FROM python:3.10

# Αποφυγή permission προβλημάτων
ENV HF_HOME=/app/hf_cache

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Προφόρτωση μοντέλου για να αποφύγουμε lock files
RUN python -c "from transformers import AutoTokenizer, AutoModelForSeq2SeqLM; \
    m='kriton/greek-text-summarization'; \
    AutoTokenizer.from_pretrained(m, cache_dir='/app/hf_cache'); \
    AutoModelForSeq2SeqLM.from_pretrained(m, cache_dir='/app/hf_cache')"

COPY . .

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]