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DBZ-2541 Add docs about new CONNECT_LOG4J environment variables

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Jeremy Finzel 2020-09-29 08:45:15 -05:00 committed by Jiri Pechanec
parent 0040eca740
commit 7552840f27
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documentation/modules/ROOT/partials/modules/logging/proc-configuring-log-level-docker.adoc
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@ -11,6 +11,12 @@ When you start the container,
set this environment variable to one of the log levels (for example, `-e LOG_LEVEL=DEBUG`), set this environment variable to one of the log levels (for example, `-e LOG_LEVEL=DEBUG`),
and all of the code within the container will use that log level. and all of the code within the container will use that log level.
There is also an option to override other log4j properties. If you want to configure `log4j.rootLogger`
differently, then use the environment variable `CONNECT_LOG4J_LOGGERS`. For example to log only to stdout
(without `appender`), you can use `CONNECT_LOG4J_LOGGERS=INFO, stdout`. You can also set other supported
log4j environment variables with the CONNECT_LOG4J prefix, which will be mapped to properties in the `log4j.properties`
file by removing the `CONNECT_` prefix, lowercasing all characters, and converting all '_' characters to '.'.
If you need more control over the logging configuration, If you need more control over the logging configuration,
create a new container image that is based on ours, create a new container image that is based on ours,
except that in your `Dockerfile`, copy your own `log4j.properties` file into the image. except that in your `Dockerfile`, copy your own `log4j.properties` file into the image.