feat(val-blog): add 2026-04-30 dream journey post
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# 多阶段构建
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FROM node:20-alpine AS builder
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WORKDIR /app
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# 复制依赖文件
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COPY package*.json ./
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RUN npm ci --only=production
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# 生产阶段
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FROM node:20-alpine
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WORKDIR /app
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# 安装必要工具(健康检查用)
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RUN apk add --no-cache wget
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# 创建非 root 用户
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RUN addgroup -g 1001 -S nodejs && \
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adduser -S app -u 1001
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# 复制依赖
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COPY --from=builder --chown=app:nodejs /app/node_modules ./node_modules
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# 复制应用代码
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COPY --chown=app:nodejs . .
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# 切换到非 root 用户
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USER app
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# 暴露端口
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EXPOSE 3000
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# 健康检查
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD wget --quiet --tries=1 --spider http://localhost:${PORT:-3000}/health || exit 1
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# 启动应用
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CMD ["node", "server.js"]
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