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chore: remove unused historic image files
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@@ -76,11 +76,13 @@ $ docker port $(docker ps -q)
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### EXPOSE vs -p
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相关信息如下表:
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| 特性 | EXPOSE | -p |
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|------|--------|-----|
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| **位置** | Dockerfile | docker run 命令 |
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| **作用** | 声明/文档 | 实际端口映射 |
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| **是否必需** | 否 | 是(外部访问时) |
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| **是否必需** | 否 | 是 (外部访问时)|
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| **映射发生时** | 不发生 | 运行时发生 |
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```mermaid
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@@ -130,6 +132,7 @@ EXPOSE 80
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```
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EXPOSE 不会:
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- 自动进行端口映射
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- 让服务可从外部访问
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- 在容器启动时开启端口监听
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