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gremo
Asked: 2022-08-25 05:15:31 +0800 CST

Shell alias file not working after copying it into container, works after source command?

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I'm copying aliases.sh into an alpine-based container:

FROM php:8.1-fpm-alpine AS php

COPY .docker/aliases.sh /etc/profile.d/

CMD ["php-fpm"]

When I log into the shell, my aliases won't work. If I run:

source /etc/profile

The suddenly start working. Maybe I need to add source command into my Dockerfile but.. it doesn't make sense to me.

docker

0 Answers

  1. Unix shells usually only load files like /etc/profile when they are started as a login shell. Ash, which is the default shell on Alpine, also does that.

    From the ash manual:

    A login shell first reads commands from the files /etc/profile and .profile if they exist.

    Starting the shell with -l should start it as a login shell and it should read /etc/profile.

    ash -l
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  2. ENV ENV="/etc/profile" is how I solved. Added it to the Dockerfile. Now despite how I log in into the container (using Docker Desktop, VS Code docker extension, etc.) I'm able to use the aliases provided by aliases.sh.

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