FROM node:22-slim AS builder
WORKDIR /app
RUN apt-get update && apt-get install -y --no-install-recommends python3 make g++ \
  && rm -rf /var/lib/apt/lists/*
COPY package.json package-lock.json ./
RUN npm ci --no-audit --no-fund
COPY . .
RUN npm run build

FROM node:22-slim AS runner
WORKDIR /app
ENV NODE_ENV=production \
  DATA_DIR=/app/data \
  BACKUPS_DIR=/app/backups
RUN mkdir -p /app/data /app/backups && chown -R node:node /app
COPY --from=builder --chown=node:node /app/.next/standalone ./
COPY --from=builder --chown=node:node /app/.next/static ./.next/static
COPY --chown=node:node entrypoint.sh /app/entrypoint.sh
RUN chmod +x /app/entrypoint.sh
# Non-root: der Container startet direkt als node (UID:GID 1000:1000), kein root beim Start.
USER node
EXPOSE 3000
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s \
  CMD node -e "fetch('http://127.0.0.1:3000/api/health').then((r) => { if (!r.ok) process.exit(1); }).catch(() => process.exit(1))"
ENTRYPOINT ["/app/entrypoint.sh"]
CMD ["node", "server.js"]