Dockerfile.backend

FROM python:3.11-slim

# Install system dependencies for PDF manipulation, OCR, and LibreOffice
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    libreoffice \
    tesseract-ocr \
    tesseract-ocr-eng \
    tesseract-ocr-spa \
    tesseract-ocr-fra \
    tesseract-ocr-deu \
    libffi-dev \
    python3-dev \
    libpango-1.0-0 \
    libpangoft2-1.0-0 \
    libharfbuzz-subset0 \
    python3-cffi \
    python3-brotli \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy and install Python dependencies first (better layer caching)
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

# Copy application source
COPY . /app/

EXPOSE 8000

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "2"]