FROM node:20-alpine AS build-stage

WORKDIR /app
RUN corepack enable

COPY package.json pnpm-lock.yaml ./
RUN --mount=type=cache,id=pnpm-store,target=/root/.pnpm-store \
    pnpm install --frozen-lockfile

COPY . .
RUN pnpm build

FROM node:20-alpine AS production-stage
WORKDIR /srv/ipv6-test

ENV NODE_ENV production

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

COPY --from=build-stage /app/public ./public

COPY --from=build-stage --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=build-stage --chown=nextjs:nodejs /app/.next/static ./.next/static

RUN chown nextjs:nodejs .next

USER nextjs

EXPOSE 3000

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