# ---------- Frontend build ----------
FROM node:22-alpine AS frontend-builder
WORKDIR /app/frontend

COPY frontend/package.json ./
RUN npm install

COPY frontend ./
RUN npm run build

# ---------- Backend runtime ----------
FROM python:3.12-slim AS runtime
WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

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

COPY backend ./backend
COPY --from=frontend-builder /app/frontend/out ./backend/static

RUN useradd -m -u 1000 user && chown -R user:user /app
USER user

EXPOSE 7860

CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "7860"]