FROM node:20-bookworm-slim

ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y --no-install-recommends \
    python3 python3-pip python3-venv \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY backend/requirements.txt /app/backend/requirements.txt
RUN python3 -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"
RUN pip install --no-cache-dir -r /app/backend/requirements.txt

COPY frontend/package.json frontend/package-lock.json /app/frontend/
RUN cd /app/frontend && npm ci

COPY backend /app/backend
COPY frontend /app/frontend
COPY ephemeris /app/ephemeris
COPY start.sh /app/start.sh

RUN cd /app/frontend && npm run build

EXPOSE 7860

CMD ["/bin/bash", "/app/start.sh"]