A complete guide to Quarkus in Kotlin — project setup, REST APIs with RESTEasy Reactive, dependency injection with CDI, the Panache ORM, configuration, Bean Validation, testing, GraalVM native images, and a comparison with Spring Boot and Ktor.
A complete guide to Ktor in Kotlin — its plugin architecture, nested routing, JSON serialization, JWT authentication, CORS, rate limiting, validation, the Ktor client for HTTP, WebSockets, testing with testApplication, deployment, and comparisons with other frameworks.
A complete guide to Vert.x in Kotlin — event loop and Verticle architecture, reactive HTTP servers, Routers and handlers, the event bus, coroutines with vertx-lang-kotlin, reactive PostgreSQL, WebSockets, unit testing, and when to choose Vert.x.