FROM node:22-alpine AS frontend
WORKDIR /build/frontend
COPY frontend/package*.json ./
RUN npm install --no-audit --no-fund
COPY frontend/ ./
RUN npm run build

FROM python:3.12-slim AS runtime
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    DATA_DIR=/app/data \
    USERS_FILE=/run/secrets/users.json \
    SESSION_SECRET_FILE=/run/secrets/session_secret \
    DEEPSEEK_API_KEY_FILE=/run/secrets/deepseek_api_key \
    COOKIE_SECURE=true
WORKDIR /app
RUN addgroup --system note && adduser --system --ingroup note note
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt
COPY app ./app
COPY --from=frontend /build/app/static ./app/static
RUN mkdir -p /app/data && chown -R note:note /app
USER note
EXPOSE 8000
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/health', timeout=3)"
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--proxy-headers", "--forwarded-allow-ips", "*"]