What are the best practices for configuring a logger in Ruby?

What are the best practices for configuring a logger in Ruby?

When configuring a logger in Ruby, consider using the built-in Logger class. It's important to set the log level appropriately, use a consistent format, and ensure logs are written to a file for persistence.

How can I customize the log format?

You can customize the log format by using the Logger#formatter method. You can define your own formatter class or use a block to specify the format.

Is it a good idea to log sensitive information?

No, it's generally not a good idea to log sensitive information like passwords or personal data. Always sanitize logs to protect user privacy.

What log levels should I use?

Common log levels include DEBUG, INFO, WARN, ERROR, and FATAL. Use DEBUG for detailed information, INFO for general events, WARN for potential issues, ERROR for errors, and FATAL for critical failures.

Can I log to multiple destinations?

Yes, you can log to multiple destinations by using different loggers or by configuring a single logger to output to multiple streams, such as a file and STDOUT.