A composable build system for reproducible test environments

The Ethereum Merge adds a large amount of complexity with roughly 20 possible client combinations. Kurtosis offers us the ability to spin up local testnets, allowing us to quickly cross-check compatibility as well as new features.

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We additionally use Kurtosis as an integration testing tool by running it in the CI to check if any client combination fails to work with another. The ability to define and assert tests makes it an ideal candidate for ensuring regressions do not occur.

Kurtosis allowed me to automate my manual E2E testing of Avalanche. At the time, spinning up a network and manually testing both basic and complex workflows was difficult and cost a large amount of time to ensure that I had confidence that all of my changes were correct and wouldn't cause any unexpected issues.

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By moving this into Kurtosis test suites, I was able to automate all of those tasks so that I could save myself countless engineering hours and ultimately have a much higher level of confidence that my changes were being thoroughly tested and held to the same high standard.

Kurtosis is a groundbreaking technology that has revolutionized the way I do local development. Having all the tools I could possibly need tightly packed into an easy to use docker container has been so helpful. I'm super happy with the way things have gone and am looking forward to see how the tool evolves.