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add env "BIND_LOG_STDERR" to control log #113

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add env "BIND_LOG_STDERR" to control log #113

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5b817dc
add env "BIND_LOG_STDERR" to control log
WindoC Apr 22, 2021
95e886c
add BIND_LOG_STDERR information
WindoC Apr 22, 2021
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2 changes: 2 additions & 0 deletions README.md
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Expand Up @@ -75,6 +75,8 @@ When the container is started the [Webmin](http://www.webmin.com/) service is al

The launch of Webmin can be disabled by adding `--env WEBMIN_ENABLED=false` to the `docker run` command. Note that the `ROOT_PASSWORD` parameter has no effect when the launch of Webmin is disabled.

To allow bind log to file by adding `--env BIND_LOG_STDERR=false` to the `docker run` command. That make bind not force all log to STDERR by using -f instead of -g to start the named process.

Read the blog post [Deploying a DNS Server using Docker](http://www.damagehead.com/blog/2015/04/28/deploying-a-dns-server-using-docker/) for an example use case.

## Command-line arguments
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6 changes: 5 additions & 1 deletion entrypoint.sh
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Expand Up @@ -132,7 +132,11 @@ if [[ -z ${1} ]]; then
fi

echo "Starting named..."
exec "$(command -v named)" -u ${BIND_USER} -g ${EXTRA_ARGS}
if [ "${BIND_LOG_STDERR:-true}" == "true" ]; then
exec "$(command -v named)" -u ${BIND_USER} -g ${EXTRA_ARGS}
else
exec "$(command -v named)" -u ${BIND_USER} -f ${EXTRA_ARGS}
fi
else
exec "$@"
fi