Yuri Mednikov

Tag: Microservices

Some thoughts on server side validation with Vertx and a bit of Vavr

Eclipse Vertx is a robust technology to build reactive microservices or serverless functions. When you develop such applications, the role of server side validation rises. In traditional web applications we combine both client-side…

Server side validation in Javalin

When you are working on any somehow complex application, you need to enable validation. For example, if user submits a form or a request, your app should check, that data is in an…

Home made JWT authentication for Javalin

An authentication with tokens became a must-have feature for modern web apps. It suits natively to single page applications and mobile applications. While Spring is de facto standard in Java ecosystem, there are…

Make use of Vertx-junit5

Eclipse Vertx is perfectly asynchronous framework, so testing its components require a bit more work, than with “old school” synchronous applications. The main actor here is verticle, that is defined as independent unit…

Simple email notification microservice using Vertx

Almost any more or less complex application has to deliver notifications. As usual, it is done via traditional emails, especially in cases of password reset messages or transactional notifications etc. There is a…