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Baohua Yang
2026-02-21 10:47:37 -08:00
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07_dockerfile/7.6_env.md
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@@ -259,19 +259,3 @@ ENV VAR3=value3
```
---
### 本章小结
| 要点 | 说明 |
|------|------|
| **语法** | `ENV KEY=value` |
| **作用范围** | 构建时 + 运行时 |
| **覆盖方式** | `docker run -e KEY=value` |
| **与 ARG** | ARG 仅构建时，ENV 持久化到运行时 |
| **安全** | 不要存储敏感信息 |
### 延伸阅读
- [ARG 构建参数](7.7_arg.md)：构建时变量
- [Compose 环境变量](../10_compose/10.5_compose_file.md)：Compose 中的环境变量
- [最佳实践](../16_appendix/16.1_best_practices.md)：Dockerfile 编写指南