Add Docker support (standalone Next.js output)

Multi-stage Dockerfile producing a minimal runtime image via
next.config.ts's output:"standalone". NEXT_PUBLIC_API_URL is taken as
a build arg since it gets baked into the client bundle at build time.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
2026-09-16 00:01:26 +03:30
parent 93f6ea2f07
commit 501fa294f4
3 changed files with 44 additions and 1 deletions
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node_modules
.next
.git
.env
.env.local
!.env.local.example
npm-debug.log*
uploads
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# ---- وابستگی‌ها ----
FROM node:22-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
# ---- build ----
FROM node:22-alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
# NEXT_PUBLIC_* موقع build توی باندل کلاینت جاسازی می‌شه، پس باید همینجا
# به‌عنوان build arg پاس داده بشه (نه فقط env زمان اجرا)
ARG NEXT_PUBLIC_API_URL=http://localhost:8080/api/v1
ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL
RUN npm run build
# ---- اجرا (ایمیج نهایی سبک، فقط خروجی standalone) ----
FROM node:22-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
RUN addgroup -S nodejs && adduser -S nextjs -G nodejs
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 3000
ENV PORT=3000
CMD ["node", "server.js"]
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import type { NextConfig } from "next";
const nextConfig: NextConfig = {
/* config options here */
// برای build خروجی مستقل (بدون نیاز به node_modules کامل) — لازم برای ایمیج Docker سبک
output: "standalone",
};
export default nextConfig;