FROM python:3.14-slim

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PORT=7860

ENV MODEL_ID=campusevents/Bert_sentiment_analysis

COPY requirements.txt .

RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    git \
    && rm -rf /var/lib/apt/lists/*

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


RUN python -c "\
from transformers import AutoTokenizer, AutoModelForSequenceClassification; \
AutoTokenizer.from_pretrained('campusevents/Bert_sentiment_analysis'); \
AutoModelForSequenceClassification.from_pretrained('campusevents/Bert_sentiment_analysis'); \
print('Model cached.')"

COPY bert_sentiment.py .

EXPOSE 7860

CMD ["gunicorn", "bert_sentiment:app", \
     "--bind", "0.0.0.0:7860", \
     "--workers", "1", \
     "--timeout", "180", \
     "--preload"]