How to integrate WebAuthn in your project using spring security? We present a minimal sample that allows you to make use of WebAuthn with webauthn4j-spring-security. We build on the code of the webauthn4j project but have stripped away all things that are not necessarily required to get you running. WebAuthn…

Rust is a great language but is it a good fit for embedded development? This post will guide you through the set-up of the embedded toolchain and we will have a look at one surprising aspect of Rust in the embedded realm to start you off for your own projects. The Hardware …

As a side project, I set out to develop a game client for a popular MMORPG. Since there would be lots of mangling with bytes required, I chose to use Rust as a comparably low-level language. …

What is EaaS and does it even make sense? In this article we discuss some concepts found in EaaS offerings and explore where and under which circumstances they make sense. This article is split in two parts, the first one discusses some concepts of EaaS, whether they may make sense…

Spring Cloud Vault Config allows your Spring application to retrieve configuration data from Hashicorp Vault. In addition, you can let Vault manage your Database Accounts for your application. This is achieved with a secret backend called ‘database’, that allows Vault to create database accounts on the fly for each instance…

At Digital Frontiers we all have our favourite languages. The other day we were arguing about advantages and shortcomings of some specific ones and decided to have a closer look at them, using a Sudoku verifier as common example. …

Microservices don’t always have to speak HTTP. Another common approach is using asynchronous communication via events. A well known middleware, Apache Kafka, despite the fact being at home in the Java eco-system, provides adapters for many platforms. How well can a Rust application be integrated into a mostly foreign environment…

Should you write your next microservices in Rust? In this post you will learn how you can develop such an application with Rust and you will be able to answer the question, if you should. This is the first part of a series of articles on how you can create…

A hands-on walk-trough on how to create a REST-API with Rust, Rocket and Diesel — What and why If you are comfortable writing web-services in Java, why should you try writing a web-service in Rust? Microservices enable us to quickly scale our application according to consumer needs, requiring reasonable start-up times to achieve elasticity. When considering a serverless scenario, this aspect is even more important. But is it…