FROM python:3.9-slim

WORKDIR /code

# Install system deps for some transformers backends (optional)
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential git curl && rm -rf /var/lib/apt/lists/*

# Install Python deps
RUN pip install --no-cache-dir --upgrade pip
RUN pip install --no-cache-dir fastapi uvicorn transformers torch accelerate gradio spaces textblob pytz duckduckgo-search wikipedia scikit-learn

# Download TextBlob corpora (lite)
RUN python -m textblob.download_corpora lite

# Pre-download some models to speed up runtime (best-effort)
RUN python -c "from transformers import pipeline; pipeline('zero-shot-classification', model='typeform/distilbert-base-uncased-mnli')"
RUN python -c "from transformers import pipeline; pipeline('text-classification', model='j-hartmann/emotion-english-distilroberta-base')"

COPY . .

RUN chmod -R 755 .

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