当我使用Alpine作为基本图像时，如何添加用户?

问题描述

我正在使用 alpine (或基于Alpine的映像)作为我的Dockerfile中的基础映像.创建用户需要添加哪些说明?

I'm using alpine (or an image that is based on Alpine) as the base image in my Dockerfile. Which instructions do I need to add to create a user?

最终，我将使用该用户来运行将放置到容器中的应用程序，以便root用户不会这样做.

Eventually I'll use this user to run the application I'll place into the container so that the root user does not.

推荐答案

Alpine使用命令 adduser 和 addgroup 创建用户和组(而不是 useradd和 usergroup ).

Alpine uses the command adduser and addgroup for creating users and groups (rather than useradd and usergroup).

FROM alpine:latest

# Create a group and user
RUN addgroup -S appgroup && adduser -S appuser -G appgroup

# Tell docker that all future commands should run as the appuser user
USER appuser

adduser 的标志为:

Usage: adduser [OPTIONS] USER [GROUP]

Create new user, or add USER to GROUP

        -h DIR          Home directory
        -g GECOS        GECOS field
        -s SHELL        Login shell
        -G GRP          Group
        -S              Create a system user
        -D              Don't assign a password
        -H              Don't create home directory
        -u UID          User id
        -k SKEL         Skeleton directory (/etc/skel)

添加新的用户官方文档

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