Logging practices I follow

Whenever you write a log, it’s important you choose the correct log level.

I personally mostly use ERROR, WARNING, INFO, or DEBUG (yes there are a few more).

Log levels TLDR

• ERROR: Parts of the flow failed, we want to send alerts to our on-call for this failures.


• WARNING: Doesn’t necessarily point to a failure, but an unexpected behavior that should b

... See more

Each log message in the system should be unique.

If I query for a log in a specfic service, I will be confused to see the exact same logs at different flows inside the service.

More than that, I’ll just have to start debugging for the issue, since the logs are now offically useless.

One way to keep the logs unique is to denote the service name and fu... See more