# --- 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.
# publi[c] mit Glob: bricht nicht ab, falls der Ordner mal fehlt.
COPY --from=builder /app/publi[c] ./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"]