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@@ -82,6 +82,7 @@ RUN apt-get update && \
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**❌ 隐蔽的错误**:
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```docker
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## 如果下载失败,gzip 可能会报错,但如果不影响后续,构建可能继续
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RUN wget http://error-url | gzip -d > file
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@@ -135,6 +136,7 @@ RUN echo $MY_VAR
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BuildKit 支持在 `RUN` 指令中使用 `--mount` 挂载缓存,加速构建。
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```docker
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## 缓存 apt 包
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RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
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@@ -143,6 +145,7 @@ RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
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```
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```docker
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## 缓存 Go 模块
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RUN --mount=type=cache,target=/go/pkg/mod \
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