FROM python:3.11-slim

WORKDIR /app

# System deps for faiss/scikit-learn/lightgbm (optional but safer)
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy the package + app entry point + dependencies manifest + run script
COPY requirements.txt ./
COPY redrob/ ./redrob/
COPY app.py ./
COPY scripts/ ./scripts/

# Install Python deps (no cache to keep image smaller)
RUN pip install --no-cache-dir -r requirements.txt

EXPOSE 8501

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

ENTRYPOINT ["streamlit", "run", "app.py", \
    "--server.port=8501", \
    "--server.address=0.0.0.0", \
    "--server.headless=true", \
    "--server.fileWatcherType=none", \
    "--browser.gatherUsageStats=false"]