Tagged “kotlin”

2021

Equality Checks in Kotlin With Unstructured Data June
A short guide to equality checks in Kotlin when one of the objects contains arbitrary or unstructured data, and why the usual == can mislead you.

Building a Reactive Oauth Client App with SpringBoot and Kotlin Coroutines June
A walkthrough of building a reactive OAuth2 client with Spring Boot, Kotlin coroutines, and WebFlux — tying together social login and async data streams.
Right Way To Shadow Jar When Using Jetty With Http4k April
The correct way to build a fat jar with ShadowJar when using Jetty and Http4k — and why the naive approach silently breaks your app at runtime.

Brows3r - Pure Kotlin S3 Browser July
Brows3r is a small S3 browser built entirely in Kotlin, using Http4k for the server and a minimal web frontend — a weekend project that taught me a lot.
Simple Oembed Service Using Http4k March
Building a lightweight oEmbed service in Kotlin using Http4k — a functional, modular HTTP library that makes server code feel like pure functions.
Post Boot Actions Using Application Events January
How to run code after a Spring Boot application finishes starting up, using application events instead of fragile workarounds.

Last updated: 17 May 2026