Dockerfile

FROM python:3.12-slim as builder
WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends gcc g++ \
  && rm -rf /var/lib/apt/lists/*

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

FROM python:3.12-slim
WORKDIR /app

COPY --from=builder /root/.local /root/.local
ENV PATH=/root/.local/bin:$PATH

COPY app/ ./app/
COPY scripts/ ./scripts/
COPY data/ ./data/
COPY streamlit_app.py .
COPY entrypoint.sh .
RUN sed -i 's/\r$//' entrypoint.sh && chmod +x entrypoint.sh

# Train models during build to ensure compatibility and existence
RUN python scripts/train.py

RUN mkdir -p ml_reports logs

ENV PYTHONUNBUFFERED=1 \
  PYTHONDONTWRITEBYTECODE=1 \
  DISABLE_SUPABASE=1

EXPOSE 8000
EXPOSE 8501

HEALTHCHECK --interval=30s --timeout=30s --start-period=30s --retries=3 \
  CMD python -c "import requests; requests.get('http://localhost:8000/docs', timeout=5)" || exit 1

CMD ["./entrypoint.sh"]