# ===== 构建阶段 =====
FROM node:22-bullseye AS builder
WORKDIR /app
COPY package*.json ./
RUN npm install --legacy-peer-deps
COPY . .
RUN npx next build
# ===== 运行阶段 =====
FROM node:22-bullseye AS runner
WORKDIR /app
ENV NODE_ENV=production
COPY --from=builder /app/package.json ./
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/.next ./.next
EXPOSE 3000
HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
  CMD wget -qO- http://localhost:3000 || exit 1
CMD ["npm", "start"]