# 知命阁（zhimingge）— Next.js standalone 生产镜像
FROM node:20-alpine AS base
RUN apk add --no-cache libc6-compat

FROM base AS deps
WORKDIR /app
COPY package.json package-lock.json .npmrc ./
RUN npm ci

FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
ENV NEXT_TELEMETRY_DISABLED=1
RUN npm run build

FROM base AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV PORT=3130
ENV HOSTNAME=0.0.0.0

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

# standalone 产物
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
# 卦辞 Markdown（运行时读取）
COPY --from=builder /app/content ./content

RUN mkdir -p public && chown -R nextjs:nodejs /app

USER nextjs
EXPOSE 3130

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