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Update Dockerfile

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Signed-off-by: khs1994 <khs1994@khs1994.com>
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khs1994
2018-11-02 08:26:50 +08:00
parent dfa885f4f0
commit 1b306447ef
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image/dockerfile/user.md
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@@ -1,6 +1,6 @@
### USER 指定当前用户
格式：`USER <用户名>`
格式：`USER <用户名>[:<用户组>]`
`USER` 指令和 `WORKDIR` 相似，都是改变环境状态并影响以后的层。`WORKDIR` 是改变工作目录，`USER` 则是改变之后层的执行 `RUN`, `CMD` 以及 `ENTRYPOINT` 这类命令的身份。