Question 1

How to set up Chaos with SBT in a Scala project?

Accepted Answer

Add the Mesosphere repository and chaos dependency to your build.sbt, including jersey-bundle as shown in the README. Run sbt to resolve dependencies and refer to the example app for a quick start.

Question 2

Chaos vs Dropwizard for building REST APIs in Scala?

Accepted Answer

Chaos is designed to be more Scala-friendly and lightweight, integrating similar libraries but with a focus on Scala ergonomics. Dropwizard is a full Java framework that can be cumbersome in Scala due to its Java-centric design.

Question 3

Is Chaos framework still actively maintained?

Accepted Answer

The last version listed is 0.5.2, and the project has limited recent activity on GitHub. For updates, check the repository or the Chaos Users Group, but consider it potentially stable but not rapidly evolving.

Question 4

How to add custom endpoints or health checks in Chaos?

Accepted Answer

Use Jersey annotations to define REST endpoints, and extend the built-in Guava lifecycle or metrics integration for custom health checks. The example app provides a baseline, but documentation on advanced customization is sparse.

Question 5

Can Chaos integrate with Akka or other Scala libraries?

Accepted Answer

Yes, you can integrate Chaos with Akka or other libraries, but it's not natively designed for such integrations, so you'll need to handle compatibility and lifecycle management yourself, which can add complexity.

Question 6

What are the performance benchmarks for Chaos?

Accepted Answer

Chaos builds on Jetty and Jersey, which are performant for REST services, but specific benchmarks aren't provided. Expect performance similar to other JVM-based frameworks, with overhead from the integrated libraries.

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