# Use a slim Python image for efficiency
FROM python:3.9-slim

# Set the working directory
WORKDIR /app

# Install all system dependencies for OpenCV AND WeasyPrint in one go.
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    libgl1 \
    libgthread-2.0-0 \
    libpango-1.0-0 \
    libpangoft2-1.0-0 \
    libcairo2 \
    libgdk-pixbuf-xlib-2.0-0 \
    libffi-dev \
    fontconfig \
    && rm -rf /var/lib/apt/lists/*

# Copy and install Python dependencies first to leverage Docker layer caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
    
# Copy all application files
COPY . .

# Ensure the uploads folder exists and grant write permissions.
RUN mkdir -p static/uploads && chmod 777 static/uploads

# Hugging Face Spaces expose port 7860 by default
EXPOSE 7860

# --- FINAL FIX: ADDED --timeout 120 ---
# Command to run the application using Gunicorn with an increased timeout
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--timeout", "120", "app:app"]