Here’s the solution to what most clients and developers struggle with Keycloak and Spring Boot — Why Keycloak adapter in Spring Boot isn’t necessary? How to correctly configure Keycloak with Spring Boot? What you should remove if you’re using an obsolete Keycloak adapter? I’ve seen a lot of relevant SO questions here and here. And people struggle to get this configuration right. So did I recently.

A story on how Upwork can bump your developer rank up — Open up Upwork. What are most offers like? “Looking for Java Spring boot expert, experience using IntelliJ with some knowledge of Auth0, dockers, mysql, angular, flutter, etc.” — $5-$10/h Or something like this: “I’m looking for an experienced Java developer who can implement microservices based on - Spring Cloud - Spring Cloud…

“Whoa there, Milos! Let’s not break prod with your code.” — You’d feel amazing if you could avoid pointless meetings, develop new stuff, and move faster. But, hold your horses. The manager doesn’t like your impulsive decisions. The team doesn’t like your solution. Client, well client wants things done. What can you do to counter your impulsive decisions? How to resist…

Inspired by the taylor. town's story on -10x engineers — Let’s dive right into what’s needed for you to become a -20x engineer. Or abuse this tutorial and become the opposite. Up to you. Just waste another 400 engineering hours. Double what Taylor proposes (400) and become a solid -20x engineer. Waste time on meetings. Meetings are there to incur…

Fast code reviews make your development experience better, so what can you do to speed up code reviews? — Faster code reviews are better for you, and the team. No developer likes lingering PRs. Every day you need to merge in the main, resolve conflicts, and dive into the thread of comments. Can’t we do better? We can and should. What are the benefits of faster code reviews? What…

Some Optional mistakes I still see in my project and how to prevent them on your end — Most Java developers abuse Optional to oblivion. Some don’t even know it exists. The gist of Optional — it’s not a silver bullet for null pointer exceptions. Let’s start with seven rules to follow for better Optional usage Never, ever, use null for an Optional variable or return value. Never…

Here are the lesser-known Enum tricks and improve your codebase — “Why are you putting Enum#values() inside a static variable?” — my coworker doesn’t know about the benefits of caching Enum#values results. There are a lot more unknown gotcha’s around enums. And that’s why you’re reading this. To learn more about enums, and how to use them properly. I didn’t know…

Why Lombok still holds its respected place amongst experienced Java developers — “Why are you using Lombok to generate getters and setters? I prefer to write them on my own.” — says my coworker and merges the boilerplate getters into the codebase. Why are developers against Lombok? What are the wrong beliefs they have about Lombok? And why do they prefer to…

5 issues I’ve discovered and resolved while working on the X509 certificate authentication — You can’t easily set up X509 certificate authentication with Keycloak. Why so? Lack of docs, or poor understanding of documentation. Custom setup, such as reverse proxy in front of Keycloak. And additional configuration you’ll need for the startup of Keycloak. Even when you do set up everything the browser doesn’t…