-turbo \
    libopenjp2-7 \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

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

# Install Python dependencies — CPU only, no CUDA
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Create the persistent data directory at build time
# (Coolify volume mount will overlay this at runtime)
RUN mkdir -p /opt/apps/audiobook-maker-pro-v4

# Expose the application port
EXPOSE 5009

# Health check — Coolify uses this to determine container readiness
HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:5009/login')" || exit 1

# Run with gunicorn for production
CMD ["gunicorn", \
     "--bind", "0.0.0.0:5009", \
     "--workers", "3", \
     "--threads", "2", \
     "--timeout", "300", \
     "--worker-class", "gthread", \
     "--access-logfile", "-", \
     "--error-logfile", "-", \
     "app:app"]