Logging helps to track events in our application and this tracking can be of great help while debugging
Following rules can help us do meaningful logging.
Contextual information must be present in logs. This includes timestamps, function name, filename, line numebr etc
Define accurate log levels. Log levels include
debug, trace, info, warn, error, fatalWrite meaningful logs that don’t require deep understanding of the application.
write logs in a format that’s easily parseable.
Log neither too much not too less but remember logs may be the only source of truth to figure out bugs while in production.