API Contract-As-Code: Rapid Development with OAS3

API-first puts the API at the center of your product strategy. Contract-first puts API design quality at the top of the agenda. But when it's time to start coding, can we really use an OpenAPI spec? Aside from telling us what to build, and maybe generating a one-time scaffold, what can it do for us? In this session, we'll leverage the expressive power of OpenAPI 3.0 in a fast, iterative development lifecycle. We'll show how, with a few basic rules in place, we can drive API evolution from the OAS contract, all the way through to microservice implementation.