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https://issues.apache.org/jira/browse/GUACAMOLE-659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16682938#comment-16682938
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Michael Jumper commented on GUACAMOLE-659:
------------------------------------------
If you want the Docker image to use a {{GUACAMOLE_HOME}} that comes from a
volume mount (is not entirely derived from environment variables), you need to
explicitly set {{GUACAMOLE_HOME}}. The Docker image has special handling for
this variable that copies things in place, applying your volume mount as a
template.
http://guacamole.apache.org/doc/gug/guacamole-docker.html#guacamole-docker-guacamole-home
See also: GUACAMOLE-281
> Docker Image does not allow default authentication
> --------------------------------------------------
>
> Key: GUACAMOLE-659
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-659
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole-client
> Affects Versions: 0.9.14
> Reporter: Tom Kent
> Priority: Major
>
> When starting a docker image, I mount a directory with a guacamole.properties
> and user-mapping.xml:
> {{docker run --name some-guac --link some-guacd:guacd -p 8080:8080 -v
> $PWD/settings:/etc/guacamole guacamole/guacamole}}
> However, when the instance starts up, it immediately fails because there is
> no mysql, postgres, or LDAP authentication.
> {{FATAL: No authentication configured}}
> {{-------------------------------------------------------------------------------}}
> {{The Guacamole Docker container needs at least one authentication mechanism
> in}}
> {{order to function, such as a MySQL database, PostgreSQL database, or LDAP}}
> {{directory. Please specify at least the MYSQL_DATABASE or POSTGRES_DATABASE}}
> {{environment variables, or check Guacamole's Docker documentation regarding}}
> {{configuring LDAP and/or custom extensions.}}
> Ideally, there would be a check in
> guacamole-client/guacamole-docker/bin/start.sh to see if user-mapping.xml
> exists in $GUACAMOLE_HOME and allow it to proceed.
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