FROM node:20 AS base

# 设置淘宝 npm 镜像
RUN npm config set registry https://registry.npmmirror.com

# --- Dependencies ---
FROM base AS deps
WORKDIR /app
COPY package.json bun.lock ./
RUN npm install --registry=https://registry.npmmirror.com --fetch-timeout=120000 --fetch-retries=5

# --- Build ---
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

# --- Production ---
FROM base AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV PORT=8019
ENV HOSTNAME=0.0.0.0

RUN addgroup --system --gid 1001 nodejs && \
    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 8019

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