FROM node:20-alpine AS builder
WORKDIR /app

RUN npm install -g pnpm

COPY package.json pnpm-lock.yaml ./
RUN pnpm install --frozen-lockfile

COPY . .
RUN pnpm build

# ── Production runner ──
FROM node:20-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV PORT=7860
ENV HOSTNAME=0.0.0.0

COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public

EXPOSE 7860

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