Merge pull request #1639 from danielsharvey/patch-1

docs(logger): Explain how to disable color

Author: kamilmysliwiec

content/techniques/logger.md

@@ -35,6 +35,8 @@ await app.listen(3000);
 
 Values in the array can be any combination of `'log'`, `'error'`, `'warn'`, `'debug'`, and `'verbose'`.
 
+> info **Hint** To disable color in the default logger's messages, set the `NO_COLOR` environment variable.
+
 #### Custom implementation
 
 You can provide a custom logger implementation to be used by Nest for system logging by setting the value of the `logger` property to an object that fulfills the `LoggerService` interface. For example, you can tell Nest to use the built-in global JavaScript `console` object (which implements the `LoggerService` interface), as follows: