# Use Node 24 as the base image FROM node:24-trixie AS base ENV PNPM_HOME="/pnpm" ENV PATH="$PNPM_HOME:$PATH" RUN corepack enable # 1. Install dependencies only when needed FROM base AS deps WORKDIR /app COPY package.json pnpm-lock.yaml ./ RUN pnpm install --frozen-lockfile # 2. Rebuild the source code only when needed FROM base AS builder WORKDIR /app COPY --from=deps /app/node_modules ./node_modules COPY . . # Disable telemetry for build ENV NEXT_TELEMETRY_DISABLED=1 RUN pnpm run build # 3. Production image, copy all the files and run next FROM base AS runner WORKDIR /app ENV NODE_ENV=production ENV NEXT_TELEMETRY_DISABLED=1 RUN addgroup --system --gid 1001 nodejs RUN adduser --system --uid 1001 nextjs # Set the correct permission for prerender cache RUN mkdir .next RUN chown nextjs:nodejs .next # Automatically leverage output traces to reduce image size # https://nextjs.org/docs/advanced-features/output-file-tracing COPY --from=builder --chown=nextjs:nodejs /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 # set hostname to localhost ENV HOSTNAME="0.0.0.0" CMD ["node", "server.js"]