# Dockerfile
FROM python:3.10-slim

# Prevent .pyc files, unbuffered logging
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

WORKDIR /app

# Install system deps for OCR (optional)
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
      tesseract-ocr \
    && rm -rf /var/lib/apt/lists/*

# Copy & install Python deps
COPY requirements.txt .
RUN pip install --upgrade pip && \
    pip install -r requirements.txt

# Copy application code
COPY app.py .

EXPOSE 7860

CMD ["python", "app.py"]