FROM python:3.10-slim

WORKDIR /app

# --- Cài đặt system dependencies ---
# Pandoc: cho export Word
# Build tools: cho Python packages
# Image libraries: cho Pillow
# Tesseract OCR: Cho fallback khi Gemini chặn bản quyền
RUN apt-get update && \
    apt-get install -y \
    pandoc \
    build-essential \
    libfreetype6-dev \
    libjpeg-dev \
    zlib1g-dev \
    tesseract-ocr \
    tesseract-ocr-vie \
    tesseract-ocr-eng \
    && rm -rf /var/lib/apt/lists/*

# Upgrade pip first
RUN pip install --upgrade pip setuptools wheel

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

# Copy application code
COPY app.py .

# Expose port
EXPOSE 7860

# Run the application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]