# Stage 1: build the frontend SPA
FROM node:20-alpine AS frontend
WORKDIR /fe
COPY frontend/package.json ./
RUN npm install
COPY frontend/ ./
RUN npm run build

# Stage 2: backend runtime, serving the built SPA
FROM python:3.12-slim
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

WORKDIR /app

COPY backend/requirements.txt .
RUN pip install --upgrade pip && pip install -r requirements.txt

COPY backend/ .
COPY --from=frontend /fe/dist ./app/static_spa

RUN adduser --disabled-password --gecos "" appuser && chown -R appuser /app
USER appuser

EXPOSE 8000
CMD ["sh", "entrypoint.sh"]