FROM python:3.9-slim

# ✅ Define all writable paths explicitly
ENV PYTHONUNBUFFERED=1 \
    PORT=8501 \
    HF_HOME=/tmp/huggingface \
    XDG_CACHE_HOME=/tmp/.cache \
    STREAMLIT_HOME=/tmp/.streamlit \
    STREAMLIT_SERVER_HEADLESS=true \
    STREAMLIT_SERVER_PORT=8501 \
    STREAMLIT_SERVER_ADDRESS=0.0.0.0

WORKDIR /app

RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt ./
COPY src/ ./src/

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

EXPOSE 8501

HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health || exit 1

ENTRYPOINT ["streamlit", "run", "src/app.py"]