# --- STAGE 1: Builder ---
FROM python:3.11-slim AS builder
WORKDIR /app

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

# Install python dependencies
COPY requirements.txt .
RUN pip install --user --no-cache-dir -r requirements.txt

# --- STAGE 2: Runtime ---
FROM python:3.11-slim
WORKDIR /app

# Copy installed packages
COPY --from=builder /root/.local /root/.local
ENV PATH=/root/.local/bin:$PATH

# Copy app code
COPY . .

ENV PYTHONUNBUFFERED=1
EXPOSE 8501
EXPOSE 8004

# Start monitor in background and streamlit in foreground
CMD ["sh", "-c", "python monitor.py & streamlit run app.py --server.port=8501 --server.address=0.0.0.0 --server.baseUrlPath=/lead"]