MicroProfile OpenAPI—Design First with Quarkus

19 Nov 2025 programming

In an earlier article on the OpenAPI design-first approach I compared openapi-generator and swagger-codegen. Now I’m revisiting the topic by adding the Quarkus OpenAPI Generator to the comparison.
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MicroProfile OpenAPI—Design First

27 Mar 2024 programming

You’re given the task of writing a microservice AND providing a documentation in OpenAPI format. You already know that there are two main approaches:

code-first : write the code, using OpenAPI annotations, and then generate the OpenAPI document
design-first : write the OpenAPI document (a.k.a. the openapi.yaml file) and then generate the code

This is the second article in a series and reviews the design-first approach, the code-first approach was the subject of the first article.

MicroProfile OpenAPI—Code First

01 Dec 2023 programming

You’re given the task of writing a microservice AND providing a documentation in OpenAPI format. You already know that there are two main approaches:

code-first : write the code, using OpenAPI annotations, and then generate the OpenAPI document
design-first : write the OpenAPI document (a.k.a. the openapi.yaml file) and then generate the code

This article reviews the code-first approach, the design-first approach will follow in a second article at a later time.