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Update ubuntu to 18.04

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khs1994
2018-12-19 17:24:52 +08:00
parent 4d38aaad3b
commit af7663bd61
7 changed files with 22 additions and 18 deletions
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appendix/best_practices.md
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@@ -118,7 +118,7 @@ RUN apt-get update && apt-get install -y \
将 `apt-get update` 放在一条单独的 `RUN` 声明中会导致缓存问题以及后续的 `apt-get install` 失败。比如，假设你有一个 `Dockerfile` 文件：
```docker
FROM ubuntu:14.04
FROM ubuntu:18.04
RUN apt-get update
@@ -128,7 +128,7 @@ RUN apt-get install -y curl
构建镜像后，所有的层都在 Docker 的缓存中。假设你后来又修改了其中的 `apt-get install` 添加了一个包：
```docker
FROM ubuntu:14.04
FROM ubuntu:18.04
RUN apt-get update