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Logging is handled by the https://logback.qos.ch[Logback logging framework] and can be configured with the `grails-app/conf/logback-spring.xml` file. See the https://docs.spring.io/spring-boot/how-to/logging.html[Spring Boot Logging] and https://docs.spring.io/spring-boot/reference/features/logging.html#features.logging.logback-extensions[Logging Extensions] for all the available options.

The Grails Environments `development`, `test` and `production` can be used with <springProfile name="development"> to configure environment specific logging.  This was one of the features lost when logback removed groovy configuration.  

// To be re-included when a Grails {grailsMajorVersion} release of the plugin gets released
// See: virtualdogbert/logback-groovy-config#15
//
// NOTE: Since Grails 5.1.2 support for groovy configuration (`grails-app/conf/logback.groovy`) has been removed (by logback 1.2.9). It is possible to add back groovy configuration by adding the https://github.com/virtualdogbert/logback-groovy-config[logback-groovy-config] library to your project.

NOTE: The filename `logback.xml` still works but `logback-spring.xml` is now recommended

More information can be found in the official https://logback.qos.ch/documentation.html[Logback documentation].

