FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
WORKDIR /app

# System packages
RUN apt-get update && apt-get install -y git build-essential && rm -rf /var/lib/apt/lists/*

# Copy requirements and install
COPY requirements.txt .
RUN pip install --upgrade pip && pip install --no-cache-dir -r requirements.txt

# NLTK punkt & Stanza
RUN python -m nltk.downloader punkt
RUN python -c "import stanza; stanza.download('fa')"

# Copy project
COPY . .

EXPOSE 7860
CMD ["python", "app.py"]