Software logging philosophy

Ideas:

• Always set up logging from the start of the application, even if there is nothing to log.
• Imagine in future there is an error reported in the front-end.
• To investigate, there could be more error information in the logs.
• And even if not, to investigate further, more debug info could be added to the log temporarily, even for a specific client.
• If that requires you to set up logging infrastructure, it's much less likely to be done at all
• So it's important to have a logging system in place for that reason.
• Distinguish types of logging (see other post):
• Event - this can include debug, info, warn, error. It is logged and that's it.
• Exception - unexpected error that requires action to resolve. A human should be notified.
• Request - every request made (higher/framework level)
• ...