Dockerfile

FROM node:20-alpine AS base

# Install pnpm via corepack so the lockfile drives the build.
RUN corepack enable && corepack prepare pnpm@10.18.2 --activate

FROM base AS builder
WORKDIR /app

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

COPY . .
RUN pnpm build

FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV PORT=8080
ENV HOSTNAME=0.0.0.0

RUN addgroup --system --gid 1001 nodejs
RUN 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 8080

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