Dockerfile

# ── Stage 1: Abhängigkeiten installieren ─────────────────────────────────────
FROM node:22-alpine AS deps

# Build-Tools für native Addons (better-sqlite3)
RUN apk add --no-cache python3 make g++

WORKDIR /app
COPY package*.json ./
RUN npm ci

# ── Stage 2: Next.js bauen ────────────────────────────────────────────────────
FROM node:22-alpine AS builder

WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

ENV NEXT_TELEMETRY_DISABLED=1

RUN npm run build

# ── Stage 3: Production-Image ─────────────────────────────────────────────────
FROM node:22-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV PORT=3000
ENV HOSTNAME=0.0.0.0
ENV DATABASE_PATH=/app/data/data.db

# Unprivilegierter Nutzer
RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nextjs

# Standalone-Output
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Statische Dateien (Favicons etc.)
COPY --from=builder --chown=nextjs:nodejs /app/public ./public

# Datenbankverzeichnis anlegen
RUN mkdir -p /app/data && chown nextjs:nodejs /app/data

USER nextjs

EXPOSE 3000

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