# Multi-stage build für die Next.js-App (standalone output)
FROM node:22-alpine AS base

# Dependencies (better-sqlite3 ist ein natives Modul -> Build-Tools nötig)
FROM base AS deps
RUN apk add --no-cache libc6-compat python3 make g++
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm install

# Build
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

ARG BUILD_DATE
ENV NEXT_PUBLIC_BUILD_DATE=${BUILD_DATE}
ENV NEXT_TELEMETRY_DISABLED=1

RUN npm run build

# Runner
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

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

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
ENV HOSTNAME="0.0.0.0"

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