# ── Build-Stage ────────────────────────────────────────────────────────────
FROM node:24-bookworm-slim AS build

WORKDIR /app

# Nur package*.json kopieren → besseres Layer-Caching
COPY package.json package-lock.json ./

# Native Module (better-sqlite3, serialport) kompilieren
RUN apt-get update && apt-get install -y --no-install-recommends \
        python3 make g++ \
    && npm ci --omit=dev \
    && apt-get purge -y python3 make g++ \
    && apt-get autoremove -y \
    && rm -rf /var/lib/apt/lists/*

# ── Runtime-Stage ───────────────────────────────────────────────────────────
FROM node:24-bookworm-slim

WORKDIR /app

# node_modules aus Build-Stage übernehmen
COPY --from=build /app/node_modules ./node_modules

# Anwendungscode kopieren
COPY davis.js db.js wetter.js .env ./

# Datenbankverzeichnis als Volume
VOLUME ["/data"]

# Kein Port – reine Backend-Anwendung

CMD ["node", "wetter.js"]