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Project Goals

kinesis4cats is intended to give Scala developers a rich ecosystem of tooling when developing Kinesis applications, leveraging the typelevel ecosystem.


Logs are an important part of maintaining business applications. To accomplish this, most developers leverage some means of structured logging, which effectively boils down to having a context of keys and values that are parseable by a log ingestor (e.g. datadog, splunk, etc.).

This library takes structured logging seriously, and offers it as a first class citizen. This library adheres to the following log-level definitions:

Each offering leverages LogEncoder instances to structure the logs that you see. There are Show instances available to use out-of-the-box, which attempts to create a toString-like representation of the structures. That can be useful for most people, but if you are looking to introduce more searchability, using a JSON offering can be very beneficial. There are Circe modules for these instances that users can leverage for this purpose.