FROM python:3.10-slim

WORKDIR /app

# Install system deps
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy & install Python deps
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Preload model
RUN python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('intfloat/e5-base-v2')"

# Copy app
COPY . .

EXPOSE 7860

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