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Fix space with bold markdown

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This commit is contained in:
Baohua Yang
2026-02-21 17:39:37 -08:00
parent 6aa7a51fef
commit 2ab40eacc0
64 changed files with 148 additions and 301 deletions
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10
07_dockerfile/7.4_cmd.md
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@@ -57,7 +57,7 @@ CMD echo $HOME
CMD ["sh", "-c", "echo $HOME"]
```
**优点**：可以使用环境变量、管道等 shell 特性**缺点**：主进程是 sh，信号无法正确传递给应用
**优点**：可以使用环境变量、管道等 shell 特性 **缺点**：主进程是 sh，信号无法正确传递给应用
---
@@ -109,7 +109,7 @@ $ docker run -it ubuntu # 进入 bash
$ docker run ubuntu cat /etc/os-release # 覆盖为 cat 命令
```
```
```bash
Dockerfile: docker run 命令:
CMD ["/bin/bash"] + cat /etc/os-release
│ │
@@ -138,7 +138,7 @@ CMD service nginx start
如下代码块所示，展示了相关示例：
```
```bash
1. CMD service nginx start
↓ 被转换为
2. CMD ["sh", "-c", "service nginx start"]
@@ -170,8 +170,8 @@ CMD ["nginx", "-g", "daemon off;"]
| 指令 | 用途 | 运行时行为 |
|------|------|-----------|
| **CMD**| 默认命令 | `docker run` 参数会**覆盖**它 |
| **ENTRYPOINT**| 入口点 | `docker run` 参数会**追加**到它后面 |
| **CMD**| 默认命令 | `docker run` 参数会 **覆盖** 它 |
| **ENTRYPOINT**| 入口点 | `docker run` 参数会 **追加** 到它后面 |
#### 单独使用 CMD