init

Dockerfile

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+# --- Stufe 1: Dependencies ---
+FROM node:22-alpine AS deps
+WORKDIR /app
+COPY package.json package-lock.json* ./
+RUN npm ci
+
+# --- Stufe 2: Build ---
+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
+
+# --- Stufe 3: Runtime (standalone) ---
+FROM node:22-alpine AS runner
+WORKDIR /app
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+RUN addgroup --system --gid 1001 nodejs \
+ && adduser --system --uid 1001 nextjs
+
+# Standalone-Output enthält nur das Nötigste
+COPY --from=builder /app/public ./public
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+USER nextjs
+EXPOSE 3000
+ENV PORT=3000 HOSTNAME=0.0.0.0
+CMD ["node", "server.js"]