# Build stage — produces `.next/standalone` (see next.config.ts output: standalone) FROM node:18-alpine AS builder WORKDIR /app COPY package*.json ./ RUN npm ci COPY . . ARG NEXT_PUBLIC_API_URL ARG NEXT_PUBLIC_APP_URL ARG NEXT_PUBLIC_APP_NAME ENV NEXT_TELEMETRY_DISABLED=1 ENV NODE_ENV=production ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL} ENV NEXT_PUBLIC_APP_URL=${NEXT_PUBLIC_APP_URL} ENV NEXT_PUBLIC_APP_NAME=${NEXT_PUBLIC_APP_NAME} RUN npm run build # Production — minimal runtime using Next.js standalone bundle FROM node:18-alpine AS runner RUN apk add --no-cache dumb-init WORKDIR /app RUN addgroup -g 1001 -S nodejs && \ adduser -S dyolink -u 1001 ENV NODE_ENV=production ENV PORT=3000 ENV HOSTNAME=0.0.0.0 COPY --from=builder /app/public ./public COPY --from=builder --chown=dyolink:nodejs /app/.next/standalone ./ COPY --from=builder --chown=dyolink:nodejs /app/.next/static ./.next/static COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh RUN chmod +x /usr/local/bin/docker-entrypoint.sh USER dyolink EXPOSE 3000 HEALTHCHECK --interval=30s --timeout=5s --start-period=40s --retries=3 \ CMD node -e "require('http').get('http://127.0.0.1:3000/', (r) => {if(r.statusCode!==200)process.exit(1)})" ENTRYPOINT ["dumb-init", "--", "docker-entrypoint.sh"] CMD ["node", "server.js"]