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Baohua Yang
2026-02-21 10:47:37 -08:00
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07_dockerfile/7.12_healthcheck.md
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@@ -195,19 +195,3 @@ HEALTHCHECK --start-period=60s CMD curl -f http://localhost/ || exit 1
健康检查应主要关注**当前服务**是否可用，而不是检查其下游依赖（数据库等）。下游依赖的检查应由应用逻辑处理。
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### 本章小结
| 要点 | 说明 |
|------|------|
| **作用** | 检测容器应用是否真实可用 |
| **命令** | `HEALTHCHECK [选项] CMD command` |
| **状态** | starting, healthy, unhealthy |
| **Compose** | 支持 `condition: service_healthy` 依赖 |
| **注意** | 避免副作用，节省资源 |
### 延伸阅读
- [CMD 容器启动命令](7.4_cmd.md)：启动主进程
- [Compose 模板文件](../10_compose/10.5_compose_file.md)：Compose 中的健康检查
- [Docker 调试](../16_appendix/16.2_debug.md)：容器排障