https://carlosbecker.com/posts/travis-to-buildkite/ - author had a lot of java projects and automated writing buildkite configs for it (which is interesting)

https://buildkite.com/docs/tutorials/elastic-ci-stack-aws I think this might be what we're targeting?

https://github.com/buildkite/cli run pipelines locally - alsohttps://buildkite.com/changelog/44-run-pipelines-locally-with-bk-cli