FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /app

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

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

COPY . .

# TẢI SẴN MODEL NGAY KHI BUILD IMAGE (chỉ chạy 1 lần duy nhất)
RUN python -c "\
from transformers import AutoTokenizer, AutoModelForSequenceClassification; \
print('Đang tải model 5CD-AI/Vietnamese-Sentiment-visobert...'); \
AutoTokenizer.from_pretrained('5CD-AI/Vietnamese-Sentiment-visobert'); \
AutoModelForSequenceClassification.from_pretrained('5CD-AI/Vietnamese-Sentiment-visobert'); \
print('Tải model xong!')"

EXPOSE 7860
CMD ["gunicorn", "-b", "0.0.0.0:7860", "app:app", "--workers", "1", "--threads", "4", "--timeout", "180"]