# ---------- BUILD STAGE ----------
FROM node:20-alpine AS builder

WORKDIR /app

COPY package.json package-lock.json* ./
RUN npm install

COPY . .

RUN npm run build


# ---------- RUN STAGE ----------
FROM node:20-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production

# nur notwendige files kopieren (viel kleiner!)
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public

EXPOSE 3000

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