Docker image user

[michael böhm <ks...@gmx.net>]

Hi everyone,



is there any reason why the process runs as root in the official docker image?



root         1  1.7  1.7 12824940 579476 ?     Ssl  08:20   0:20
/usr/local/openjdk-8/bin/java
-Djava.util.logging.config.file=/usr/local/tomcat/conf/logging.properties
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager



Are there any plans to change that to something else (www-data or
"guacamole")?



Second question: Is there an example Dockerfile of how I could build my own
image based on your official image with all dependencies updated? It seems
that apt does not update java for example.



Thanks and best wishes



Michael

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Re: Docker image user

[Nick Couchman <vn...@apache.org>]

On Thu, May 6, 2021 at 2:50 AM michael böhm <ks...@gmx.net> wrote:

> Hi everyone,
>
> is there any reason why the process runs as root in the official docker
> image?
>
> root         1  1.7  1.7 12824940 579476 ?     Ssl  08:20   0:20
> /usr/local/openjdk-8/bin/java
> -Djava.util.logging.config.file=/usr/local/tomcat/conf/logging.properties
> -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
>

It's just how the Docker image was originally built. Docker isn't
necessarily the most straight-forward in terms of changing user accounts
for processes, so it has taken a bit of work to do this.


>
> Are there any plans to change that to something else (www-data or
> "guacamole")?
>
>

Yes, the change has already been merged into the git repo, so it should be
in the next release:

https://issues.apache.org/jira/browse/GUACAMOLE-890
https://github.com/apache/guacamole-client/pull/554


> Second question: Is there an example Dockerfile of how I could build my
> own image based on your official image with all dependencies updated? It
> seems that apt does not update java for example.
>
>

You can use the source code in the git repo - the Dockerfile is there:
https://github.com/apache/guacamole-client
https://github.com/apache/guacamole-client/blob/master/Dockerfile

-Nick