FROM python:3.10-slim

ENV PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PORT=7860 \
    STREAMLIT_SERVER_PORT=7860 \
    STREAMLIT_SERVER_HEADLESS=true \
    STREAMLIT_SERVER_ENABLECORS=false \
    STREAMLIT_SERVER_ENABLEWEBRTC=false

WORKDIR /code

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

COPY requirements.txt .
RUN pip install --upgrade pip setuptools wheel && \
    pip install -r requirements.txt

# **Install spaCy small English model during build**
RUN python -m spacy download en_core_web_sm

COPY . .

EXPOSE 7860

CMD ["streamlit", "run", "app.py", \
     "--server.address=0.0.0.0", "--server.port=7860"]